All Categories9 categories · 105 tools
PDF Tools
Compress, merge, split, convert, and edit PDF files online for free.
15
Image Tools
Compress, resize, convert, and edit images without uploading to a server.
15
Text Tools
Count words, convert case, sort text, generate content, and more.
15
Developer Tools
Format JSON, encode Base64, generate UUIDs, test regex, and more.
15
Web Design Tools
Generate CSS gradients, box shadows, color palettes, and more.
10
Calculators
BMI, age, percentage, EMI, unit converters, and more free calculators.
15
Security Tools
Generate passwords, hashes, QR codes, and check password strength.
7
Misc Tools
Random numbers, dice roller, coin flip, barcode generator, and more.
9
Social Media Tools
Character counters, image resizers, hashtag tools, and more for social media.
4

Add Watermark to Image Online Free

Add text watermarks to your images. Free, customizable, and instant.

Files never uploadedInstant results100% freeWorks on mobile

How to Use

  1. 1Upload your image by dragging it into the drop zone.
  2. 2Enter the watermark text and customize font size, opacity, and color.
  3. 3Click Add Watermark to apply.
  4. 4Download your watermarked image.

Frequently Asked Questions

Can I adjust the watermark opacity?

Yes. You can set the opacity from 10% to 100%. Lower values create a more subtle, transparent watermark.

Is the watermark diagonal?

By default, the watermark is applied as a repeating diagonal pattern across the entire image for maximum coverage.

Is my image uploaded?

No. All processing happens in your browser using the Canvas API. Your image never leaves your device.

Related Tools

Compress Image
Free online tool
Resize Image
Free online tool
Crop Image
Free online tool
Rotate Image
Free online tool

User Reviews & Feedback

Real-time comments from our global community of users.

5.0out of 5
0 reviews submitted

Share your experience

No signup needed. Your feedback runs client-side and updates instantly.