Image Compressor
Compress PNG, JPG and WebP up to 90% — entirely in your browser. Drop images below; nothing is uploaded, ever.
Tip: paste an image from your clipboard with Ctrl+V / ⌘+V
Compress images without uploading them anywhere
Private by design
Files are processed with the canvas API on your device. Disconnect from the internet — it still works.
Target size mode
Need “under 100 KB” for a form or email? Pick a target and we automatically choose the output format and quality with the best image quality that fits.
Batch & convert
Compress a whole folder and convert between PNG, JPG and WebP in the same pass.
Guides & tutorials
How to Compress Images Without Losing Quality
Lossless vs lossy, the quality sweet spot, and a workflow that shrinks images by 70–90% with no visible difference.
Image CompressionHow to Compress an Image to 20KB, 50KB, or 100KB
Need a photo under an exact size for a form, exam portal or job application? Here's how to hit a precise KB target without wrecking quality.
OptimizationPNG vs JPG vs WebP: Which Image Format Should You Use?
A practical decision guide — transparency, photos, screenshots, browser support and real file-size numbers.
Image CompressionCompress JPG Online Free (No Upload, No Watermark)
Shrink JPG and JPEG photos by up to 80% in your browser — no sign-up, no watermark, and your files never get uploaded.
PerformanceImage Optimization for Web Performance: A Practical Checklist
Images are ~50% of page weight. Here's the checklist we use to cut LCP times: formats, sizes, lazy loading and CDNs.
Image CompressionHow to Convert PNG to JPG Online (Free, No Watermark)
Why PNG photos are needlessly huge, when to switch to JPG, and how to convert in your browser without uploading anything.