Compressor.io

Online JPEG, PNG, SVG, GIF and WebP image compression tool

Updated March 5, 2026

Compressor.io Overview

Compressor.io is a web-based image optimization tool that reduces file sizes for JPEG, PNG, SVG, GIF, and WebP images. It supports both lossy and lossless compression, helping websites load faster without noticeable quality loss.

The Pro version adds resizing, custom quality settings, and file renaming options, making it suitable for developers, marketers, and site owners focused on SEO and performance.

Key Features

  • Lossy & Lossless Compression: Choose between maximum size reduction or preserving original image quality.
  • Multiple Format Support: Optimize JPEG, PNG, SVG, GIF, and WebP files in one place.
  • High Compression Ratios: Reduce image sizes significantly while keeping visual differences minimal.
  • Image Resizing (Pro): Resize by pixels or percentage with up to 10,000 x 10,000 resolution support.
  • Custom Quality Controls: Adjust compression levels for JPG, PNG, and WebP formats.
  • EXIF Data Management: Keep or remove metadata and automatically fix image orientation.
  • Automatic File Renaming (Pro): Add prefixes, suffixes, or incremental numbering for organized exports.
  • Browser-Based Tool: No installation required; compress images directly online up to 10 MB per file.
  • SEO & Lighthouse Optimization: Improve page speed scores and search visibility with smaller image assets.

Pricing

Plan Price Key Features
Free $0 Max file size upload 10MB, 50 compressions/day, Lossy/Lossless compression
Web Compressor Pro $50/year Compress files up to 20MB, Unlimited compressions, Image resizing & advanced compression settings

Price details: https://compressor.io/pricing

Pros

Competitor

Pros
TinyPNG Compressor.io offers both lossy and lossless compression in one interface, while TinyPNG focuses mainly on smart lossy compression. Users who want more control over quality levels and format flexibility appreciate the added customization. The free web version is simple to use, and Pro includes resizing and renaming tools that TinyPNG limits to API or paid tiers.
ImageOptim Unlike ImageOptim, which requires a Mac app download, Compressor.io runs fully in the browser. This makes it accessible on any operating system without setup. It also supports WebP and SVG uploads directly online, giving more flexibility for web-focused teams managing different asset types.
Kraken.io Compressor.io keeps the interface minimal and beginner-friendly compared to Kraken.io’s API-heavy approach. For freelancers and small site owners who only need quick manual uploads, the straightforward workflow feels lighter and faster. The Pro plan also bundles resizing and renaming without complex integration steps.
ShortPixel ShortPixel centers heavily on WordPress plugins, while Compressor.io works independently of any CMS. This makes it useful for designers or developers handling static sites or multiple platforms. There’s no plugin installation required, and compression can be tested instantly before committing to a paid plan.
Optimizilla Compressor.io supports more file formats, including SVG and WebP, beyond standard JPEG and PNG optimization. It also provides clearer options between lossy and lossless modes. For users needing more advanced controls like resizing and metadata handling, the Pro version delivers broader functionality.

Cons

Competitor

Cons
TinyPNG TinyPNG provides stronger API integrations and widely used plugins for platforms like WordPress and Shopify. Compressor.io focuses more on manual uploads, which may slow down large-scale workflows. Teams handling hundreds of images daily might find TinyPNG’s automation and bulk processing more scalable.
ImageOptim ImageOptim processes files locally, which appeals to users concerned about uploading sensitive images to the web. Compressor.io runs online, so files must be uploaded to its servers. For organizations with strict privacy policies, a desktop-based optimizer may feel more secure.
Kraken.io Kraken.io offers robust API access and advanced automation suited for enterprise-level optimization pipelines. Compressor.io lacks deep automation and bulk API features in comparison. Developers building high-volume image workflows may find Kraken more adaptable for backend integration.
ShortPixel ShortPixel includes automatic WordPress media library optimization and CDN integration. Compressor.io requires manual uploads unless using its Pro tools, which adds extra steps for CMS-heavy sites. Site owners looking for fully automated background compression may prefer plugin-based services.
Optimizilla Optimizilla allows easy side-by-side visual comparison with real-time sliders, which some users find more interactive. Compressor.io offers quality control but doesn’t emphasize live comparison previews in the same way. Those who want granular visual tweaking before download might miss that experience.