Sign a PDF, in your browser, in seconds

Sign any PDF in your browser. Draw your signature with mouse, trackpad, or touchscreen, then drop it on any page. AES-encrypted, browser-only, legally binding under ESIGN / eIDAS.

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Questions

Is Sign PDF free?
Yes. Sign PDF is completely free, with no account, no sign-up, and no daily limits. It runs entirely in your browser.
Do my files get uploaded to a server?
No. Sign PDF processes everything on your own device, your files never leave your browser. You can verify it yourself in the browser's Network tab: your file is never sent (only anonymized, IP-anonymized page analytics load).
How do I sign pdf?
Sign any PDF in your browser. Draw your signature with mouse, trackpad, or touchscreen, then drop it on any page. AES-encrypted, browser-only, legally binding under ESIGN / eIDAS. There is nothing to install, open the tool and go.
Is there a file size limit?
There is no hard file size limit. Because Sign PDF works locally, the only bound is your device's available memory, most everyday PDFs and documents are handled instantly.

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