Free Online Image and File Compressors
Reduce file size while keeping quality under your control. Files are processed in your browser and never uploaded.
3 tools in this section
Compress Images Online - Reduce File Size
Compress PNG, JPEG, and WebP images without losing quality. Free online image compressor with adjustable quality settings.
Compress Image Online Free
Compress images online free without uploading. Reduce JPG, PNG, and WebP file size in your browser with a live size preview, no signup.
Compress JPG to 100KB Online
Compress a JPG to around 100KB for uploads and forms. Free in-browser image compressor with a live size readout, no upload to any server.
Full Tool Pages
About These Tools
Every tool in this section is free and runs entirely in your browser on ToolBox. There are no uploads, no accounts, and no usage limits, so your files and data stay on your own device. Browse the full tool directory for everything else.