Flatten PDF.
Make signatures and form fields permanent. Free browser tool, your file never leaves your device.
Let's get started — pick your PDF files
or drag and drop them right here
Pick your files
Select your PDFs — they stay on your device the whole time.
Your browser does the work
Everything runs inside your browser. Nothing is sent to a server. Not a single byte.
You're all set
Save your result instantly. No waiting, no account, no strings attached.
Built different. On purpose.
Professional PDF tools with no server, no cloud, and no compromise on your privacy.
Privacy is the product
Your files live in your browser's memory and vanish the moment you close the tab.
Your device. Your rules.
We use your hardware, not our servers. That means zero exposure to anything outside your machine.
Honest about money
PDF Safe is free and ad-free, sustained by the developer. We may add ads later, but your data will never be part of the business model.
Browse all tools
Sign PDF
Add your signature to any PDF document. Draw, type, or upload — free and private, no upload required.
Password Protect PDF
Keep your PDF safe with a password — AES-256 encryption included. Free, local processing, no upload required.
Unlock PDF
Remove a PDF password and save a decrypted copy. Your file stays on your device — nothing is uploaded.
Merge PDF
Combine multiple PDFs into one file, in whatever order you like. No upload needed — everything runs safely in your browser.