in-browser · wasm · zero upload

Your files
never leave this tab.

Merge, split, compress, convert. 14 PDF and image tools that run entirely in your browser — so contracts, résumés, and medical records stay on your device. Watch the network tab.

Browse 14 tools
no sign-inno file size capworks offline
network monitor — antiupload.comidle
$ AntiUpload --watch outbound
waiting for file… press Run live demo.
REQUESTS
—
BYTES OUT
—
WASM THREADS
—

PDF operations

09 tools

Edit and transform PDFs without an upload.

Repair PDF
Fix corrupted or unreadable files.
Merge PDF
Combine any number of files into one.
Split PDF
Pull pages or ranges into new files.
Compress PDF
Shrink file size while keeping quality.
Rotate PDF
Rotate any page 90, 180, or 270°.
Add Watermark
Add text or image watermarks.
Add Page Numbers
Add page numbers with position control.
PDF to Images
Export each page as PNG or JPG.
Images to PDF
Assemble images into a single PDF.

Document conversion

02 tools

Round-trip between PDF and Word with our own renderer.

new engine
PDF to Word
Editable .docx, built in-house.
2 modes
Word to PDF
Smart and Hi-Fi modes for fidelity.

Image tools

03 tools

Compress, resize, convert. Metadata stays yours.

Compress Image
JPG and PNG, quality slider.
Resize Image
Pixel, percent, or preset dimensions.
Convert Image
JPG · PNG · WebP, any direction.

In the oven

soon

Held back so we can do them right.We'd rather not ship them until they do the right thing.

Soon
Password Protect
Password-protect with AES-256.
Why it's not live yet
Soon
Unlock PDF
Remove a password you already know.
Why it's not live yet