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NiftyFix

Sign a PDF online

Draw your signature or upload a photo of it, drag it into place on the page, and save the signed PDF — all on your device.

Runs on your device — your file is not uploaded

Accepts
PDF
Produces
PDF
Maximum file size
250 MB on computers · 100 MB on phones

Printing a document just to sign it and scan it back is slow and makes the file blurry. Here you draw your signature with a mouse, finger or stylus — or upload a photo of it, which is cleaned so only the ink remains — then drag it exactly where it belongs on the page and save. The signature can go on one page or every page, and the saved file is checked to make sure it landed where you placed it.

How to use it

  1. Choose the PDF to sign. Its first page appears.
  2. Draw your signature in the box, or upload a photo of it on white paper.
  3. Go to the right page, drag the signature into place and adjust its size.
  4. Select "Sign PDF", check the report, then download.

Options explained

Draw or upload

Drawn signatures use black or blue ink. Uploaded photos are cropped to the ink and the paper is made transparent, so the signature sits cleanly on the page.

Position and size

Drag the signature on the page, or select it and use the arrow keys (hold Shift for bigger steps). The size slider keeps its proportions.

Place on

Sign one page, or put the same signature or initials on every page.

Limits and troubleshooting

Questions

Is a signature added this way legally valid?

It depends on the document and who receives it. Many everyday forms accept an image signature, but some legal and government processes require a certified digital signature (for example Aadhaar eSign or a DSC). Check the requirement before you send.

Is my signature uploaded or stored?

No. Your signature and your document stay in your browser, in an isolated frame that cannot connect to other sites. Nothing is saved after you leave.

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