Add PDF Password
Lock a PDF with a password so only people who know it can open it.
Unlock a password-protected PDF and save it without one. Up to 15 at a time, 25 MB each.
or pick them from your computer — up to 15 at a time.
Drag up to 15 PDFs onto the page, or browse for them. Each can be up to 25 MB.
A row shows an inline field the moment a file needs one — type the password and it unlocks right there.
The result opens without a password in any PDF reader. Nothing else about the file changes.
A password-protected PDF is encrypted with the standard PDF security handler. This authenticates with the password you give it, decrypts the file, and saves a plain, unencrypted copy — the same unlock step every other SlimFile.app PDF tool already does before it can touch a protected file, offered here on its own.
Text, images, fonts and structure are copied across exactly as they were.
It is used once to open the file for that request and is never stored or logged.
No account, no email address, no trial that runs out.
What you download is clean — nothing added to your file.
Uploads and results are removed automatically about an hour after processing. We never look inside them.
Lock a PDF with a password so only people who know it can open it.
Mirror a photo left to right, or turn it upside down.
Add space around a photo so it fits a shape, without cropping.
Read the palette of an image, or any colour in it.