Remove the background from signatures and logos. Get clean, transparent results for documents, contracts, and branding.
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JPG, PNG, WebP, AVIF, BMP · up to 25MBAll processing runs locally in your browser · No data uploaded · 100% private
Download signatures as transparent PNG files ready for Word, PDF, Google Docs, or any document editor.
Your image will have a true transparent background (alpha channel). Perfect for overlaying on any design, document, or website.
PNG is the only common web format that supports true transparency. Unlike JPG, PNG preserves every transparent pixel for professional use in any context.
Learn more techniques and best practices for working with transparent images.
Read the Full Guide → →Signatures and logos are sensitive. BG-Zero processes everything locally — your files never leave your device.
Common questions about removing backgrounds from signatures.
BG-Zero's auto mode uses advanced AI models that can accurately handle complex edges like hair and fur. For best results, use the Transformers.js (RMBG-1.4) engine. For portraits, you can also try rembg-web's u2net_human_seg model.
Yes. You can upload and process multiple images one after another, all locally in your browser with no quantity limits. Each image can be downloaded as a transparent PNG as soon as processing is complete.
imgly (IS-Net) uses a 44MB default model, with optional 88MB and 176MB quality upgrades. Transformers.js (RMBG-1.4) is ~176MB and requires WebGPU. rembg-web offers 7+ models from 4.7MB, including portrait and anime modes, and is the lightest fallback for mobile browsers.
Yes. After removing the background, choose Transparent, White, Black, or Custom background directly in BG-Zero, then export as PNG, WebP, or JPEG. You can also use Product Photo mode for centered white-background images, or ID Photo mode for document-style backgrounds.