Image Compressor

Compress images without losing quality. Reduce JPEG, PNG, and WebP file sizes instantly - free, no upload limit, no account.

Free·No account required·Files deleted immediately·Built by Smit Parekh

What is Image Compressor?

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

1

Upload Your Image

Drag and drop or click to select a JPEG, PNG, or WebP image. A preview of the original appears immediately.

2

Set Quality and Format

Choose your output format and drag the quality slider - 75-80% is the sweet spot for most web images.

3

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.

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Good to know

More about Image Compressor

How image compression improves your Core Web Vitals

Images are the single biggest contributor to page weight on most websites, and a heavy hero image is the usual culprit behind a poor Largest Contentful Paint (LCP) score. Compressing images to 30-60% of their original size before you upload them is one of the fastest, cheapest performance wins available - it shrinks LCP, cuts bandwidth bills, and makes pages feel instant on mobile data. This tool runs entirely in your browser using the Canvas API, so your images never leave your device.

JPEG, PNG or WebP - which should you choose?

Use WebP for photographs and complex images on the web; it typically beats JPEG by 25-35% at the same visual quality. Keep PNG for graphics that need transparency or crisp edges like logos and screenshots. JPEG remains the safe choice when you need maximum compatibility with older systems. A quality setting of 75-80% is the sweet spot for most web images - high enough to look clean, low enough to make a real dent in file size.

Built & maintained by Smit Parekh

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