Flatten PDF Locally: Lock Fields, No Upload

Frequently asked questions

A person adding a watermark to a PDF on their laptop, edited in the browser
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Unlike traditional cloud-based PDF editors that upload your sensitive documents to remote servers, Nijam Tools operates entirely within your browser. By leveraging WebAssembly-backed libraries and native client-side processing, your files are manipulated locally on your device's own hardware.

On-Device Form Flattening: Locking a filled form before you send it happens strictly client-side. Our tool bakes each field value into the page locally in your browser, so confidential form data is finalized privately without ever being uploaded to a server.

  • Zero Server Uploads: Your documents never leave your machine. There is no cloud storage, no temporary server processing, and zero risk of data interception.
  • True Privacy: We do not require accounts, we do not log your document workflows, and we use only anonymous, cookieless analytics with no personal data and no cross-site tracking. Your files are processed on your device and never leave it.