About filecompressor.app
Free, private, browser-based file compression tools.
filecompressor.app is a free online file compression suite launched in 2026. We help everyone — students, creators, office workers, and developers — shrink files without uploading them to a server. Every compressor runs entirely in your browser using WebAssembly and Web Workers, so your files never leave your device. That means stronger privacy than upload-based tools, no sign-up, no watermarks, and no file size limits. We support images (JPG, PNG, WebP, AVIF, HEIC, GIF, SVG), documents (PDF, DOCX, PPTX, XLSX, EPUB), video and audio (MP4, MOV, MP3), and archives (ZIP, RAR), plus target-size compression, batch processing, and a developer API.
Our Tools
Image & Photo
- Image Compressor — Compress JPG, PNG, WebP images online for free.
- HEIC Compressor — Compress HEIC photos from iPhone online free.
- GIF Compressor — Shrink animated GIFs while keeping motion.
- SVG Compressor — Minify and optimize SVG files instantly.
Document & Office
- PDF Compressor — Reduce PDF file size without losing quality.
- JPG to PDF — Convert JPG and PNG images into a single PDF.
- DOCX Compressor — Compress Word documents, keep formatting.
- PowerPoint Compressor — Reduce PPTX size, keep all slides intact.
- Excel Compressor — Shrink XLSX files, preserve formulas.
- EPUB to PDF — Convert EPUB ebooks to PDF online.
Video & Audio
- Video Compressor — Compress MP4, MOV, WebM video in your browser.
- MP3 Compressor — Compress MP3 and audio files online free.
Archive & More
- ZIP Reducer — Decrease ZIP file size with max compression.
- RAR Compressor — Make RAR files smaller by re-archiving as ZIP.
- File Folder Compressor — Compress a whole folder to a ZIP online free.
- Batch Compressor — Compress multiple files at once in parallel.
- Extreme File Compressor — Smallest possible file with aggressive settings.
- Lossless Compressor — Compress files with zero quality loss.
- HTML Compressor — Minify HTML — strip comments and whitespace.
- CSV Compressor — Compress CSV data files into ZIP losslessly.
- 3D File Compressor — Compress STL and GLB 3D models online free.
- Compression API — Compress files programmatically via HTTP API.
- File Compressor to 1MB — Compress files to under 1MB target size.
- File Compressor to 200KB — Compress files to under 200KB target size.
- File Compressor to 100KB — Compress files to under 100KB target size.
- File Compressor to 50KB — Compress images to under 50KB target size.
- File Compressor to 10MB — Compress files to under 10MB target size.
- File Compressor to 2MB — Compress files to under 2MB target size.
- File Compressor to 4MB — Compress files to under 4MB target size.
- File Compressor to 500KB — Compress files to under 500KB target size.
Our Mission
Our mission is to make file compression free, private, and effortless for everyone. We believe your files should never have to leave your device just to be made smaller, so we build every tool to run locally in your browser — no uploads, no tracking, no paywalls. We commit to keeping filecompressor.app free forever and to expanding our toolset as new formats and use cases emerge.
filecompressor.app was launched in 2026. All file processing happens on-device via WebAssembly and Web Workers — no files are uploaded to any server. Last updated: 2026-07-27.