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brainai.storeFormFix

Edit PDFs without uploading a single byte.

Merge, split, and sign your documents instantly. Everything runs inside your browser — your file never touches a server. No account needed.

Files stay on your deviceNo upload, everFree forever
Merge PDFsCombine multiple files into one. Drag to reorder.
Drop PDFs here
or click to browse — add as many as you like
no upload · stays on your device
0
bytes uploaded
100%
client-side
∞
files · free forever
3
tools, no account
01 / open
Drop your PDF
Drag a file in or load a sample. Read straight into memory — nothing leaves your machine.
02 / edit
Merge, split or sign
Reorder files, pick pages from live thumbnails, or click to drop text and a drawn signature.
03 / save
Download instantly
A real, flattened PDF is built in your browser with pdf-lib and downloaded directly. Done.