Is "Substack PDF Downloader: Export Substack to PDF, Markdown, JSON, Text" on Chrome Web Store Safe to Install?
Substack PDF Downloader is a productivity focused Chrome extension that lets you save any Substack post as a high-fidelity PDF/MarkDown/JSON/Text with a single click. Perfect for offline reading, research, and long-term archiving. Stop relying on screenshots or unreliable third-party tools. This extension converts articles into clean, beautifully formatted PDFs while preserving layout, images, and links. 🚀 Key Features 📥 One-Click PDF Download Instantly convert the current Substack post into a professionally formatted PDF directly from the page. Other formats include Markdown, JSON, and Text. 📚 Batch Download from Archives (Premium) Download multiple posts from a publication’s archive automatically — ideal for long-form reading or backups. Includes smart "Fast-Forward" technology to instantly skip excluded dates. ☁️ Cloud Sync & Backup (Premium) Automatically upload every downloaded PDF/MarkDown/JSON/Text to your Google Drive, Dropbox, or Yandex Disk. Keep your library safe and accessible from anywhere. 🎨 High-Fidelity Rendering Preserves typography, images, links, and spacing for a true reading experience. 🌙 Smart Light & Dark Mode + Premium Themes Automatically matches your browser’s color scheme. Premium users unlock exclusive themes: OLED (True Black), Cyberpunk, Forest, and Violet. 📂 Custom File Naming Choose how files are named — by title, date, or publication structure. 🧠 Download History & Smart Caching View past downloads and optionally skip posts you’ve already saved. 🔐 Paid Content Support Downloads posts you already have access to using your existing login session. 🌍 Global Support Fully localized in 61 languages with native translations, ensuring a seamless experience for users worldwide. 🧭 How It Works - Open any Substack article - Click the floating Download PDF/MarkDown/JSON/Text button - The post is rendered and saved as a high-quality PDF/MarkDown/JSON/Text automatically 🔒 Privacy & Security - No tracking or analytics - No content scraping beyond the current page - All downloads respect your existing access rights 💡 Ideal For - Newsletter readers and researchers - Writers and editors - Students and academics - Anyone who wants offline access to long-form content 📦 Free & Premium Plans - Free: 10 downloads per day - Weekly Flexible: 150 downloads per day - Monthly Pro: 250 downloads per day + Batch Download + Cloud Sync - Yearly Ultimate: 500 downloads per day + 3 Months Free - Subscriptions can be managed or canceled anytime
Risk Assessment
Analyzed566 security findings detected across all analyzers
Chrome extension requesting 12 permissions
Severity Breakdown
Finding Categories
YARA Rules Matched
9 rules(244 hits)Requested Permissions
12 permissionsAccess your identity and sign-in tokens
Manage, modify, and monitor downloads
About This Extension
Detailed Findings
278 totalYARA Rule Matches
9 rulesIndicators of Compromise
Network indicators, suspicious strings, and potential IoCs extracted during analysis
All Indicators · 285
detected Domain: bh.uz XIOC detected Domain: bh.uz
extracted_from_files
detected IP: c:: XIOC detected IP: c::
extracted_from_files
detected IP: e:: XIOC detected IP: e::
extracted_from_files
detected IP: a:: XIOC detected IP: a::
extracted_from_files
detected IP: 9:: XIOC detected IP: 9::
extracted_from_files
detected IP: 3:: XIOC detected IP: 3::
extracted_from_files
detected IP: 7:: XIOC detected IP: 7::
extracted_from_files
detected IP: ::9 XIOC detected IP: ::9
extracted_from_files
detected IP: ::ae XIOC detected IP: ::ae
extracted_from_files
detected IP: 5:: XIOC detected IP: 5::
extracted_from_files
detected IP: f:: XIOC detected IP: f::
extracted_from_files
detected IP: 8:: XIOC detected IP: 8::
extracted_from_files
detected IP: ::b XIOC detected IP: ::b
extracted_from_files
detected Domain: 5.in XIOC detected Domain: 5.in
extracted_from_files
