Need to merge two PDFs? Compress a 50MB file down to email-friendly size? Convert a PDF to Word? You don't need to pay for Adobe Acrobat. We tested 20+ free online PDF tools and found the ones that actually work — no signup, no watermarks, no hidden fees.
All tools below are browser-based, work on any device, and don't require installation.
URL: ilovepdf.com/merge_pdf
iLovePDF is the most reliable free PDF merger we tested. Drag and drop up to 25 files, reorder them visually, and merge in seconds. No file size limit for reasonable use.
Pros: No signup, no watermark, intuitive drag-and-drop, mobile-friendly
Cons: Ads on the page, 25-file limit per merge
URL: smallpdf.com/merge-pdf
Smallpdf offers a polished interface and reliable merging. Free tier allows 2 tasks per day without signup.
Pros: Beautiful UI, fast processing, Google Drive/Dropbox integration
Cons: 2 tasks/day free limit, some features behind paywall
URL: pdf24.org/en/merge-pdf
PDF24 is completely free with no limits. It's a German project that's been around since 2006 and offers a full suite of PDF tools.
Pros: 100% free, no limits, no ads on tool pages, open source desktop version available
Cons: Interface is less polished than competitors
URL: ilovepdf.com/compress_pdf
iLovePDF offers three compression levels: Extreme (smallest file, lower quality), Recommended (balanced), and Less compression (highest quality). We tested a 45MB scanned document — Extreme brought it to 3.2MB with readable text.
Pros: Three quality levels, no signup, consistent results
Cons: Extreme compression can reduce image quality significantly
URL: smallpdf.com/compress-pdf
Smallpdf uses smart compression that targets images and fonts without affecting text readability. Free users get basic compression; strong compression requires Pro.
Pros: Smart algorithm, preserves text quality, easy to use
Cons: Strong compression is paid-only, 2 tasks/day limit
URL: ilovepdf.com/pdf_to_word
Converts PDFs to editable Word documents with good formatting preservation. Free tier works for most documents. OCR (for scanned PDFs) is available with a free account.
Pros: Good formatting, OCR available, no watermark
Cons: OCR requires free account signup
How: Upload PDF to Google Drive → Right-click → Open with → Google Docs
Google's built-in conversion is surprisingly good for text-heavy PDFs. It's free with a Google account and handles OCR automatically for scanned documents.
Pros: Completely free, built-in OCR, no extra tools needed
Cons: Formatting can break on complex layouts, requires Google account
URL: ilovepdf.com/pdf_to_jpg
Extract pages as high-quality JPG or PNG images. Choose between extracting single images from the PDF or converting entire pages to images.
Pros: Two extraction modes, quality slider, no signup
Cons: None significant
URL: pdfescape.com
PDFescape is a full-featured free PDF editor that runs in your browser. Add text, images, links, form fields, and annotations. Free for PDFs under 10MB and 100 pages.
Pros: True editing (not just annotations), form filling, no watermark
Cons: 10MB/100 page limit, ads, dated interface
URL: smallpdf.com/edit-pdf
Add text, images, shapes, and signatures to PDFs. The free version works for annotation-style editing but doesn't allow editing existing text.
Pros: Modern interface, e-signature support, easy to use
Cons: Can't edit existing text, 2 tasks/day limit
URL: ilovepdf.com/split_pdf
Split by page ranges, extract specific pages, or split every page into a separate file. Visual page selection makes it easy to pick exactly what you need.
Pros: Visual page selection, multiple split modes, no signup
Cons: None significant
URL: pdf24.org/en/split-pdf
Simple, fast, and completely free with no limits. Great for batch splitting large documents.
Pros: No limits, no ads, completely free
Cons: Basic interface
| Tool | Free Limit | Watermark | Best For |
|---|---|---|---|
| iLovePDF | Reasonable use | None | Everyday tasks, most reliable |
| PDF24 | Unlimited | None | Power users, no limits |
| Smallpdf | 2 tasks/day | None | Best UI, occasional use |
| Sejda | 3 tasks/hour | None | Advanced editing |
| PDF Candy | Unlimited | None | 47 tools in one |
When uploading PDFs online, consider the sensitivity of your documents:
| Task | Best Free Tool | URL |
|---|---|---|
| Merge PDFs | iLovePDF | ilovepdf.com/merge_pdf |
| Compress PDF | iLovePDF | ilovepdf.com/compress_pdf |
| PDF to Word | Google Drive / iLovePDF | drive.google.com |
| PDF to JPG | iLovePDF | ilovepdf.com/pdf_to_jpg |
| Edit PDF text | PDFescape | pdfescape.com |
| Split PDF | iLovePDF | ilovepdf.com/split_pdf |
| Add signature | Smallpdf | smallpdf.com/sign-pdf |
| Unlock PDF | iLovePDF | ilovepdf.com/unlock_pdf |
| Rotate PDF | iLovePDF | ilovepdf.com/rotate_pdf |
| Add page numbers | iLovePDF | ilovepdf.com/add-page-numbers |
Reputable tools like iLovePDF, Smallpdf, and PDF24 delete your files within 1-2 hours and use SSL encryption. However, for highly sensitive documents, use offline tools.
Yes. PDFescape, iLovePDF, and PDF24 all offer free tools without watermarks. Avoid tools that add watermarks to free outputs.
Some compression is always lossy for images, but tools like iLovePDF let you choose "Less compression" to preserve quality while still reducing file size.
PDF24 Creator (Windows) is completely free and offline. For Mac, Preview (built-in) handles most basic tasks. LibreOffice Draw is a good free cross-platform option.
If you only bookmark one free PDF tool, make it iLovePDF. It handles merging, compressing, converting, splitting, rotating, and more — all for free, no signup, no watermarks. It's the most reliable and versatile option we tested.
For unlimited use without ads, PDF24 is the best choice. For the most polished interface, Smallpdf wins (with a 2-task/day free limit).
All three are better than paying for Adobe Acrobat for occasional use. Save your money.