Every PDF job done in seconds
Merge, split, rotate and compress PDF files, turn photos into a PDF, and use handy text and number tools. Everything runs in your browser, so your files stay yours.
Doc Writer Lab is a browser-based online service, not downloadable desktop software. Files you download from a tool are your resulting PDF or document outputs, not software installers.
Pick a tool
Twenty tools, all free. Move your mouse over a card to tilt it.
PDF Tool Guides
Learn how to use each free tool and open it directly.
Why people use Doc Writer Lab
Browser processing
Supported tools process selected files on your device instead of sending them to a PDF upload server.
No account needed
Open a tool, add your file, save the result. No email, no password.
No account required
Use the available tools without signing up. Processing limits depend on your device and the PDF size.
How it works
Add your files
Drag them in or pick them from your phone or computer.
Set your options
Choose pages, order or quality. Each tool explains what to do.
Save the result
Press the button and your new file is ready to save.