detected Domain: va.truepic.com XIOC detected Domain: va.truepic.com
extracted_from_files
detected Domain: c2pa.hash.data XIOC detected Domain: c2pa.hash.data
extracted_from_files
detected Domain: cv.iptc.org XIOC detected Domain: cv.iptc.org
extracted_from_files
detected IP: d::bef XIOC detected IP: d::bef
extracted_from_files
detected IP: 4:: XIOC detected IP: 4::
extracted_from_files
detected IP: ::f XIOC detected IP: ::f
extracted_from_files
detected Domain: d.bm XIOC detected Domain: d.bm
extracted_from_files
detected Domain: n.mt XIOC detected Domain: n.mt
extracted_from_files
detected Domain: յw.ml XIOC detected Domain: յw.ml
extracted_from_files
detected Domain: c.eg XIOC detected Domain: c.eg
extracted_from_files
detected Domain: hy.kp XIOC detected Domain: hy.kp
extracted_from_files
detected Domain: 5.it XIOC detected Domain: 5.it
extracted_from_files
detected Domain: 9.mh XIOC detected Domain: 9.mh
extracted_from_files
detected Domain: p.gh XIOC detected Domain: p.gh
extracted_from_files
detected Domain: jρn.nf XIOC detected Domain: jρn.nf
extracted_from_files
detected Domain: a.gd XIOC detected Domain: a.gd
extracted_from_files
detected Domain: s.vi XIOC detected Domain: s.vi
extracted_from_files
detected Domain: l.mr XIOC detected Domain: l.mr
extracted_from_files
detected Domain: ӏv.sx XIOC detected Domain: ӏv.sx
extracted_from_files
detected Domain: a.by XIOC detected Domain: a.by
extracted_from_files
detected Domain: re.us XIOC detected Domain: re.us
extracted_from_files
detected Domain: y.aq XIOC detected Domain: y.aq
extracted_from_files
detected Domain: l.ki XIOC detected Domain: l.ki
extracted_from_files
detected Domain: 1e.is XIOC detected Domain: 1e.is
extracted_from_files
detected Domain: đi.bj XIOC detected Domain: đi.bj
extracted_from_files
detected Domain: 3.ms XIOC detected Domain: 3.ms
extracted_from_files
detected Domain: kӊ.fm XIOC detected Domain: kӊ.fm
extracted_from_files
detected Domain: ߪ6.pe XIOC detected Domain: ߪ6.pe
extracted_from_files
detected Domain: v.lv XIOC detected Domain: v.lv
extracted_from_files
detected Domain: ώ.et XIOC detected Domain: ώ.et
extracted_from_files
detected Domain: n.er XIOC detected Domain: n.er
extracted_from_files
detected Domain: q.ck XIOC detected Domain: q.ck
extracted_from_files
detected Domain: m.tc XIOC detected Domain: m.tc
extracted_from_files
detected Domain: y.gn XIOC detected Domain: y.gn
extracted_from_files
detected Domain: s.ca XIOC detected Domain: s.ca
extracted_from_files
detected Domain: j.mn XIOC detected Domain: j.mn
extracted_from_files
detected Domain: q4.sx XIOC detected Domain: q4.sx
extracted_from_files
detected Domain: 3.ph XIOC detected Domain: 3.ph
extracted_from_files
detected Domain: b.ml XIOC detected Domain: b.ml
extracted_from_files
detected Domain: h.kp XIOC detected Domain: h.kp
extracted_from_files
detected Domain: h.pf XIOC detected Domain: h.pf
extracted_from_files
detected Domain: u.gr XIOC detected Domain: u.gr
extracted_from_files
detected Domain: m.kh XIOC detected Domain: m.kh
extracted_from_files
detected Domain: j.kg XIOC detected Domain: j.kg
extracted_from_files
detected Domain: ڡ.rs XIOC detected Domain: ڡ.rs
extracted_from_files
detected Domain: b.ne XIOC detected Domain: b.ne
extracted_from_files
detected Domain: w.eu XIOC detected Domain: w.eu
extracted_from_files
detected Domain: w.sg XIOC detected Domain: w.sg
extracted_from_files
detected Domain: 3wc.mz XIOC detected Domain: 3wc.mz
extracted_from_files
detected Domain: o.cl XIOC detected Domain: o.cl
extracted_from_files
detected Domain: vԛq.mr XIOC detected Domain: vԛq.mr
extracted_from_files
detected Domain: n.th XIOC detected Domain: n.th
extracted_from_files
detected Domain: f.bt XIOC detected Domain: f.bt
extracted_from_files
detected Domain: vqy.bio XIOC detected Domain: vqy.bio
extracted_from_files
detected Domain: 札uad.sz XIOC detected Domain: 札uad.sz
extracted_from_files
detected Domain: ff.se XIOC detected Domain: ff.se
