Brightness & Contrast
Adjust brightness and contrast with live preview
Drop your images here
or click to browse. Supports JPG, PNG, WebP, GIF
Selected Files
Processing Complete!
How It Works
Upload
Select one or multiple images from your device
Configure
Adjust quality, format, and dimensions as needed
Download
Get your processed images instantly, no upload to servers
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Use tool →Sources & Technical References
WebAssembly codecs used by this tool:
- libheif — HEIC/HEIF decoding (used by iPhones)
- libwebp — WebP encoding/decoding (Google)
- libaom / libavif — AVIF encoding (Alliance for Open Media)
- mozjpeg — Improved JPEG encoder (Mozilla)
- oxipng — PNG optimizer
- MediaPipe — Face detection (for blur tools)
Standards followed:
- EXIF 2.32 specification (CIPA)
- WebP container spec (W3C)
- AV1-AVIF image format (AOM)
All processing happens client-side using WebAssembly modules. No image data is transmitted to any server. The processing speed and quality are equivalent to native desktop tools.