Is the Image Compressor free?

Yes — the Image Compressor is completely free, with no account, subscription, signup, or usage limits.

Is my data uploaded or stored?

No. The Image Compressor processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.

Does the Image Compressor work offline?

Yes. Once the page has finished loading, the Image Compressor works without an internet connection.

Which browsers does the Image Compressor work in?

The Image Compressor works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.

What quality setting should I use for web images?

A quality of 75–85% for JPEG and 70–80% for WebP typically delivers an excellent visual result while achieving 60–80% file size reductions. For hero images or photography showcases, 85–92% preserves more detail.

Does this free compressor support PNG files?

You can upload PNG files — they will be converted and compressed to JPEG or WebP on output. For lossless PNG compression, use the Image Format Converter and export as PNG with quality at 100%.

Image Compressor

Compress and optimise images to reduce file size without quality loss.

Drop an image here or click to upload

PNG, JPG, WebP, GIF — any image format

Free browser-based tool · Runs 100% on your device · Last updated July 7, 2026

What is the Image Compressor?

The free Image Compressor reduces image file sizes using JPEG or WebP compression — all inside your browser with no upload required. Drop your image, choose an output Format (JPEG or WebP), and drag the Quality slider (5–100%) to find the right balance between file size and visual quality. Three stat cards update live: Original size, Compressed size, and Savings percentage — so you can see exactly how much space you're saving before downloading.

→ Compressing product images for faster e-commerce page loads
→ Reducing photo file sizes before uploading to a website or CMS
→ Compressing images for email attachments or social media posts
→ Optimising image assets to improve Google PageSpeed or Core Web Vitals scores

How to Use the Image Compressor

1 Drop or select your image in the drop zone.
2 Choose the output Format: JPEG (widest compatibility) or WebP (better compression).
3 Drag the Quality slider — lower values create smaller files with more compression artefacts.
4 Watch the Original, Compressed, and Savings cards update live.
5 Click Download Compressed Image when you're happy with the file size.

Key Features

📉
Live size comparison

Original size, compressed size, and savings percentage shown in real time as you adjust quality.
🔢
Quality slider (5–100%)

Full control over the compression level — drag to find the sweet spot for your image.
🖼️
JPEG and WebP output

JPEG for maximum browser compatibility; WebP for 25–35% smaller files at the same quality.
👁️
Visual preview

See exactly how the compressed image looks before downloading.
🔒
Free, private

No server upload — compression happens locally using your browser's Canvas API.

Example Usage

Example Input

Input: photo.jpg 2.4 MB · Format: WebP · Quality: 75%

Example Output

photo-compressed.webp — 340 KB (86% savings)

Frequently Asked Questions about the Image Compressor

What is the Image Compressor?: The Image Compressor is a free online tool that lets you compress and optimise images to reduce file size without quality loss. It runs entirely in your browser, so there is nothing to install and nothing is uploaded to a server.
Is the Image Compressor free?: Yes — the Image Compressor is completely free, with no account, subscription, signup, or usage limits.
Is my data uploaded or stored?: No. The Image Compressor processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.
Does the Image Compressor work offline?: Yes. Once the page has finished loading, the Image Compressor works without an internet connection.
Which browsers does the Image Compressor work in?: The Image Compressor works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.
What quality setting should I use for web images?: A quality of 75–85% for JPEG and 70–80% for WebP typically delivers an excellent visual result while achieving 60–80% file size reductions. For hero images or photography showcases, 85–92% preserves more detail.
Does this free compressor support PNG files?: You can upload PNG files — they will be converted and compressed to JPEG or WebP on output. For lossless PNG compression, use the Image Format Converter and export as PNG with quality at 100%.