extracted_from_files
detected Domain: c.nz XIOC detected Domain: c.nz
extracted_from_files
detected Domain: j.su XIOC detected Domain: j.su
extracted_from_files
detected Domain: q.mk XIOC detected Domain: q.mk
extracted_from_files
detected Domain: lc.eu XIOC detected Domain: lc.eu
extracted_from_files
detected IP: ::4 XIOC detected IP: ::4
extracted_from_files
detected Domain: u.bj XIOC detected Domain: u.bj
extracted_from_files
detected Domain: chromewebstore.google.com XIOC detected Domain: chromewebstore.google.com
extracted_from_files
detected Domain: cdn.buymeacoffee.com XIOC detected Domain: cdn.buymeacoffee.com
extracted_from_files
detected Domain: www.buymeacoffee.com XIOC detected Domain: www.buymeacoffee.com
extracted_from_files
detected Domain: data.post XIOC detected Domain: data.post
extracted_from_files
detected Domain: chrome.downloads.download XIOC detected Domain: chrome.downloads.download
extracted_from_files
detected Domain: message.tab XIOC detected Domain: message.tab
extracted_from_files
detected Domain: keys.cloud XIOC detected Domain: keys.cloud
extracted_from_files
detected Domain: date.now XIOC detected Domain: date.now
extracted_from_files
detected Domain: container.id XIOC detected Domain: container.id
extracted_from_files
detected Domain: www.substack.com XIOC detected Domain: www.substack.com
extracted_from_files
detected Domain: article.post XIOC detected Domain: article.post
extracted_from_files
detected Domain: chrome.storage XIOC detected Domain: chrome.storage
extracted_from_files
detected Domain: substack-pdf-backend-sf6mtvli3a-pv.a.run.app XIOC detected Domain: substack-pdf-backend-sf6mtvli3a-pv.a.run.app
extracted_from_files
detected Domain: chrome.runtime.id XIOC detected Domain: chrome.runtime.id
extracted_from_files
detected Domain: n.id XIOC detected Domain: n.id
extracted_from_files
detected Domain: result.date XIOC detected Domain: result.date
extracted_from_files
detected Domain: hidestyle.id XIOC detected Domain: hidestyle.id
extracted_from_files
detected Domain: note.date XIOC detected Domain: note.date
extracted_from_files
detected Domain: p.post XIOC detected Domain: p.post
extracted_from_files
detected Domain: u.search XIOC detected Domain: u.search
extracted_from_files
detected Domain: anchors.map XIOC detected Domain: anchors.map
extracted_from_files
detected Domain: obj.id XIOC detected Domain: obj.id
extracted_from_files
detected Domain: a.video XIOC detected Domain: a.video
extracted_from_files
detected Domain: a.link XIOC detected Domain: a.link
extracted_from_files
detected Domain: a.post XIOC detected Domain: a.post
extracted_from_files
detected Domain: htmlstr.search XIOC detected Domain: htmlstr.search
extracted_from_files
detected Domain: dom.date XIOC detected Domain: dom.date
extracted_from_files
detected Domain: note.id XIOC detected Domain: note.id
extracted_from_files
detected Domain: c.name XIOC detected Domain: c.name
extracted_from_files
detected Domain: c.author XIOC detected Domain: c.author
extracted_from_files
detected Domain: c.date XIOC detected Domain: c.date
extracted_from_files
detected Domain: obj.name XIOC detected Domain: obj.name
extracted_from_files
detected Domain: obj.author XIOC detected Domain: obj.author
extracted_from_files
detected Domain: obj.post XIOC detected Domain: obj.post
extracted_from_files
detected Domain: obj.date XIOC detected Domain: obj.date
extracted_from_files
detected Domain: note.author XIOC detected Domain: note.author
extracted_from_files
detected Domain: item.author XIOC detected Domain: item.author
extracted_from_files
detected Domain: c.id XIOC detected Domain: c.id
extracted_from_files
detected Domain: apidata.name XIOC detected Domain: apidata.name
extracted_from_files
detected Domain: apidata.author XIOC detected Domain: apidata.author
extracted_from_files
detected Domain: apidata.date XIOC detected Domain: apidata.date
extracted_from_files
detected Domain: c.photo XIOC detected Domain: c.photo
