Free Image Compressor — Bulk Compression Online

Our free image compressor reduces photo file sizes by up to 90% while keeping them sharp. This online image compressor offers target-KB mode for exact limits (forms, uploads, email), manual quality control, and auto-optimize for one-click results. The bulk image compressor applies the same settings to many files at once — perfect for shops and portfolios. Often spelled image compresser or free image compresser, it is the same private tool: everything runs in your browser with no upload and no watermark. Pair it with the free online image resizer and PNG to JPG converter for a complete workflow.