Squoosh

Score /100

Price

Features

Reviews

Google's free image compressor that runs entirely in your browser using WebAssembly. Compress images to WebP, AVIF, or MozJPEG with a real-time quality slider and before-and-after preview for lossless file size reduction.

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Tool Analysis

Verified

Pricing

Free

Free Tier

Yes

Platforms

Web

Ratings & Reviews by Use Case

60 /100

image compression

Primary

Price

Features

Reviews

Strengths

Excellent live preview for comparing quality

Completely free with no limits or account

Outstanding compression results vs file size

Converts to WebP and AVIF formats easily

100% private — no server upload required

Feature Ratings

Live preview 50%

Free 50%

Batch 40%

Results 30%

Webp 30%

"Best free compression quality available, but no batch processing"

Use Cases & Performance

Compressing images with maximum quality retention

Recommended for this use case.

Converting images to WebP or AVIF format

Recommended for this use case.

Privacy-conscious users who want browser-local processing

Recommended for this use case.

Optimizing a few images with fine-tuned quality control

Recommended for this use case.

Bulk image compression for large batches

Not recommended.

Compare Alternatives (3)

vs iLoveIMG 89/100

Free online image compressor and batch image processing tool with resize, crop, convert, and watermark features. Supports HEIC to JPG conversion and handles multiple formats in one platform for quick file size reduction.

vs TinyPNG 75/100

Smart PNG and JPEG compression that dramatically reduces file size without perceptible quality loss.

vs ShortPixel 53/100

WordPress image optimizer plugin with automatic AVIF and WebP conversion for faster loading times. Offers lossy, lossless, and glossy compression modes with bulk image optimization and CDN-ready output for image-heavy websites.