extracted_from_files
detected Domain: bmclink.target XIOC detected Domain: bmclink.target
extracted_from_files
detected Domain: text.style XIOC detected Domain: text.style
extracted_from_files
detected Domain: closebtn.style XIOC detected Domain: closebtn.style
extracted_from_files
detected Domain: container.style XIOC detected Domain: container.style
extracted_from_files
detected Domain: link.style XIOC detected Domain: link.style
extracted_from_files
detected Domain: tp.date XIOC detected Domain: tp.date
extracted_from_files
detected Domain: p.date XIOC detected Domain: p.date
extracted_from_files
detected Domain: btntext.style XIOC detected Domain: btntext.style
extracted_from_files
detected Domain: chromeicon.style XIOC detected Domain: chromeicon.style
extracted_from_files
detected Domain: cwslink.style XIOC detected Domain: cwslink.style
extracted_from_files
detected Domain: cwslink.target XIOC detected Domain: cwslink.target
extracted_from_files
detected Domain: cwstext.style XIOC detected Domain: cwstext.style
extracted_from_files
detected Domain: bmcimg.style XIOC detected Domain: bmcimg.style
extracted_from_files
detected Domain: bmclink.style XIOC detected Domain: bmclink.style
extracted_from_files
detected Domain: w.mu XIOC detected Domain: w.mu
extracted_from_files
detected Domain: spdf-batch-fab.is XIOC detected Domain: spdf-batch-fab.is
extracted_from_files
detected Domain: ns.adobe.com XIOC detected Domain: ns.adobe.com
extracted_from_files
detected Domain: footer.id XIOC detected Domain: footer.id
extracted_from_files
detected Domain: style.id XIOC detected Domain: style.id
extracted_from_files
detected Domain: div.id XIOC detected Domain: div.id
extracted_from_files
detected Domain: yw.tc XIOC detected Domain: yw.tc
extracted_from_files
detected Domain: l.uy XIOC detected Domain: l.uy
extracted_from_files
detected Domain: 4.by XIOC detected Domain: 4.by
extracted_from_files
detected Domain: s.kw XIOC detected Domain: s.kw
extracted_from_files
detected Domain: o.kz XIOC detected Domain: o.kz
extracted_from_files
detected Domain: node.id XIOC detected Domain: node.id
extracted_from_files
detected Domain: ռ.wf XIOC detected Domain: ռ.wf
extracted_from_files
detected Domain: r.gb XIOC detected Domain: r.gb
extracted_from_files
detected Domain: iptc.org XIOC detected Domain: iptc.org
extracted_from_files
detected Domain: n.rs XIOC detected Domain: n.rs
extracted_from_files
detected Domain: b.tl XIOC detected Domain: b.tl
extracted_from_files
detected Domain: jm.ec XIOC detected Domain: jm.ec
extracted_from_files
detected Domain: c.lr XIOC detected Domain: c.lr
extracted_from_files
detected Domain: r.ie XIOC detected Domain: r.ie
extracted_from_files
detected Domain: o.it XIOC detected Domain: o.it
extracted_from_files
detected Domain: z.gh XIOC detected Domain: z.gh
extracted_from_files
detected Domain: 6.cn XIOC detected Domain: 6.cn
extracted_from_files
detected Domain: мv.li XIOC detected Domain: мv.li
extracted_from_files
detected Domain: l.sk XIOC detected Domain: l.sk
extracted_from_files
detected Domain: 2.to XIOC detected Domain: 2.to
extracted_from_files
detected Domain: d.am XIOC detected Domain: d.am
extracted_from_files
detected Domain: h.mc XIOC detected Domain: h.mc
extracted_from_files
detected Domain: g.eg XIOC detected Domain: g.eg
extracted_from_files
detected Domain: w.my XIOC detected Domain: w.my
extracted_from_files
detected Domain: c.hm XIOC detected Domain: c.hm
extracted_from_files
detected Domain: e.py XIOC detected Domain: e.py
extracted_from_files
detected Domain: uqw.hn XIOC detected Domain: uqw.hn
extracted_from_files
detected Domain: q.gu XIOC detected Domain: q.gu
extracted_from_files
detected Domain: browser-polyfill.js.map XIOC detected Domain: browser-polyfill.js.map
extracted_from_files
detected Domain: wrapper.call XIOC detected Domain: wrapper.call
extracted_from_files
detected Domain: globalthis.browser.runtime.id XIOC detected Domain: globalthis.browser.runtime.id
