How to merge multiple PDFs into one?

Use our "Merge PDFs" tool: select your files, drag to reorder, and click Process. Everything is done in your browser — no files are uploaded to any server.

How to compress a PDF without losing quality?

Our compression tool automatically reduces PDF file size while maintaining visual quality. Simply upload your file and download the result.

How to unlock a password-protected PDF?

Upload the protected PDF to our "Unlock PDF" tool. If the file only has copy/print restrictions, removal is automatic. For open passwords, you'll need to enter the password.

Is it safe to use online PDF tools?

Yes! At Unlocked PDF, all files are processed locally in your browser using WebAssembly. No files are ever sent to our servers.

Can I convert images to PDF for free?

Yes, our "Image to PDF" tool converts JPG, PNG, and WebP into multi-page PDF documents, completely free.

Free Online PDF Tools — Fast, Secure & No Limits

Merge, split, compress, protect and convert your PDFs right in your browser. No server uploads — 100% private.

Security

Lock PDF

Add password protection and encrypt your PDF files.

Security

Unlock PDF

Remove passwords and printing or copying restrictions from PDF files.

Security

Watermark PDF

Add a text or image watermark to protect your documents.

Security

Watermark Image

Add logos or text stamps to your JPG/PNG images.

Security

Edit Metadata

Edit file information such as Author, Title, Subject, and Keywords.

Organize & Optimize

Merge PDFs

Combine multiple PDF files and images into a single organized document.

Organize & Optimize

Split PDF

Extract specific pages or split a large PDF file into several smaller ones.

Organize & Optimize

Organize PDF

Reorganize, rotate, or delete pages from your PDF with ease.

Organize & Optimize

Rotate PDF

Rotate your PDF pages to the correct orientation (portrait or landscape).

Organize & Optimize

Remove Pages

Delete unwanted pages from your PDF document quickly.

Organize & Optimize

Compress PDF

Drastically reduce PDF file size while maintaining visual quality.

Organize & Optimize

OCR (Text)

Transform scanned PDFs and images into searchable and editable text.

Organize & Optimize

Repair PDF

Attempt to recover data and content from corrupted or damaged PDF files.

Convert to PDF

Image to PDF

Convert JPG, PNG, or WebP images into a multi-page PDF document.

Convert to PDF

Word to PDF

Coming soon

Convert to PDF

Excel to PDF

Coming soon

Convert to PDF

PPT to PDF

Coming soon

Convert to PDF

Text to PDF

Coming soon

Convert from PDF

PDF to Image

Convert each page of your PDF into high-quality JPG or PNG images.

Convert from PDF

PDF to Word

Coming soon

Convert from PDF

PDF to Excel

Coming soon

Convert from PDF

PDF to PPT

Coming soon

Convert from PDF

PDF to Text

Coming soon

Convert from PDF

PDF to HTML

Coming soon

Images

Remove Background

Remove image backgrounds automatically with high-precision AI.

Tools

Edit PDF

Coming soon

Blog

How to Merge Multiple PDF Files into One

Learn step-by-step how to combine PDF documents quickly, securely, and for free using Unlocked PDF.

2024-02-18

How to Compress PDF and Reduce File Size

Is your PDF too large to email? See how to reduce size without losing quality.

2024-02-18

How to Password Protect PDF for Security

Secure confidential information by encrypting your PDF documents with a strong password.

2024-02-18

Access the Blog →

🔒 Your files never leave your device

All processing happens right in your browser. Your PDFs are not sent to any server — privacy by design, not by promise.

🌐 Works on any device, no install needed

Chrome, Firefox, Safari, Edge — desktop or mobile. No software to download, no account to create. Open the site, drag your PDF, done.

🆓 No hidden limits, no forced watermarks

Unlike other sites, we don't limit file count or add watermarks. Use as many times as you want, forever.

⚡ Built for people who value their time

Drag, process, download — in 3 clicks. Clean interface, no endless forms.