A 100% offline image converter for Windows — fast batch processing with no uploads, no tracking, and no subscriptions.
Squoosh Alternatives
Squoosh is described as 'Compress and compare images with different codecs, right in your browser' and is a Image Optimizer in the photos & graphics category. There are more than 50 alternatives to Squoosh, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and SaaS apps. The best Squoosh alternative is Caesium Image Compressor, which is both free and Open Source. Other great sites and apps similar to Squoosh are ImageOptim, Dinky, GetCompress and OptiImage.
Alternatives list
Compress hundreds of images in seconds. Everything stays on your computer. No uploads, no accounts, no subscription.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Windows
- Online
Lokaltools is a privacy-first, browser-based toolkit with 100+ tools across 8 categories. Everything runs entirely in your browser using WebAssembly — no files are ever uploaded to a server, no account is required, and nothing ever leaves your device.
+5
Free browser tool for compressing, converting, and resizing bulk JPEG, PNG, WebP, and AVIF images entirely locally with WebAssembly, offering fast, private, unlimited processing, multi-core support, offline use, and ZIP export that keeps folder structure.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)
Fast, 100% offline, privacy-first image compressor and HEIC/WebP converter running locally in your browser via WebAssembly.
+4
A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
Cost / License
- Free
- Proprietary
Platforms
- Online
LocallyTools is a free local toolbox, offering various practical tools such as image compression, PDF processing, developer tools, etc. 100% local processing, zero upload, zero risk, fully protecting privacy and security. Supports offline use, no registration required.
Cost / License
- Free
- Proprietary
Platforms
- Online
The Tidy File is an automation-first image and file processing platform that helps you compress, convert, and batch-process files with consistent results and clear usage limits.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Software as a Service (SaaS)
- Online
+1
Compress and convert files instantly without uploading them to any server. Powered by WebAssembly, Featherfile processes everything 100% locally in your browser. Fast, secure, and privacy-first.
Free online image compressor, resizer, and converter. Reduce file size, change dimensions, and convert formats — no signup, no software, works entirely in your browser.
+1
FotoLince is a powerful, free online tool for optimizing images without uploading them to a server. Powered by WebAssembly, it processes everything locally on your device, ensuring 100% privacy and speed.
Free and open source online image converter featuring no intrusive ads, signups, or usage limits. Supports converting images between JPEG, PNG, WebP, AVIF, JXL, QOI, HEIC, and WP2. Runs in browser, requires no installation, and prioritizes privacy and usability.
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