Remove Signature Background - Free Online Tool

Remove background from signatures instantly. Create transparent PNG for documents. No uploads, AI-powered, works offline in your browser.

Drop signature image here

…or click to choose (PNG, JPG, WebP, HEIC)

Background Removal Options

Detection mode

Automatic White Background Color Background

Automatic works best for most signatures. Use Color mode for non-white backgrounds.

Tolerance 20 Higher values remove more similar colors

Smooth edges (anti-aliasing)

Preview

Original signature will appear here

Background-removed signature will appear here

Transparent areas will show checkerboard pattern

Tip: For best results, use a signature image with good contrast between the ink and background. Scanned signatures work better than low-quality photos.

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Frequently Asked Questions

Yes. This works excellently with scanned signatures. For best results, scan at 300 DPI or higher with good contrast between the signature ink and paper background.

No. All background removal happens locally in your browser using client-side processing. Your signature never leaves your device, ensuring complete privacy.

Select 'Color Background' mode and use the color picker to select the background color you want to remove. Adjust the tolerance slider to fine-tune the removal.

Lower the tolerance slider. Very light or faded parts of signatures may be removed if tolerance is too high. Find the right balance for your specific image.

Yes, but results vary. This tool removes backgrounds based on color. If your signature block has text in the same color as the background, it may also be removed.

Download the PNG file and insert it into your document (Word, PDF, etc.). The transparent background allows it to blend seamlessly over any document background.

Automatic mode detects and removes predominantly white backgrounds. Color Background mode lets you manually select any background color to remove using the color picker.

Tolerance determines how similar a color must be to the background to be removed. Higher tolerance removes more shades, useful for uneven backgrounds. Lower tolerance is more precise.

Yes, for most cases. Smooth edges (anti-aliasing) creates softer, more natural-looking edges on your signature. Disable it only if you need sharp, pixelated edges for specific uses.

The tool accepts PNG, JPG, WebP, and HEIC images. For best results, use high-resolution images with clear contrast between signature and background.

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