Image Compressor
Compress JPG, PNG, WebP, and GIF images locally in your browser. Reduce photo file size up to 90% without sacrificing visual quality. 100% private.
Upload images
JPG, PNG or WEBP. Up to 25 MB each.
Private. Images stay in your browser.
How can I reduce image size without losing quality?
Upload your photo to ToolJi's Image Compressor. It uses smart lossy and lossless browser compression to shrink file size by up to 80% while keeping visual clarity crisp.
What is Image Compressor?
An Image Compressor optimizes digital image files by removing unneeded metadata and applying smart compression algorithms to reduce byte size while retaining sharp visual quality.
Who Needs It?
Web designers, bloggers, e-commerce store owners, photographers, and job applicants uploading photos to online forms with strict file size limits.
Problem Solved
Fixes slow website loading speeds caused by oversized images and helps bypass email attachment and web form file size restrictions.
How to Compress Images Online for Free
- 1
Upload Images
Drag and drop JPG, PNG, or WebP photos into the compressor zone.
- 2
Adjust Quality
Use the slider to select your target compression level and image quality.
- 3
Compare Preview
View live side-by-side comparison of original vs compressed file size.
- 4
Download Photos
Download individual compressed photos or download all as a ZIP archive.
Common Uses for Image Compressor
Optimizing website photos to improve Google PageSpeed insights and SEO rankings.
Reducing photo file sizes below 50KB/100KB for government job applications and passport portals.
Compressing email image attachments to prevent delivery bounce errors.
Saving storage space on mobile devices and laptops.
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Frequently Asked Questions
Are my private photos uploaded to any server?
No. Compression runs entirely inside your web browser using HTML5 Canvas and WebAssembly. Your photos never leave your device.
What image formats are supported?
ToolJi supports JPG, JPEG, PNG, WebP, GIF, and AVIF image formats.
Can I compress multiple images at once?
Yes, you can drag and drop batch groups of up to 50 photos simultaneously.
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