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日本語 Ultra High Compression Online Image Compressor
Ideal for web performance and social media assets: compress images locally with quality and resolution controls, then preview in a 16:9 canvas.
A Squoosh-inspired local image compressor with high compression ratio in your browser. Supports JPG / WebP / PNG.
Drag and drop supported. Processing stays in your browser.
Docs
Ultra High Compression Online Image Compressor is a Squoosh-inspired tool adapted to Gotokit style. It lets you compress images directly in the browser with format, quality, and scale controls. The workflow is fully local, so your files are not uploaded during processing.
Key Features
- Output to JPG, WebP, or PNG
- Tune both quality and output scale for better size control
- 16:9 canvas preview with clear before/after feedback
- Live size stats: original, compressed, and percentage change
- Drag-and-drop upload and one-click download
How to Use
- Upload an image or drop it onto the canvas.
- Select output format.
- Adjust quality and scale.
- Click Compress.
- Click Download to save the optimized result.
Common Use Cases
- Reducing website image payload before publishing
- Preparing social assets with smaller file size
- Frontend static asset optimization for faster loading
- Compressing mobile resources to improve performance
Notes and Source
This tool borrows the local compression philosophy from Squoosh, while using a custom Gotokit 16:9 canvas interface and compact control panel for consistent multilingual product pages.
Last verified: 2026-04-17
Source reference: GoogleChromeLabs/squoosh