Compress.FAST is a bulk file compressor with smart algorithms for JPG, PNG, PDF, Word, and PowerPoint. Drop up to 1,000 files, watch real-time progress, download one ZIP. 40+ image formats (including RAW) auto-convert to optimized JPG/PNG. Per-file before/after slider lets you verify quality on every file. Optional resize for maximum compression. 50 free compressions daily, no signup required.