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v2.25.0

Make a Transparent Signature PNG — Free & Private

Turn a photo or scan of your handwritten signature into a transparent PNG. Free, browser-only, no upload — then drop it straight onto a PDF with our signing tool.

Photograph your signature · Wand the paper away · Trim edges · Use it on any document

Click, drag and drop, or paste

Drop a PNG, JPG, WebP, or SVG image — or paste a screenshot. Editing happens in your browser; the image is never uploaded.

Paste a screenshot with Ctrl+V (Cmd+V on Mac)
Privacy Guaranteed—No Server Uploads

Ink kept, paper gone

Produced with the editor on this page — not mocked up.

Before
Handwritten signature in blue ink on white paper before conversion to a transparent PNG
After — transparent PNG
The same signature as a transparent PNG with the paper removed, ready to place over a document
Magic wand, tolerance 12, trim to content — Ink needs a low tolerance. We measured it: at 12 the paper goes and 98% of the ink survives, while at 32 the paper still goes but a fifth of the stroke edges vanish with it and the signature turns spindly.

Make a Transparent Signature PNG — Free & Private

Signing documents digitally usually starts the same way: you sign a sheet of paper, photograph it, and end up with a signature sitting inside an ugly white rectangle. Removing that white so the ink floats cleanly over a contract takes about thirty seconds here — and because the whole thing runs in your browser, an image of your actual signature is never uploaded anywhere. That matters more for a signature than for almost any other image, since it is a piece of identity you generally do not want sitting in a stranger’s cloud storage.

Your Signature Stays Yours

The image never leaves your device. No server ever receives a copy of your handwritten signature.

Clean Ink, No White Box

The paper disappears and only the ink remains, so the signature sits naturally over any document or background.

Works from a Phone Photo

A photo of a signed sheet works as well as a flatbed scan — raise the tolerance to handle uneven lighting on the paper.

Ready to Sign PDFs

Export the transparent PNG, then use it wherever you need it — including our browser-based PDF signing tool.

!How It Works, Step by Step

1

Sign a blank sheet of paper in dark ink and photograph or scan it.

2

Drop the image into the editor and click the paper with the magic wand at a tolerance around 30-45.

3

Erase any remaining shadows or page edges with the erase brush.

4

Tick "Trim transparent edges", download the transparent PNG, and use it on your documents.

In Your Browser vs. on a Server

FeatureLocal (Us)Cloud Tool
Signature privacyNever uploadedSignature image stored on a server
CostFree, unlimitedOften part of a paid e-sign plan
Account neededNoneUsually requires signup
OutputTransparent PNG you keepLocked inside their platform

Technical FAQ

How do I make my signature transparent?
Photograph or scan your signature on white paper, drop the image into the editor above, and click the paper with the magic wand at a tolerance of roughly 30-45. The paper becomes transparent and the ink stays. Tick "Trim transparent edges" so the PNG is cropped tightly to the signature, then download it.
Is it safe to upload my signature to an online tool?
Generally no, and that is exactly why this tool does not upload it. Your handwritten signature is a piece of identity, and most online background removers send the image to their servers where it may be retained. Here every pixel operation happens in your browser — you can confirm in the network tab that no request carries the image.
My signature photo has grey shadows instead of clean white paper. What do I do?
Uneven lighting is the usual culprit. Raise the tolerance to around 45-55 so the grey tones are treated as background, and if the wand starts eating the ink instead, undo and use the erase brush on the shadowed corners. Photographing the page in flat, indirect light avoids the problem entirely.
Can I use the transparent signature to sign a PDF?
Yes. Once you have the PNG you can place it into any document. PDFGami also has a browser-based PDF signing tool that lets you draw a signature directly onto a PDF, which is the faster route if you do not need a reusable image file.
What resolution should my signature image be?
Anything from about 800px wide upward is plenty. Higher resolution gives smoother edges when the signature is scaled down onto a document. Avoid heavily compressed images, since JPEG artifacts around the ink make a clean cut harder.
Should the signature be black or blue ink?
Either works, and both cut cleanly from white paper. Dark ink gives the strongest contrast against the page, which makes the wand more accurate. Avoid light pencil, which sits too close to the paper tone for a clean separation.

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