Every PDF Tool You Need,
Processed In Your Browser.
Fast, completely private, and effortless. Merge, split, compress, convert, sign, and encrypt your documents without transmitting a single byte to external servers.
Merge PDF
Combine multiple PDF files into a single unified document in any order you choose.
Split PDF
Separate one or more pages from a PDF file or split every page into individual files.
Remove Pages
Delete selected pages from your PDF file and save a clean, shortened document.
Compress PDF
Reduce file size and optimize PDF data structures without degrading visual quality.
JPG to PDF
Transform JPG images into high-resolution, shareable PDF documents instantly.
PDF to JPG
Extract every page of a PDF document and convert it into high-definition JPG images.
Rotate PDF
Permanently rotate PDF pages 90, 180, or 270 degrees clockwise or counterclockwise.
Add Watermark
Stamp custom text watermarks onto PDF pages with configurable opacity, size, and angles.
Sign PDF
Draw or place your handwritten digital signature directly onto any PDF document.
Protect PDF
Encrypt your PDF documents with custom master passwords directly inside your browser.
Organize PDF
Reorder, rotate and delete PDF pages visually with drag and drop thumbnails.
Add Page Numbers
Number your PDF pages with custom position, format, font size and starting number.
Image to PDF
Combine JPG, PNG and WebP images into one PDF with A4, Letter or fit-to-image pages.
PDF to Text
Extract all the text from a PDF instantly, then copy it or download it as a TXT file.
OCR PDF & Image
Recognise text in scanned PDFs and images in Arabic, French, English and more.
Why Privacy-Conscious Users Choose Online PDF Lab
Traditional online PDF editors upload your sensitive files to remote cloud machines. We engineered a strictly local alternative.
Zero Remote Storage
Your files never touch external servers or cloud databases. Every operation runs in temporary browser memory.
No Upload Delays
Eliminate slow file uploads and downloads. Large PDF documents process in fractions of a second on your device hardware.
Standard Encryption
Utilizes browser WebCrypto and WebAssembly binaries ensuring high-grade encryption and standard PDF compliance.
Frequently Asked Questions
Common questions about our free in-browser PDF utilities.
Are the tools really 100% free?
Yes. There are no subscriptions, document limits, or hidden fees. We built this platform to provide open access to core document tools.
How can you guarantee my files are secure?
You can disconnect your internet after opening any tool page and the software will continue to operate normally. No network requests are made with your file data.
Do you add watermarks to merged or converted documents?
No. Output files are completely clean and unaltered, retaining professional formatting for personal or enterprise use.