🗜️

Optimize / Compress

Free Online Image Compressor

Make images smaller without visible loss

LocalJPEG, WebP, or PNGNo upload required

Drop an image here

Browse, paste from clipboard, or drag a file into the area below

Drop your image

or paste from clipboard (Ctrl+V)

Browse files
PNGJPGWebPGIF
Local
LocalMax 50 MB · Stays on your device

About

Reduce file size for faster websites and easier sharing. Control quality and optionally shrink dimensions for maximum compression.

How it works

  1. 1Upload your image
  2. 2Adjust the quality slider
  3. 3Optionally set a max width
  4. 4Download and compare file sizes

Tips

  • 75% quality is usually unnoticeable
  • JPEG compresses photos best

Related Optimize tools

Continue with another tool in this category

About this free compress tool

Reduce file size for faster websites and easier sharing. Control quality and optionally shrink dimensions for maximum compression. Ideal for website uploads, email, storage savings. Output formats: JPEG, WebP, or PNG. Use ImgBench's free compress tool directly in your browser — no account, no upload, and no watermarks. Your files are processed locally on your device for complete privacy.

Often used together

Compress FAQ

How do I compress an image without losing quality?

Start at 75–85% quality — most photos look identical at that range. Use the compare slider to check before downloading.

Can I compress images without uploading to a server?

Yes. ImgBench compresses locally using your browser's Canvas API. No cloud upload, no file size limits from a remote service.

Is ImgBench's Compress tool free?

Yes. The compress tool is 100% free with no account, no watermarks, and no usage limits.

Are my files uploaded when I use the Compress tool?

No. ImgBench processes everything locally in your browser. Your images never leave your device.

What file formats does the Compress tool support?

This tool outputs JPEG, WebP, or PNG. Input support includes common formats like PNG, JPEG, WebP, and more depending on the tool.

Part of ImgBench's 36 free image tools. All processing happens locally — read our privacy policy.