extracted_from_files
detected Domain: globalthis.chrome.runtime.id XIOC detected Domain: globalthis.chrome.runtime.id
extracted_from_files
detected Domain: globalthis.chrome XIOC detected Domain: globalthis.chrome
extracted_from_files
detected Domain: k.bi XIOC detected Domain: k.bi
extracted_from_files
detected Domain: 4r.re XIOC detected Domain: 4r.re
extracted_from_files
detected Domain: 124411133147-osuf2dlej8rkf6gg1om38l0ai47phgkk.apps.googleusercontent.com XIOC detected Domain: 124411133147-osuf2dlej8rkf6gg1om38l0ai47phgkk.apps.googleusercontent.com
extracted_from_files
detected Domain: archiver.ai XIOC detected Domain: archiver.ai
extracted_from_files
detected Domain: oauth.yandex.ru XIOC detected Domain: oauth.yandex.ru
extracted_from_files
detected Domain: oauth.yandex.com XIOC detected Domain: oauth.yandex.com
extracted_from_files
detected Domain: cloud-api.yandex.net XIOC detected Domain: cloud-api.yandex.net
extracted_from_files
detected Domain: api.dropboxapi.com XIOC detected Domain: api.dropboxapi.com
extracted_from_files
detected Domain: content.dropboxapi.com XIOC detected Domain: content.dropboxapi.com
extracted_from_files
detected Domain: chrome.downloads.show XIOC detected Domain: chrome.downloads.show
extracted_from_files
detected Domain: window.open XIOC detected Domain: window.open
extracted_from_files
detected Domain: chrome.downloads.open XIOC detected Domain: chrome.downloads.open
extracted_from_files
detected Domain: www.neocortexai.in XIOC detected Domain: www.neocortexai.in
extracted_from_files
detected Domain: toast-notification.show XIOC detected Domain: toast-notification.show
extracted_from_files
detected Domain: li.limited XIOC detected Domain: li.limited
extracted_from_files
detected Domain: autosave-indicator.show XIOC detected Domain: autosave-indicator.show
extracted_from_files
detected Domain: importfileinput.click XIOC detected Domain: importfileinput.click
extracted_from_files
detected Domain: window.location.search XIOC detected Domain: window.location.search
extracted_from_files
detected Domain: userdata.email XIOC detected Domain: userdata.email
extracted_from_files
detected Domain: payload.email XIOC detected Domain: payload.email
extracted_from_files
detected Domain: 124411133147-aq51t60t8h31ph7r9l2c0vcpnhf94rk5.apps.googleusercontent.com XIOC detected Domain: 124411133147-aq51t60t8h31ph7r9l2c0vcpnhf94rk5.apps.googleusercontent.com
extracted_from_files
detected Domain: tab.dataset.tab XIOC detected Domain: tab.dataset.tab
extracted_from_files
detected Domain: dataset.tab XIOC detected Domain: dataset.tab
extracted_from_files
detected Domain: pageitems.map XIOC detected Domain: pageitems.map
extracted_from_files
detected Domain: el.id XIOC detected Domain: el.id
extracted_from_files
detected Domain: event.target.id XIOC detected Domain: event.target.id
extracted_from_files
detected Domain: event.target XIOC detected Domain: event.target
extracted_from_files
detected Domain: btn.dataset.id XIOC detected Domain: btn.dataset.id
extracted_from_files
detected Domain: item.id XIOC detected Domain: item.id
extracted_from_files
detected Domain: cb.dataset.id XIOC detected Domain: cb.dataset.id
extracted_from_files
detected Domain: formats.map XIOC detected Domain: formats.map
extracted_from_files
detected Domain: f.id XIOC detected Domain: f.id
extracted_from_files
detected Domain: toast.show XIOC detected Domain: toast.show
extracted_from_files
detected Domain: link.click XIOC detected Domain: link.click
extracted_from_files
detected Domain: link.download XIOC detected Domain: link.download
extracted_from_files
detected Domain: btn.dataset.page XIOC detected Domain: btn.dataset.page
extracted_from_files
detected Domain: iconinfo.bg XIOC detected Domain: iconinfo.bg
extracted_from_files
detected Domain: keys.yandex XIOC detected Domain: keys.yandex
extracted_from_files
detected Domain: data.id XIOC detected Domain: data.id
extracted_from_files
