Image Compressor
Shrink the file size of any JPG, PNG, or WebP image without a big drop in quality. Runs entirely in your browser, nothing is uploaded.
Click or drag an image here
JPG, PNG, or WebP, one file at a time
Compressing an image reduces its file size while keeping the same dimensions and, as much as possible, the same visual quality. This tool does that by re-encoding your image using a smarter, more efficient compression algorithm, running entirely inside your browser through a WebAssembly powered engine. That means there is no upload wait and no copy of your original file ever leaves your device.
After choosing an image, use the quality slider to control the trade off between file size and visual detail. A higher quality setting keeps more visual detail but produces a larger file, while a lower setting shrinks the file further at the cost of some sharpness, most noticeable on close inspection or when zoomed in. For most photos shared online, a quality setting between 60 and 80 gives a strong balance between a small file size and a result that still looks sharp on screen.
Once you click Compress Image, the tool processes the file locally and shows you the new file size along with the percentage saved compared to the original. You can then download the compressed version directly, ready to upload to a website, attach to an email, or share without hitting a file size limit.
This tool is commonly used to speed up website load times by shrinking large photos before uploading them, to fit an image under an email attachment or form upload limit, or simply to save storage space without needing to install any desktop software. Because everything runs locally, it is also safe to compress images containing private or sensitive content, since nothing is sent to an external server.
Will compressing an image reduce its dimensions?+
No, the width and height stay the same. Only the file size changes, based on how much visual detail is kept during compression.
What quality setting should I use?+
For most photos shared online, a setting between 60 and 80 gives a good balance between file size and visual quality. Lower it further if file size matters more than sharpness.
Does this work on PNG files too?+
Yes, JPG, PNG, and WebP are all supported, though PNG files with lots of flat color tend to compress less than photographs.
Is my image uploaded to a server?+
No. Compression happens locally in your browser using a WebAssembly based engine. The image never leaves your device.