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100% free foreverNo sign-upNo watermarks
Every PDF tool
you'll ever need
Merge, split, compress, convert, protect — 11 free PDF tools that run entirely in your browser. Nothing to install. Nothing uploaded. Nothing to pay.
Since 2024
Why folks keep coming back
“Upload, click, download. That’s the whole workflow — and it never asks for my email.”
Trusted by students, freelancers & small teams
All the tools
Pick a tool, get it done
All tools run right inside your browser — fast, private, and free forever.
- Popular
Merge PDF
Combine multiple PDFs into one document.
Open tool Split PDF
Extract pages or split into ranges.
Open tool- Smart
Compress PDF
Reduce file size without quality loss.
Open tool PDF to Word
Convert PDF to editable .docx format.
Open toolWord to PDF
Turn .doc/.docx files into PDF.
Open toolJPG to PDF
Convert images into a PDF document.
Open toolPDF to JPG
Convert PDF pages to images.
Open toolRotate PDF
Fix upside-down or sideways pages.
Open tool- New
Add Watermark
Stamp text onto every PDF page.
Open tool Lock PDF
Password-protect your PDF file.
Open toolUnlock PDF
Remove password from a PDF.
Open tool
- 11
Free tools
0 - 100%
Free forever
1 - 0
Sign-ups needed
2 - 0
Watermarks added
3
Three easy steps
Done in no time
- 01
Pick a tool
Choose from 11 free PDF tools — merge, convert, compress, and more.
- 02
Upload your file
Drag and drop or browse. Supports PDF, DOCX, JPG, and PNG up to 100 MB.
- 03
Download instantly
Your file is ready in seconds. Originals are deleted automatically.
Why ModifyPDF
Built for privacy and speed
100% Private & Secure
All files are processed in your browser. We never upload, store, or read your documents.
Lightning Fast
No queues, no waiting. Get results in seconds powered by modern browser technology.
Works Everywhere
Fully responsive on desktop, tablet, and mobile. No app or installation required.
About ModifyPDF
Professional PDF tools, without the price tag.
ModifyPDF gives you professional-grade PDF tools without the cost. Merge, split, compress, convert, rotate, watermark, lock or unlock — all from your browser with zero sign-up.
Designed for students, professionals, and businesses who need fast, reliable PDF processing without subscriptions or watermarks.
Explore all toolsFAQ
Questions? Answered.
Is ModifyPDF completely free?
Yes. All PDF tools are free to use with no hidden fees, no sign-up, and no watermarks.
Are my files safe?
Files are processed in your browser and deleted immediately. We never store, read, or share your documents.
Do I need to install anything?
No. ModifyPDF works entirely in your browser on desktop, tablet, and mobile devices.
What formats are supported?
ModifyPDF supports PDF, DOC, DOCX, JPG, and PNG formats across all available tools.
Can I merge and compress a PDF on the same website?
Yes. Merge multiple PDFs, then use the Compress PDF tool to reduce the file size before sharing.
Will my PDF get a watermark?
No. ModifyPDF never adds watermarks. You can add your own only when you explicitly choose the Add Watermark tool.
Can I use these tools for work and school documents?
Absolutely. ModifyPDF works great for assignments, invoices, contracts, scanned pages, certificates, and more.
Free foreverNo sign-up
Ready when you are.
No account. No software. No watermarks. Pick a tool and your file is done in seconds.