Reduce image size
Bring your photo's file size down to the KB value you need. Upload to forms, email and websites without hitting size limits; your images never leave your device.
Free · No sign-up · Runs in your browser
- Choose images to compress.
Your files are never uploaded; everything runs in your browser.
How to use
- Choose the images you want to compress or drag and drop them.
- Pick the output format and quality; set a maximum width if needed.
- Check each file's size before and after, and the saving.
- Download the files one by one or all at once as a ZIP.
Highlights
- Batch compression for JPG, PNG and WEBP.
- Quality and maximum width controls.
- If a file would get bigger, the original is kept.
- Files are never uploaded; everything runs in your browser.
Frequently asked questions
How do I reduce a photo to a specific size in KB?
Choose By target size and enter the KB value you need (e.g. 200). The tool adjusts the quality automatically until the file fits under that limit. The output is JPG, which most forms accept.
What if the target size can't be reached?
For a very large photo and a very small target, lowering quality alone may not be enough. Also reduce the pixel dimensions with the Max width setting (e.g. 1280 px).
Will the photo look worse?
With reasonable targets (e.g. 3 MB down to 300 KB) the difference is barely visible. Very small targets lose more detail; the list shows each file's new size before you download.
Are my photos uploaded anywhere?
No. Compression runs entirely in your browser; your photos are never sent to a server.
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