Image Compressor
Compress images without losing quality. Reduce JPEG, PNG, and WebP file sizes instantly - free, no upload limit, no account.
Compress JPEG, PNG, and WebP images to drastically reduce file size without losing visible quality. Drop in your file, pick a target format, and tune the quality slider — most images compress to 30–60% of original size at 75% quality. Smaller images load faster, improve Core Web Vitals scores like LCP, and cut storage and bandwidth costs. Compression runs entirely in your browser using the Canvas API, so your images stay private. Free, instant, and works on phones and laptops alike.
How It Works
Using Image Compressor in 3 Steps
Upload Your Image
Drag and drop or click to select a JPEG, PNG, or WebP image. A preview of the original appears immediately.
Set Quality and Format
Choose your output format and drag the quality slider - 75–80% is the sweet spot for most web images.
Compress and Download
Click Compress Image, see the exact size reduction percentage, and download your optimised file in one click.
Use Cases
Who Uses Image Compressor?
Web Performance
Reduce image file sizes before uploading to your website and cut page load time - one of the biggest factors in Core Web Vitals scores.
Email Campaigns
Keep email attachment sizes under 1 MB to improve deliverability and ensure images load fast for recipients on mobile data.
Social Media Posts
Compress images before uploading to Instagram, LinkedIn, and Twitter to prevent the platform's own aggressive compression from degrading quality.
FAQ
Image Compressor — Frequently Asked Questions
Everything you need to know before you start.
How does the image compressor work?
The tool reduces file size by re-encoding your image at the specified quality level. Higher quality = larger file, lower quality = smaller file. A setting of 75–85% typically cuts file size by 50–70% with minimal visible quality loss.
What is the best quality setting?
For web images, 75–80% provides an excellent balance between quality and file size. For print or archival purposes, use 90% or higher. For social media thumbnails, 65–70% is usually fine.
What image formats are supported?
JPEG, PNG, and WebP are supported. Note that compressing a PNG with JPEG output removes transparency - use PNG output to preserve it.
Is my image stored on a server after compression?
Images are temporarily processed on the server and immediately deleted after you download the result. No permanent storage.
Will the compression add a watermark?
No. Compressed images are returned clean - no watermarks, no branding, no modifications beyond the compression itself.
Is the image compressor free?
Yes - completely free with no usage limits, no account required.