Sites and apps similar to ImageRobo include Caesium Image Compressor, which is free and open source. Other options are Squoosh, OptiImage, RIOT - Radical Image Optimization Tool and TinyPNG. You're spoiled for choice with Image Optimizers like ImageRobo: we list more than 25 alternatives for Mac, Windows, Linux, Android and self-hosting.
IMAGEmini, a powerful photo resizer and optimizer, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality and png, jpg, gif formats.
China
Compress Tool provides Free Online Web and Image Tools for JPG, JPEG, PNG, GIF, BMP, ICO, HEIC and WEBP! It supports all image formats for Compression and Converters!.
Image Magic is an all-in-one online image editing and conversion platform that helps you resize, compress, crop, convert, watermark, image to pdf and self attest images instantly. Fast, secure, and easy to use no software installation needed.
Instantly compress JPEG images in your browser without uploads or downloads, maintaining privacy and security. Features customizable quality, batch processing, real-time previews, unlimited size support, an intuitive interface, and is completely free to use.
A Mac app and Chrome extension that optimizes/compresses images and PDFs. Tinybeest also converts file formats and resizes images for the web.
Get more done with 11zon. Maximize productivity with 11zon compress, convert, edit, and more, all in one place.
Local image compression for Mac: batch-compress PNG, JPEG, WebP & AVIF and upload straight to R2/S3/OSS/COS. One-time $9, no subscription, everything stays on your Mac.
China
Free browser-based image editor with layers, masks, selections, drawing tools, text, filters and blend modes. It can edit animated GIFs frame by frame, create favicon packages with web and app icons, and open flattened PSD or AI files locally without an account.
Compress JPG, JPEG, PNG, WebP, GIF, AVIF, JXL, and QOI formats online for free. No sign-up needed. Secure in-browser compression handles up to 1000 files simultaneously. Your files never leave your device, ensuring complete privacy.
Pi7 Image Tool is a collection of some online tools like Image Compressor, Image resize tool, and Image conversion tools (Image to JPG, Image to PNG, etc).
