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Top 23 JavaScript PDF Projects
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koodo-reader
A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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Repository and benchmarks: https://github.com/alam00000/bentopdf-hyper-compress
Kura is a PDF standards, conversion and preflight engine.
It supports:
- All 11 PDF/A conformance levels: PDF/A-1a, PDF/A-1b, PDF/A-2a, PDF/A-2b, PDF/A-2u, PDF/A-3a, PDF/A-3b, PDF/A-3u, PDF/A-4, PDF/A-4e and PDF/A-4f
- Accessibility: PDF/UA-1 and PDF/UA-2
- Print production: PDF/X-1a, PDF/X-3, PDF/X-4, PDF/X-4p, PDF/X-5g, PDF/X-5n and PDF/X-5pg
- Engineering and variable data printing: PDF/E-1 and PDF/VT
- E-invoices: Factur-X, ZUGFeRD, XRechnung and Order-X
- 396 bundled print-preflight profiles
It has been tested against several standards suites, including the veraPDF corpus, Isartor, BFO, Ghent Output Suite 5.0, the PDF/UA Reference Suite and Cal Poly's PDF/VT suite.
Across 30,677 PDF conversions it had zero crashes and zero timeouts, with a 0.05 second median conversion time.
Like Hyper, it ships as a CLI, C library, npm package, Docker image and WebAssembly build.
Live Website: https://kura.bentopdf.com/
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pdf-bot
🤖 A Node queue API for generating PDFs using headless Chrome. Comes with a CLI, S3 storage and webhooks for notifying subscribers about generated PDFs
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Booktype
Booktype is a free, open source platform that produces beautiful, engaging books formatted for print, Amazon, iBooks and almost any ereader within minutes.
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pdfjs
A Portable Document Format (PDF) generation library targeting both the server- and client-side.
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An interactive compound-interest explainer, based on The Compound Effect book https://github.com/alexadam/compound-effect
Added more widgets to Printable Mockups https://github.com/alexadam/printable-mockups & https://www.printablemockups.com/
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Project mention: Add bookmarks / table of contents to PDFs in browser | news.ycombinator.com | 2026-02-16
Tocify is a free online web app adding PDF bookmarks. You drag in a PDF, select the ToC pages or paste raw text, and it uses AI to generate a structured bookmark tree. Access it here: https://tocify.aeriszhu.com/
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chai
chai - Experience Zero Trust security with Chai! Convert and view documents as vivid images right in your browser. No mandatory downloads, no hassle—just pure, joyful security! 🌈 (by DO-SAY-GO)
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Project mention: Show HN: Bento – Live Collab PowerPoints in One HTML (Viewer+editor+data+CRDT) | news.ycombinator.com | 2026-07-22
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript PDF discussion
JavaScript PDF related posts
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Merging PDFs in the browser without uploading anything: what I learned building a free tool for Argentine paperwork
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I Built a PDF Toolkit That Runs 100% in the Browser — No Server, No Uploads
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Show HN: Free, In-Browser PDF Editor
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Add bookmarks / table of contents to PDFs in browser
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BentoPDF is a privacy first PDF Tool
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TypeScript PDF Libraries (Free & Paid Tools Comparison) for Developers
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React PDF Libraries: Free & Paid Tools Comparison (Developer Guide)
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A note from our sponsor - SaaSHub
www.saashub.com | 6 Oct 2026
Index
What are some of the best open-source PDF projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | koodo-reader | 28,388 |
| 2 | bentopdf | 15,818 |
| 3 | Parsr | 6,173 |
| 4 | percollate | 4,667 |
| 5 | zotero-reference | 2,821 |
| 6 | pdf-bot | 2,637 |
| 7 | decktape | 2,431 |
| 8 | OpenComic | 1,995 |
| 9 | md2pdf | 1,840 |
| 10 | universal-resume | 1,799 |
| 11 | obsidian-annotator | 1,759 |
| 12 | documind | 1,520 |
| 13 | Buka | 1,119 |
| 14 | Booktype | 961 |
| 15 | pdfjs | 817 |
| 16 | printable-mockups | 537 |
| 17 | asciidoctor-web-pdf | 493 |
| 18 | tocify | 481 |
| 19 | chai | 365 |
| 20 | starter-book | 345 |
| 21 | pdf-annotate.js | 295 |
| 22 | Polyglot-HTML-ZIP-PNG | 259 |
| 23 | chrome-headless-render-pdf | 232 |
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AppSignal knows why the f*#k it crashed.
Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
www.appsignal.com