Upload a photo or scan of your signature — or draw one — and get a clean transparent PNG you can drop onto documents, emails, and certificates. The white paper background is removed instantly, right on this page.
Drop a photo or scan of your signature here
or click to browse · JPG, PNG, WEBP or HEIC · you can also paste a screenshot
Tip: photograph your signature on plain white paper in even light. Off-white or yellowed paper is fine — the sensitivity slider handles it.
Sign here with your mouse, finger, or stylus
Drop a PDF with a signature here
or click to browse · the first page is rendered and the signature area is auto-cropped
The PDF is rendered locally with JavaScript — like everything else here, it never leaves your device.
Source:
No signature detected — the whole image was removed as background. Try lowering the sensitivity so more of the image is kept.
signature-transparent.png — auto-trimmed with a transparent background.
Take a photo of your signature on white paper, scan it, or drop in an existing JPG, PNG, WEBP, HEIC, or PDF. On a phone or tablet you can simply sign on-screen with your finger.
The white or off-white background is removed automatically. Use the sensitivity slider for yellowed paper or shadowy phone photos, and recolor the ink to pure black, blue, or any custom color.
Pick an export size and hit Download. The PNG is auto-trimmed to the signature itself, with soft anti-aliased edges — ready to place on any document or certificate.
JPG files can't store transparency, so a scanned signature always carries a white rectangle with it. A PNG with an alpha channel keeps only the ink, letting your signature blend into contracts, letterheads, email footers, and certificate templates no matter what color or pattern sits behind it. That's why every document tool — from Word and Google Docs to DocuSign and certificate platforms — works best with a transparent signature PNG.
Most signatures start life as something other than a PNG: a phone photo of a signed sheet of paper, a flatbed scan, a JPG someone emailed you, or a signature sitting inside a signed PDF. This converter accepts all of them:
Uneven lighting, slight shadows, and yellowed or off-white paper are all handled by the sensitivity slider — drag it right to remove more of the background, left to preserve lighter pen strokes.
One of the most common reasons to convert a signature to a transparent PNG is certificate design: a director's or instructor's signature that sits cleanly above the signature line, whatever background the certificate uses. A transparent PNG drops straight into CertFusion's certificate designer — upload it once, position it on your template, and every certificate you issue carries a crisp, authentic signature.
You can try it free: design a certificate with the free certificate generator, add your new signature PNG, and send personalised, verifiable certificates to your whole recipient list in one go.
Upload any image of your signature to the tool above. It reads the image pixel by pixel, makes the bright paper background fully transparent, keeps the dark ink, and auto-crops the result. Then click Download to save it as a PNG with a real alpha channel. No signup, no watermark, and nothing is uploaded — the conversion runs entirely in your browser.
Drop the JPG into the upload zone. JPG can't store transparency, so simply renaming the file to .png changes nothing — the white box stays. This converter actually removes the background: it turns the white pixels transparent with soft, anti-aliased edges, then exports a genuine transparent PNG. The same works for any image format, including PNG and WEBP files that still have a white background baked in.
Yes — that's the most common way to do it. Sign white paper with a dark pen, photograph it in even light, and upload the photo (iPhone HEIC files work directly). If the paper looks grey or yellowish in the photo, drag the sensitivity slider right until only the ink remains. Photo rotation is handled automatically.
Use the "From PDF" tab and drop in the signed document. The first page is rendered right in your browser, the background is removed, and the tool auto-crops down to the signature area. If the signature is on a later page, export that page as an image first (or screenshot it) and use the regular upload tab.
A transparent signature PNG is a visual signature — an image of your handwriting you can place on documents, which is what most people need for letters, invoices, and certificates. It is not a cryptographic digital signature (the kind that mathematically proves a document wasn't altered, used by tools like Adobe Sign or DocuSign). Those platforms do, however, let you upload a signature image, and a clean transparent PNG is exactly the format they expect.
Download the PNG here, then insert it as an image in your email client: in Gmail go to Settings → See all settings → Signature and use the insert-image button; in Outlook go to Settings → Mail → Compose and reply → Signatures. Use the 1x export size (or 2x for retina screens) so the image stays small and loads fast. Because the background is transparent, it looks right in both light and dark mode.
For email signatures and web use, the standard 1x export is plenty. For print — contracts, letterheads, or certificates — choose 2x or High-res so the ink stays sharp when scaled up. The tool always auto-trims the empty margins, so the PNG is exactly as big as the signature itself.
No. Everything — reading the file, removing the background, recoloring, and exporting the PNG — happens in JavaScript on your own device. Your signature never leaves your browser, which matters: a signature is sensitive personal data you shouldn't hand to random upload sites.
Drop your new transparent signature PNG into a CertFusion template and issue personalised, verifiable certificates to your whole audience — automatically.
Design a Certificate with CertFusion