— 01
Sign on paper
Black ink on plain paper works best. Avoid lined notebook paper — the lines get picked up as marks. Use a sharpie or fine-tip pen for thicker strokes.
Signature background remover
Signatures
Signatures
on transparent
Photograph your signature on paper, drop it in, get back a clean PNG with just the strokes. Use it in emails, PDFs, contracts, design files. Free, no signup, no watermark.
— What this does
Inkurs removes the paper background from photographed or scanned signatures and returns a transparent PNG with just the ink strokes. Works on phone photos, flatbed scans, and snippets from signed PDFs. Free, no signup, deleted from servers within 60 seconds.
Drop image or paste from clipboard
PNG · JPG · WEBP · HEIC · BMP — up to 20MB
Tip — paste with ⌘+V from anywhere
01 / 01 / How it works
Three steps,
real signatures.
— 02
Photograph or scan
Phone photo in even light is fine — no need for a scanner. Avoid hard shadows across the page. Crop the photo close to the signature before upload for best edge detection.
— 03
Drop and get the PNG
Inkurs removes the paper background and returns the signature on transparent. Drop it into Docusign, Gmail signature, Photoshop, or wherever you need it.
02 / 02 / Where it gets used
Common signature
use cases.
— 01
Digital contracts
Drop your transparent signature onto a contract PDF in Preview, Adobe Acrobat, or Docusign. No need to print, sign, scan, send.
— 02
Email signatures
Add a hand-signed mark to your email signature block. Personal touch on professional correspondence, with transparency that works on any email theme.
— 03
Artist / designer marks
Use as a watermark or sign-off on portfolio pieces, prints, or merchandise. Transparency means it works on any background color.
— 04
Letterhead and templates
Add a real signature to letterhead PDFs, invoice templates, or brand identity files. Replaces the typewritten name with something personal.
— Frequently asked
Common questions.
What's the best paper and pen for the source photo?
Plain unlined white printer paper with dark ink (black ideal). A medium-tip or fine sharpie gives clean strokes that survive scaling. Avoid lined notebook paper — the rules get picked up as marks.
Is my transparent signature legally binding on contracts?
The image is a faithful reproduction of your signature. Whether it's legally binding depends on the jurisdiction and contract type — same rules as any scanned signature. Consult a lawyer for high-stakes contracts.
How small can the strokes be before the model misses them?
Anything visible to the human eye on a 4K phone photo will work. Very thin pen lines may look pixelated when scaled significantly above the source resolution; thicker strokes scale better. Use a fine sharpie for crispest results.
Is inkurs really free with no signup?
Inkurs is free for single-image use with no account, no email, no watermark, and no daily limit. Pro at $3/month adds bulk uploads and API access. The single-image tool stays free, forever.
Do you store or train on my uploaded images?
Inkurs deletes both the uploaded file and the processed output from its servers within 60 seconds of your download. We do not train AI models on user images, share data with advertisers, or retain copies. Privacy policy →
What image formats and sizes does inkurs accept?
Inkurs accepts PNG, JPG, WEBP, HEIC, and BMP files up to 20MB on the free tier. Output is a transparent PNG by default; WEBP is also available. Pro extends the file size cap and adds 8K output.
How does inkurs compare to removebg and Photoroom?
Inkurs gives full HD output free with no signup, while removebg gates HD behind a paid account ($9.99/mo) and Photoroom requires signup for most features ($12.99/mo). Inkurs Pro is $3/month flat. Detailed comparison →