Signature Image Resizer
Resize signature images for forms, documents, emails, and legal papers. Supports transparent backgrounds, custom dimensions, and document presets. Perfect for digital signatures, email signatures, and online forms. Fast, secure, and works entirely in your browser.
Upload Signature
Resize Settings
Ready to Resize
Upload your signature image to start resizing for documents and forms
About Signature Resizer Tool
Our free online signature resizer tool helps you resize signature images to the perfect dimensions for forms, documents, emails, and legal papers. Whether you need a small signature for email templates, a medium-sized signature for online forms, or a larger signature for legal documents, our tool makes it easy.
Simply upload your signature image, choose from preset sizes (200×80px for emails, 300×100px for forms, 400×120px for legal documents) or enter custom dimensions, select transparent or solid background, and download your resized signature. The tool maintains signature quality while reducing or enlarging to your exact specifications. All processing happens securely in your browser, ensuring your signature remains private. No registration required, completely free to use.
Key Features
Document Presets
Quick presets for emails, forms, and legal documents.
Transparent BG
Supports transparent backgrounds for PNG format.
100% Secure
All processing happens locally for complete privacy.
How to Resize Signature Images
Upload Signature
Click the upload area or drag and drop your signature image. Supports PNG, JPG formats.
Choose Size
Select a preset size or enter custom dimensions. Enable aspect ratio lock to prevent distortion.
Set Background
Choose transparent background for PNG or white/custom color for JPG format.
Resize & Download
Click "Resize Signature" to process and download your document-ready signature.
Pro Tip: Use 200×80px for email signatures, 300×100px for standard forms, and 400×120px for legal documents. Always keep a high-resolution backup of your original signature.