Compress · Convert · Resize · Remove Background
All your image tools. Completely free.
No sign-up, no watermarks, no server uploads. Everything runs privately on your device using WebAssembly and HTML5 Canvas.
Image Resizer
Exact pixels, any dimension.
JPG to WebP
Smaller files for faster websites.
PNG to WebP
Keep transparency, cut file size.
PNG to JPG
Turn PNGs into lightweight JPGs.
Image Compressor
Shrink file size, keep the quality.
Background Remover
Cut out subjects automatically.
Quick Reference Guide
Which image format should you use?
Selecting the ideal file format saves bandwidth, improves Google PageSpeed scores, and preserves graphic fidelity.
| Format | Compression | Transparency | Best For | Relative Size |
|---|---|---|---|---|
| WebP | Lossy & Lossless | Yes (Alpha) | Modern websites, Core Web Vitals, speed | Smallest (25-35% < JPG) |
| JPEG / JPG | Lossy | No | Photos, natural scenery, general sharing | Small to Moderate |
| PNG | Lossless | Yes (Full 8-bit) | Logos, icons, screenshots, sharp typography | Larger (retains all data) |
Knowledge Base
Latest Image Guides & Tutorials
PNG vs JPG: What's the Difference and Which Should You Use?
The fundamental difference between PNG and JPG comes down to compression: PNG is lossless and supports transparency, while JPG is lossy and produces much smaller file sizes for photos. Choosing the right format makes websites faster and graphics crisper.
What is a PNG File? Everything You Need to Know
PNG (Portable Network Graphics) is a raster graphics file format that supports lossless data compression and full alpha-channel transparency. It was created as an open patent-free replacement for GIF.
What is WebP? The Modern Image Format for Faster Websites
WebP is a next-generation image format developed by Google that provides superior lossless and lossy compression for web images. It reduces image weight by 25–35% compared to JPG and PNG while supporting both transparency and animation.
Lossy vs Lossless Image Compression Explained Simply
Lossless compression reduces file size by eliminating redundant code without altering a single pixel, while lossy compression permanently discards imperceptible visual data to achieve dramatic file size reductions.
100% Private & Local
Traditional converters upload your photos to remote cloud servers. FreeImageConvert processes everything right inside your browser session. Your images never leave your computer.
Zero Upload Latency
No waiting for megabytes to upload and download over slow internet connections. Processing happens instantly at your machine's hardware speed.
Unlimited Batch Processing
No daily quotas, paywalls, or artificial limits. Drag and drop dozens of photos at once and download all optimized results as a single ZIP archive with one click.