Image Tools
These image tools resize, compress, convert, and analyze images entirely on your device using the canvas API — nothing is uploaded anywhere.
Image Compressor
Shrink a JPG or PNG’s file size.
Image Resizer
Resize a JPG or PNG to exact dimensions.
Image Format Converter
Convert images between PNG, JPEG, and WebP.
Favicon Generator
Generate favicon PNGs in every common size from one image.
Color Blindness Simulator
Preview how an image looks with color vision deficiencies.
Color Palette Extractor
Extract the dominant colors from an image.
Color Converter
Convert HEX/RGB/HSL and check WCAG contrast ratios.
Placeholder Image Generator
Generate a placeholder image at any size and color.
Guides & articles
Compress Images for Faster Websites: A Practical Guide
Resize first, then compress, then pick the right format. A practical workflow for smaller JPG, PNG and WebP images, done free in your browser.
How to Resize an Image Without Losing Quality
What actually causes quality loss when you resize, why shrinking is safe and enlarging is not, and how to get a smaller file too.
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Frequently asked questions
- What image formats are supported?
- JPEG, PNG, and WebP are supported for compression, resizing, and format conversion.
- Will image quality suffer?
- Compression and format conversion involve a quality/size tradeoff you control — you can preview the result before downloading.
- Do you store my images?
- No. Images are processed in-memory in your browser tab and discarded when you close or refresh the page.