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Firmalo

Firmalo

Sign PDFs online free, no signup or watermark

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Firmalo lets you sign PDF documents online for free, without creating an account and without adding a watermark. The key difference is privacy: files are processed locally in the browser, so the PDF never leaves your device. It works on desktop and mobile, supports Spanish and Portuguese, and is built for fast everyday PDF signing rather than complex contract workflows.

Firmalo makers

Here are the founders, developers, designers and product people who worked on Firmalo

Kirill SirenkoIT
FirmaloFirmalo