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Merge

Free Online PDF Tools

Merge, split, compress, convert & rotate — no sign-up, no watermarks, no software needed.

Merge PDF

Popular

Combine multiple PDFs into one document.

Add Watermark

New

Stamp text onto your PDF pages.

Split PDF

Extract or split by page ranges.

Compress PDF

Smart

Reduce file size, keep quality.

PDF to Word

Convert PDF to editable .docx.

Word to PDF

Convert .doc/.docx to PDF.

JPG to PDF

Convert images into a PDF.

PDF to JPG

Convert pages to JPG/PNG.

Rotate PDF

Rotate pages or fix scans.

Lock PDF

Protect your PDF with a password.

Unlock PDF

Remove password security from PDF.

Why Choose ModifyPDF?

100% Private

Files deleted immediately after processing. We never store or read your documents.

Lightning Fast

Get instant results with our optimized processing engine — no waiting around.

Works on Any Device

Fully responsive — works perfectly on desktop, tablet, and mobile browsers.

Frequently Asked Questions

Is ModifyPDF completely free?
Yes! All our PDF tools are 100% free to use. There are no hidden fees, no sign-up required, and no watermarks added to your files.
Are my files safe and private?
Absolutely. All files are processed securely using HTTPS encryption and deleted immediately after processing. We never store, read, or share your documents with anyone.
Do I need to install any software?
No. ModifyPDF works entirely in your browser. There is nothing to download or install — it works on desktop, tablet, and mobile devices.
What file formats are supported?
We support PDF, DOCX, DOC, JPG, and PNG formats. You can convert between these formats, merge PDFs, compress files, add watermarks, and much more.
Is there a file size limit?
For most tools, you can upload files up to 100MB. Larger files may take slightly longer to process depending on your internet connection.
Can I use ModifyPDF on my phone?
Yes! ModifyPDF is fully responsive and works perfectly on all modern mobile browsers including Chrome, Safari, and Firefox on both Android and iOS.

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About ModifyPDF

ModifyPDF is a free, browser-based PDF toolkit designed for students, professionals, and everyone in between. Whether you need to merge multiple PDFs, compress large files for email, convert documents between formats, or add watermarks for security — we have got you covered.

All files are processed securely and deleted immediately after use. No sign-up, no software installation, no watermarks — just fast, reliable PDF tools that work on any device.

Get started for free Learn more about us

How It Works

1

Choose a Tool

Pick from our collection of free PDF tools — merge, split, compress, convert, and more.

2

Upload Your File

Drag and drop your PDF, Word, or image files. We support PDF, DOCX, JPG, and PNG formats.

3

Download Result

Your processed file is ready instantly. Download it and your original files are deleted automatically.

Trusted by Thousands of Users

Simple, fast, and secure PDF tools — used by students, professionals, and businesses across India and worldwide.

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PDF Tools
100%
Free Forever
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Ready to Modify Your PDFs?

No sign-up, no watermarks, no limits. Start using our free PDF tools right now.

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