Add a Border to a JPG
Quickly add a border around a JPG picture.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. No data is ever transmitted across the network.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
How to Use Add a Border to a JPG
Select your image file.
Set margin thickness and pick your frame color.
Save your bordered picture.
Frequently Asked Questions
Does adding a border crop my image?
No, the canvas expands to surround your original image.
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