Professional PDF Tools
Processed locally on your device
No need to upload your files to unknown servers. With PDF Labo, all processing happens entirely within your browser ensuring maximum privacy and speed.
Workflow Builder
Create custom task sequences..
Why waste time uploading and downloading files 5 times? Create a "Workflow" and do it all with one click.
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Merge + Compress + Watermark
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Save recurring tasks for later
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100% Local Processing (Full Privacy)
Everything you need for PDF
A complete suite of simple yet powerful tools in one place.
Merge PDF
Combine multiple files into one document in your desired order.
Compress PDF
Reduce file size while maintaining quality for easy sharing.
IMG to PDF
Convert JPG or PNG images into a single PDF document.
PDF to JPG
Convert each page to an image.
Split PDF
Extract specific pages or split the file into several parts.
Organize PDF
Reorder pages via drag and drop.
Rotate PDF
Change page orientation (Portrait/Landscape).
Watermark
Add text or logo to protect your document rights.
Page Numbers
Add sequential numbering to pages.
N-Up Page
Fit multiple pages on one sheet.
Remove Pages
Delete specific unwanted pages.
Invert Colors
Invert PDF Colors (Dark Mode).
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Perfect for Everyone
Whether you are a student or running a business, we have the right tools for you.
For Students
Merge lecture notes and compress research papers for easy upload to LMS.
For Professionals
Add watermarks to contracts, organize pages, and convert documents to PDF.
For Developers
Use JSON to build complex workflows and process thousands of files locally.
Common Questions
Are my files safe?
Yes, 100%. Files are never uploaded to our servers; processing is local.
Is it free?
Yes, we offer most core tools for free for personal use.
Best PDF Editor Online
PDF Labo is the perfect solution for merging PDFs, compressing files, or converting images to PDF. We provide an integrated, easy-to-use platform that replaces expensive software.
Ready for a Faster Experience?
No installation needed. Start working now.