Left preview
Every tool you need to work with PDFs in one place
Every tool you need to use PDFs, at your fingertips. Merge, split, compress, convert, rotate, unlock and watermark PDFs with just a few clicks.
Work your way
Image editing made simple with FormaIMG
Experience the speed, simplicity, and security you expect from Forma PDF tailored for image editing.
The PDF software trusted by millions of users
Forma PDF is your web app for editing PDF with ease while keeping your data safe and secure.
Merge PDF files
Combine PDFs in the order you want with the easiest PDF merger available.
or drop files here
Merge order
Drag files left and right to define the final order before merging.
Compare workspace
Review both PDFs side by side and navigate pages together.
Upload exactly two PDFs to start comparing.
Right preview
Page studio
Select pages visually.
Preview the PDF pages, select ranges, then create separate files or one merged output.
Click pages in the preview to build Range 1. Use Select all or Clear to adjust quickly.
Choose split mode to preview expected output files.
Click pages in the preview to select them.
Use the page thumbnails to control the output.
Open one PDF to start editing.
Custom color
Create New Stamp
Generated result
Your file is ready!
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How it works
Privacy first
Files are prepared for encrypted processing and short-term storage. Production mode will use signed URLs and automatic deletion.