Image Compressor — Free Online Tool
Drop images anywhere
Release to add your files
Compare Original vs Compressed
180%
Compressed
Original
BEFORE AFTER
FREE · BROWSER-BASED · NO UPLOADS

Image Compressor

Compress any image to an exact target size. Compare quality with interactive slider.

Drop images here or click to browse
JPG · PNG · WEBP · GIF · BMP · AVIF · HEIC
Multiple files supported · Max 50 MB per file
— or —
Browse files
Add more images
Click or drop files here
⚠ One or more files exceed 30 MB — compression may be slow on some devices.
Target sizeAll images
Compresses as close as possible to target without exceeding it
0 file(s) queued
Totally Private
Your photos stay on your device. Nothing gets uploaded, ever.
Shrinks Fast
Big photos become small files quality stays looking great.
Do It All At Once
Drop a bunch of photos in, compress them all in one go.
Works Anywhere
Phone, tablet, laptop compress on whatever you've got.

Why Compress Image Online?

Image Compressor lets you compress images online without installing any software. Reduce the file size of JPG, PNG, WEBP, AVIF, HEIC, GIF, and BMP images while maintaining excellent visual quality. Whether you’re optimizing photos for websites, emails, social media, or saving storage space, our browser-based image compressor makes it fast and simple.

Every image is compressed directly in your browser, so your files never leave your device. No uploads, no sign-up, and complete privacy. Need to change image formats? Try our Image Converter. Need custom dimensions? Use our Image Resizer to resize images before or after compression.

Supports JPG, JPEG, PNG, WEBP, AVIF, HEIC/HEIF, GIF, BMP, TIFF, ICO, and SVG for fast, secure, browser-based image compression with support for batch processing.

Compression Guide

Format Best Compression For Typical Reduction Quality Loss Lossy?
JPG Photos, camera shots Up to 80% smaller ✓ Barely noticeable Yes
WEBP Websites, faster loading Up to 85% smaller ✓ Barely noticeable Both
PNG Screenshots, logos, UI Up to 40% smaller ✓ None (lossless) No
AVIF Max compression, modern web Up to 90% smaller ~ Minor at low quality Both
HEIC iPhone photos Already compressed ~ Convert first Yes
GIF Simple animations Limited ✗ Color limits apply No
BMP Not recommended for storage Convert instead ✗ Best avoided No

How to Compress an Image

1
Drop your image
JPG, PNG, HEIC, AVIF & more supported
2
Set compression level
Slide to balance size vs quality
3
Preview the savings
See exact size reduction before download
4
Click Compress
Instant — no upload, no server
5
Download file
Save or ZIP all files at once

Frequently Asked Questions

No. Everything runs in your browser. Your files never leave your device.

Yes, completely free. No sign-up, no limits.

JPG, PNG, WEBP, GIF, BMP, AVIF, and HEIC/HEIF as input. Same formats available as output.

Yes, drag and drop multiple files at once
for batch Compression .

For lossy formats (JPG, WEBP, AVIF) you can control quality from 10-100%. For PNG and GIF, full lossless quality is maintained.

No. Your Compression images are completely watermark-free.