detected Domain: result.id XIOC detected Domain: result.id
extracted_from_files
detected Domain: result.name XIOC detected Domain: result.name
extracted_from_files
detected Domain: nmdgbflelkmbjonflhecblchpglckegk.chromiumapp.org XIOC detected Domain: nmdgbflelkmbjonflhecblchpglckegk.chromiumapp.org
extracted_from_files
detected Domain: www.dropbox.com XIOC detected Domain: www.dropbox.com
extracted_from_files
detected Domain: billing.stripe.com XIOC detected Domain: billing.stripe.com
extracted_from_files
detected IP: 43:: XIOC detected IP: 43::
extracted_from_files
detected Domain: spdf-download-all-btn.is XIOC detected Domain: spdf-download-all-btn.is
extracted_from_files
detected Domain: spdf-download-all-btn.pro XIOC detected Domain: spdf-download-all-btn.pro
extracted_from_files
detected Domain: disk.info XIOC detected Domain: disk.info
extracted_from_files
detected Domain: disk.read XIOC detected Domain: disk.read
extracted_from_files
detected URL: https://$ XIOC detected URL: https://$
extracted_from_files
detected URL: https://substack-pdf-backend-sf6mtvli3a-pv.a.run.app'); XIOC detected URL: https://substack-pdf-backend-sf6mtvli3a-pv.a.run.app');
extracted_from_files
detected URL: https://substack.com/api/v1/posts/by-id/$ XIOC detected URL: https://substack.com/api/v1/posts/by-id/$
extracted_from_files
detected URL: http://va.truepic.com/ejbca/publicweb/status/ocsp0 XIOC detected URL: http://va.truepic.com/ejbca/publicweb/status/ocsp0
extracted_from_files
detected Domain: root.storage XIOC detected Domain: root.storage
extracted_from_files
detected Domain: buy.stripe.com XIOC detected Domain: buy.stripe.com
extracted_from_files
detected URL: https://substack.com/note/c-$ XIOC detected URL: https://substack.com/note/c-$
extracted_from_files
detected URL: https://substack.com/@$ XIOC detected URL: https://substack.com/@$
extracted_from_files
detected URL: https://substack.com/api/v1/reader/feed/profile/$ XIOC detected URL: https://substack.com/api/v1/reader/feed/profile/$
extracted_from_files
detected URL: https://substack.com/api/v1/comment/$ XIOC detected URL: https://substack.com/api/v1/comment/$
extracted_from_files
detected URL: https://substack.com/p/$ XIOC detected URL: https://substack.com/p/$
extracted_from_files
detected URL: https://github.com/mozilla/webextension-polyfill/issues/130 XIOC detected URL: https://github.com/mozilla/webextension-polyfill/issues/130
extracted_from_files
detected URL: http://mozilla.org/MPL/2.0/. XIOC detected URL: http://mozilla.org/MPL/2.0/.
extracted_from_files
detected URL: http://iptc.org/std/Iptc4xmpExt/2008-02-29/ XIOC detected URL: http://iptc.org/std/Iptc4xmpExt/2008-02-29/
extracted_from_files
detected URL: https://chromewebstore.google.com/publisher/neo-cortex-llc/u796c2dce8d71eb1062cca209ec50db80'; XIOC detected URL: https://chromewebstore.google.com/publisher/neo-cortex-llc/u796c2dce8d71eb1062cca209ec50db80';
extracted_from_files
detected URL: https://cdn.buymeacoffee.com/buttons/v2/default-violet.png'; XIOC detected URL: https://cdn.buymeacoffee.com/buttons/v2/default-violet.png';
extracted_from_files
detected URL: https://www.buymeacoffee.com/neocortex'; XIOC detected URL: https://www.buymeacoffee.com/neocortex';
extracted_from_files
detected URL: https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap'); XIOC detected URL: https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');
extracted_from_files
detected URL: https://api.dropboxapi.com/* XIOC detected URL: https://api.dropboxapi.com/*
extracted_from_files
detected URL: https://content.dropboxapi.com/* XIOC detected URL: https://content.dropboxapi.com/*
extracted_from_files
detected URL: https://www.googleapis.com/* XIOC detected URL: https://www.googleapis.com/*
extracted_from_files
detected URL: https://substack-pdf-backend-sf6mtvli3a-pv.a.run.app/* XIOC detected URL: https://substack-pdf-backend-sf6mtvli3a-pv.a.run.app/*
extracted_from_files
