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Browse all cards →§ 07 · live tool
PDF Password Remover
Strip the password off a PDF you already have access to — your own payslips, BIR forms, bank statements. Runs entirely in your browser using the qpdf engine compiled to WebAssembly. Your file never leaves your device.
Where to next?
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How it works
We compile qpdf — the same open-source library that ships with most Linux distributions and powers many desktop PDF tools — to WebAssembly and run it locally in your browser. When you pick a file and hit Decrypt, the bytes go to a virtual filesystem inside the WASM sandbox, qpdf strips the encryption layer (using the password you supply for user-password-locked PDFs), and writes a clean copy back out for download.
Because everything is local, this tool works with PDFs that contain sensitive information — payslips, ITRs, BIR confirmations, bank statements — without ever transmitting them. There's no upload, no analytics on file contents, and no server you have to trust. Engine last reviewed 2026-05-23.
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Frequently asked questions
Does my PDF get uploaded anywhere?
No. The unlock runs entirely in your browser using qpdf compiled to WebAssembly. The file, the password you type, and the resulting unlocked PDF never leave your device. There's no upload, no server log, no account — close the tab and it's all gone.
What kinds of PDFs can it unlock?
Any PDF protected with a user password (the one you type to open it) or an owner password (the one that restricts printing/copying). qpdf supports the full PDF encryption spec including 40-bit RC4, 128-bit RC4, and 128/256-bit AES — covering every PDF produced by Adobe Acrobat, banks, payroll systems, and the usual government agencies in the Philippines (BIR, SSS, GSIS, Pag-IBIG).
I don't know the password — can it crack it?
No, and that's by design. The tool is for PDFs you have legitimate access to — your own payslips, statements of account, BIR-emailed forms — where you simply want to remove the password for archival or to forward without sharing it. It is not a brute-force tool.
Why does the first run take a few seconds?
We download the qpdf engine (~1.7 MB of WebAssembly) the first time you hit Decrypt. After that, the browser caches it and subsequent unlocks are near-instant. We don't load the WASM until you actually use the tool, so this page itself is light.
Does removing the password change the contents?
No. qpdf re-saves the PDF with the same pages, the same text, the same images, the same fonts, the same metadata — only the encryption layer is stripped. Open it in any reader and it should look identical, except no password prompt.
It says 'wrong password' but I'm sure it's right.
Two common culprits: caps lock, and trailing whitespace from copy-paste. Try typing it manually with the Show toggle on to verify. If the PDF was encrypted with a non-ASCII password (e.g. Tagalog characters with accents), some encoders normalize differently — try the password with and without diacritics.