Compress Image

Reduce JPG, PNG, WebP file size. Adjust quality, preview before/after. Free, private — all in your browser.

About Compress Image

Reduce image file sizes without noticeable quality loss. Adjust compression quality with a slider, preview before/after results, and choose output format. All processing in your browser.

Quality Control

Fine-tune compression from 10-100%. See real-time file size estimates before committing to the compression.

Before/After Preview

Compare original and compressed images side by side. See file size savings with percentage reduction.

Format Conversion

Convert to JPG, PNG, or WebP during compression. Optimize for web performance with modern formats.

Browser Privacy

Images never leave your device. Compression uses Canvas API locally. No uploads, no limits.

📋 Common Use Cases

Website Performance Optimization

Compress images before uploading to your site to reduce page load times and improve Core Web Vitals scores.

Email Attachment Size Limits

Shrink large photos to fit under email attachment limits without forcing recipients to download huge files.

Social Media Upload Requirements

Reduce image sizes to meet platform-specific file limits on Facebook, Instagram, LinkedIn, and Twitter.

Saving Storage Space

Batch compress your photo library to reclaim disk space while keeping all your images viewable.

🪜 How to Use This Tool

Drop your image
Upload a JPG, PNG, or WebP file by dragging it onto the drop zone or clicking to browse.

Adjust quality slider
Move the quality slider to find your preferred balance between file size and visual fidelity.

Preview before and after
Toggle the split view to compare the compressed result against the original side by side.

Download the result
Click download to save your compressed image — all processing happens locally in your browser.

Frequently Asked Questions

Is this image tool really free?▼

Yes. Every image tool is completely free. No signup, no account, no payment. All processing happens in your browser.

Are my images uploaded to a server?▼

No. All image processing happens locally in your browser. Your images never leave your device. This is especially important for sensitive photos, IDs, and personal documents.

How does the AI background remover work?▼

It uses the @imgly/background-removal library running an IS-Net neural network entirely in your browser via WebAssembly. First use downloads a ~10MB model (cached for future visits). No image data is sent to any server.

What file formats are supported?▼

JPEG, PNG, WebP, SVG, GIF, BMP, and HEIC. Conversion between all formats is supported. AI features work on JPEG and PNG inputs.

What is the maximum image size?▼

Images up to ~4000x4000px process smoothly on modern devices. Very large images may be slower. For batch processing, up to 20 images at a time is recommended.