Image Compressor — Compress JPEG/PNG Online Free (No Upload)
Need to compress an image without losing quality? Our free online image compressor reduces file size with a real-time preview slider. No upload to servers, no signup, works instantly in your browser.
Compress Image Now →How to Compress Images Online
- Open the Image Compressor
- Upload your JPG or PNG image
- Drag the quality slider to preview the result in real-time
- Download your compressed image
Why Use Our Compressor?
- Real-Time Preview — See the compressed result before downloading
- Browser-Based — All processing happens locally, no server upload
- Lossless Option — Choose between lossy compression and visual lossless
- Supports JPG & PNG — Most common formats covered
Common Scenarios
- Website Performance — Reduce image sizes for faster page loads
- Email Attachments — Compress photos to meet attachment size limits
- Social Media — Optimize images for faster uploads
FAQ
- Does compression reduce quality?
- You control the balance. Lower compression = smaller file, minimal visible quality loss.
- What formats are supported?
- JPG and PNG input. Output format matches the input.
- Is my image uploaded to a server?
- No. All processing happens in your browser using Canvas API.
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