Can I use the generated stamps for commercial purposes?

Yes. Stamps generated with this tool have no copyright restrictions. You can use the downloaded images for commercial or personal purposes, including company seals and contract stamps.

Can I customize the stamp color?

Yes. You can choose from preset red (traditional stamp color), blue, and black, or use the color picker to select any custom color. You can also adjust opacity and border thickness.

Does the stamp support multiple lines of text?

Yes. Circle stamps support curved top and bottom text along the arc. Square stamps support multi-line text. Oval stamps support curved text as well.

What format is the downloaded stamp?

The downloaded stamp is in PNG format with transparent background. You can overlay it on Word documents, PDFs, contracts, or use it on web pages.

Can I add a logo in the center of the stamp?

Yes. You can add center text (e.g., 'OFFICIAL', 'APPROVED') or a star icon in the center of circle and oval stamps. Square stamps support a subtitle line.

Can I adjust the stamp size?

Yes. You can adjust the stamp size from 200px to 800px using the size slider. The exported PNG will match your chosen resolution.

Online Stamp Maker - Free Seal & Stamp Generator

📖 About Online Stamp Maker

A free online stamp and seal creation tool — no software download required. Design professional electronic stamps directly in your browser. Supports circle, square, and oval stamp shapes with customizable text, colors, fonts, and sizes.

🎯 Use Cases

Company chops, personal signature stamps, contract seals, approval stamps, electronic document signing, and online document authorization.

❓ FAQ

Can I use generated stamps commercially?

Yes. Stamps generated with this tool have no copyright restrictions. Use downloaded images for commercial or personal purposes freely.

What stamp shapes are supported?

Circle (round), square, and oval (elliptical) stamps are supported. Switch between them using the tabs above.

Can I customize stamp colors?

Yes. Choose from preset red, blue, and black, or use the color picker for any custom color.

Can I add a logo in the center?

Yes. Circle and oval stamps support center text (e.g., "OFFICIAL", "APPROVED") or a star icon. Square stamps support a subtitle line.

Is my data uploaded to a server?

No. All stamp generation runs entirely in your browser using the HTML5 Canvas API. No data ever leaves your device.

🪙 Online Stamp Maker

✏️ Stamp Settings

👁️ Live Preview

🎨 Style Adjustments