Precision conversions.Beautifully fast.
Effortlessly convert image files types to optimize your images, or unit measurments such as distance, weight, temperature, volume, time, and data sizes.
Image tools
Convert and optimize images locally in your browser (no uploads).
Convert images
Optimize images
Privacy promise
Your images never leave your device. Everything runs locally in your browser.
A real before/after
Same dimensions. Much smaller file.
Runs locally in your browser — your photos never leave your device.
Original
Optimized (30%)
Tip: swipe to compare side-by-side.
Convert in seconds
Fast, lightweight image conversion that feels instant — even on large photos.
Batch-friendly workflow
Queue multiple files, pick your output type, and export without the hassle.
Control file size & quality
Optimize for speed or quality with sensible defaults and clear output options.
No uploads — private by design
Your images stay on your device. No accounts, no servers, no data sharing.
Unit Conversions
Explore popular calculators and browse by category.
Categories
Explore conversions by topic.
Ready when you are.
Search any unit, open a converter, and get the answer instantly.