Compress Images Online
Image Tool
Reduce image file size by up to 80% without visible quality loss. Before/after comparison slider. Supports JPG, PNG, WebP. Everything runs in your browser.
Coming Soon— This tool is being built. All processing will be 100% client-side.
No uploads
Files never leave your device
Instant
Runs in your browser
Private
Your files stay on your device
How to Use Image Compressor
- 1
Upload your image
Click or drag and drop. Supports JPG, PNG, and WebP up to 100MB.
- 2
Adjust compression
Use the quality slider to balance file size vs quality. See before/after comparison in real time.
- 3
Download compressed image
Click download to save the optimized image. See exactly how much space you saved.
Why Use Our Image Compressor?
100% free, no limits or watermarks
Files never leave your device
Up to 80% file size reduction
Before/after quality comparison
Adjustable compression level
Supports JPG, PNG, WebP
Batch compression available (Club)
Works offline after first visit
Frequently Asked Questions
How much can images be compressed?▼
Typically 50-80% file size reduction with no visible quality loss. Results vary by image content — photos compress more than graphics.
Are my images uploaded to a server?▼
No. All compression happens in your browser using Canvas API and MozJPEG (WASM). Files never leave your device.
Does compression reduce quality?▼
With smart compression, quality loss is imperceptible. The before/after slider lets you verify visually before downloading.
What formats are supported?▼
JPG/JPEG, PNG, and WebP. Each format uses optimized compression algorithms.
Can I compress multiple images?▼
Batch compression is available with totakit Club. Free tier handles one image at a time.
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