detected URL: https://*.substack.com/* XIOC detected URL: https://*.substack.com/*
extracted_from_files
detected URL: https://www.googleapis.com/auth/drive.file XIOC detected URL: https://www.googleapis.com/auth/drive.file
extracted_from_files
detected URL: https://clients2.google.com/service/update2/crx XIOC detected URL: https://clients2.google.com/service/update2/crx
extracted_from_files
detected URL: https://chromewebstore.google.com/detail/substack-pdf-downloader-e/nmdgbflelkmbjonflhecblchpglckegk/reviews'; XIOC detected URL: https://chromewebstore.google.com/detail/substack-pdf-downloader-e/nmdgbflelkmbjonflhecblchpglckegk/reviews';
extracted_from_files
detected URL: https://www.neocortexai.in/#extensions'; XIOC detected URL: https://www.neocortexai.in/#extensions';
extracted_from_files
detected URL: https://chromewebstore.google.com/detail/substack-pdf-downloader-e/nmdgbflelkmbjonflhecblchpglckegk/reviews XIOC detected URL: https://chromewebstore.google.com/detail/substack-pdf-downloader-e/nmdgbflelkmbjonflhecblchpglckegk/reviews
extracted_from_files
detected URL: https://chromewebstore.google.com/publisher/neo-cortex-llc/u796c2dce8d71eb1062cca209ec50db80 XIOC detected URL: https://chromewebstore.google.com/publisher/neo-cortex-llc/u796c2dce8d71eb1062cca209ec50db80
extracted_from_files
detected URL: https://oauth.yandex.ru/* XIOC detected URL: https://oauth.yandex.ru/*
extracted_from_files
detected URL: https://oauth.yandex.com/* XIOC detected URL: https://oauth.yandex.com/*
extracted_from_files
detected URL: https://cloud-api.yandex.net/* XIOC detected URL: https://cloud-api.yandex.net/*
extracted_from_files
detected URL: https://accounts.google.com/o/oauth2/v2/auth?client_id=$ XIOC detected URL: https://accounts.google.com/o/oauth2/v2/auth?client_id=$
extracted_from_files
detected URL: https://www.neocortexai.in/#extensions' XIOC detected URL: https://www.neocortexai.in/#extensions'
extracted_from_files
detected URL: https://substack-pdf-backend-sf6mtvli3a-pv.a.run.app'; XIOC detected URL: https://substack-pdf-backend-sf6mtvli3a-pv.a.run.app';
extracted_from_files
detected URL: https://www.buymeacoffee.com/neocortex XIOC detected URL: https://www.buymeacoffee.com/neocortex
extracted_from_files
detected URL: https://cdn.buymeacoffee.com/buttons/v2/default-violet.png XIOC detected URL: https://cdn.buymeacoffee.com/buttons/v2/default-violet.png
extracted_from_files
detected URL: https://www.googleapis.com/oauth2/v2/userinfo', XIOC detected URL: https://www.googleapis.com/oauth2/v2/userinfo',
extracted_from_files
detected URL: https://content.dropboxapi.com/2/files/upload_session/finish', XIOC detected URL: https://content.dropboxapi.com/2/files/upload_session/finish',
extracted_from_files
detected URL: https://content.dropboxapi.com/2/files/upload_session/start', XIOC detected URL: https://content.dropboxapi.com/2/files/upload_session/start',
extracted_from_files
detected URL: https://content.dropboxapi.com/2/files/upload', XIOC detected URL: https://content.dropboxapi.com/2/files/upload',
extracted_from_files
detected URL: https://www.dropbox.com/oauth2/authorize?client_id=$ XIOC detected URL: https://www.dropbox.com/oauth2/authorize?client_id=$
extracted_from_files
detected URL: https://www.googleapis.com/drive/v3/files', XIOC detected URL: https://www.googleapis.com/drive/v3/files',
extracted_from_files
detected URL: https://www.googleapis.com/drive/v3/files?q=$ XIOC detected URL: https://www.googleapis.com/drive/v3/files?q=$
extracted_from_files
detected URL: https://www.googleapis.com/upload/drive/v3/files?uploadType=multipart', XIOC detected URL: https://www.googleapis.com/upload/drive/v3/files?uploadType=multipart',
extracted_from_files
detected URL: https://billing.stripe.com/p/login/6oUeVd7ga58t6Zr1g97Zu00'; XIOC detected URL: https://billing.stripe.com/p/login/6oUeVd7ga58t6Zr1g97Zu00';
extracted_from_files
detected URL: https://oauth.yandex.com']; XIOC detected URL: https://oauth.yandex.com'];
extracted_from_files
