10 Free PDF Tools Every Developer Should Bookmark in 2026

PDF work shows up in dev life more often than we'd like to admit — exporting docs, compressing build artifacts, merging client deliverables, or converting a spec sheet someone sent as a scanned PDF into something you can actually search. Paid suites like Adobe Acrobat are overkill for most of these one-off tasks. Here are 10 free, no-signup tools that get the job done, ranked roughly by how often you'll reach for them. 1. ToolTiny — PDF to Word/Excel/PowerPoint ToolTiny converts PDFs into editable DOCX, XLSX, or PPTX files directly in the browser, alongside the usual merge/split/compress/watermark/password toolkit. No account, no watermark on output. What's actually useful for dev workflows: it handles presentation-style PDFs (think exported slide decks or design-heavy one-pagers) reasonably well — most converters flatten these into a single unreadable text blob, but ToolTiny keeps the layout intact while still giving you editable text. Good for the "client sent a PDF, I need it as a Word doc by EOD" scenario. 2. Smallpdf The OG in this space. Smallpdf's PDF-to-Word conversion is excellent at preserving layout — it renders the page as a background image and overlays editable text boxes at the correct coordinates, which is why it handles complex layouts better than most. Free tier caps you at 2 tasks/day though. 3. iLovePDF Similar feature set to Smallpdf, slightly more generous free tier. Their "Organize PDF" drag-and-drop page reordering is one of the smoother UX implementations out there if you need to quickly reshuffle a multi-doc PDF before sending it out. 4. PDF24 A German tool that's been around forever and quietly does everything — OCR, forms, signing, comparison. Less polished UI than the others but the OCR accuracy on scanned technical docs is genuinely strong. 5. Stirling-PDF If you want something self-hosted, Stirling-PDF is the open-source answer. It's a Docker container you spin up yourself, giving you a full PDF toolkit (split, merge, compress, OCR, wa