A 100% offline image converter for Windows — fast batch processing with no uploads, no tracking, and no subscriptions.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Windows
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 TinyFast.
Alternatives list
Compress hundreds of images in seconds. Everything stays on your computer. No uploads, no accounts, no subscription.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Windows
- Online
United States
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.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Online
- Mac
- Windows
Malaysia
+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 typeApplication types
Platforms
- Online
- Software as a Service (SaaS)
France
EU
Fast, 100% offline, privacy-first image compressor and HEIC/WebP converter running locally in your browser via WebAssembly.
Cost / License
- Free
- Open Source
Application typeApplication types
Platforms
- Online
+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
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.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
Cost / License
- Free
- Proprietary
Platforms
- Mac
- United States
+3
I
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 typeApplication types
Platforms
- Software as a Service (SaaS)
- Online
India
+1
ImgCompress is a self-hosted image toolbox for compression, format conversion, cropping, and local AI background removal. It supports 70+ formats, including PSD and HEIC, with a web UI and no external uploads.
Cost / License
- Free
- Open Source (GPL-3.0)
Application typeApplication types
Platforms
- Self-Hosted
Free online image compressor, resizer, and converter. Reduce file size, change dimensions, and convert formats — no signup, no software, works entirely in your browser.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
+1
