Client-Side Image Compressor
Reduce photo file sizes up to 80% with visual quality sliders.
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About This Tool
Large photos slow down websites, fill up email attachment limits, and eat storage. This compressor shrinks image file size by re-encoding the picture at a quality level you control, watching the live preview to find the smallest file that still looks good. Because it runs locally, there is no wait for an upload and no risk of your photo sitting on someone else's server.
How to Use Client-Side Image Compressor
- Upload the photo you want to shrink.
- Drag the quality slider and watch the live preview update.
- Download the compressed image once you're happy with the size-to-quality balance.
Frequently Asked Questions
What is a good quality setting?
Between 60-80% quality usually gives a large size reduction with little to no visible quality loss for photos.
Does this resize the image dimensions too?
The preview is scaled for display, but you control the actual output quality via the slider; for a specific target resolution, use it alongside an image resizing step.
Is it safe for private photos?
Yes — nothing is uploaded. Compression happens entirely on your device.