detected URL: https://oauth.yandex.ru', XIOC detected URL: https://oauth.yandex.ru',
extracted_from_files
detected URL: https://nmdgbflelkmbjonflhecblchpglckegk.chromiumapp.org/', XIOC detected URL: https://nmdgbflelkmbjonflhecblchpglckegk.chromiumapp.org/',
extracted_from_files
detected URL: https://cloud-api.yandex.net/v1/disk/resources/upload?path=$ XIOC detected URL: https://cloud-api.yandex.net/v1/disk/resources/upload?path=$
extracted_from_files
detected URL: https://cloud-api.yandex.net/v1/disk/resources?path=$ XIOC detected URL: https://cloud-api.yandex.net/v1/disk/resources?path=$
extracted_from_files
detected URL: https://content.dropboxapi.com/2/files/upload_session/append_v2', XIOC detected URL: https://content.dropboxapi.com/2/files/upload_session/append_v2',
extracted_from_files
detected MD5 Hash: a5b0895203ec4ab4b9a189f4a70de667 XIOC detected MD5 Hash: a5b0895203ec4ab4b9a189f4a70de667
extracted_from_files
detected MD5 Hash: 8985427993aa4f638bf1a4f151a3d7ad XIOC detected MD5 Hash: 8985427993aa4f638bf1a4f151a3d7ad
extracted_from_files
detected MD5 Hash: 7994691d2bec449ba002f46d8b37ab49 XIOC detected MD5 Hash: 7994691d2bec449ba002f46d8b37ab49
extracted_from_files
detected MD5 Hash: 7c48277541494409a2d5dee230ce0001 XIOC detected MD5 Hash: 7c48277541494409a2d5dee230ce0001
extracted_from_files
detected URL: https://buymeacoffee.com/neocortex'; XIOC detected URL: https://buymeacoffee.com/neocortex';
extracted_from_files
detected URL: https://buy.stripe.com/dRmbJ12ZUbwRgA16At7Zu0M'; XIOC detected URL: https://buy.stripe.com/dRmbJ12ZUbwRgA16At7Zu0M';
extracted_from_files
detected URL: https://buy.stripe.com/bJefZhbwq8kF97z2kd7Zu0L'; XIOC detected URL: https://buy.stripe.com/bJefZhbwq8kF97z2kd7Zu0L';
extracted_from_files
detected IP: ::8 XIOC detected IP: ::8
extracted_from_files
detected Domain: activetab.id XIOC detected Domain: activetab.id
extracted_from_files
detected Domain: k.nz XIOC detected Domain: k.nz
extracted_from_files
detected Domain: n.sm XIOC detected Domain: n.sm
extracted_from_files
detected Domain: spdf-toast.show XIOC detected Domain: spdf-toast.show
extracted_from_files
Security Analysis Summary
Security Analysis Overview
Substack PDF Downloader: Export Substack to PDF, Markdown, JSON, Text is a Chrome Web Store extension published by [email protected]. Version 1.2.7 has been analyzed by the Risky Plugins security platform, receiving a risk score of 100/100 (CRITICAL risk) based on 566 security findings.
Risk Assessment
This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.
Findings Breakdown
- Critical: 2 finding(s)
- High: 4 finding(s)
- Medium: 316 finding(s)
- Low: 244 finding(s)
What Was Analyzed
The security assessment covers multiple analysis categories:
- Malware Detection: YARA rule matching against 2,400+ malware signatures
- Secret Detection: Scanning for exposed API keys, tokens, and credentials
- Static Analysis: Code-level security analysis for common vulnerability patterns
- Network Analysis: Detection of suspicious network communications and endpoints
- Obfuscation Detection: Identification of code obfuscation techniques
Developer Information
Substack PDF Downloader: Export Substack to PDF, Markdown, JSON, Text is published by [email protected] on the Chrome Web Store marketplace. The extension has approximately 969 users.
Recommendation
This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.
Source Code Not Available
Source code is not available for this version of the extension.
Frequently Asked Questions
Similar Extensions
Related extensions from the same publisher or marketplace
Grok to PDF: Export Grok Chats to PDF, Markdown, JSON
[email protected]
Substack Downloader – Video, Audio & Podcast MP4/MP3
[email protected]
Twitter/X Manager – Likes, Retweets & Cleanup
[email protected]
Substack Archive Search - Offline Post Indexer
[email protected]
Twitter Screenshot – Capture Tweets from X
[email protected]
Tweet Copier - Copy Twitter / X Threads
[email protected]