Choose an image
Select a JPG, PNG or WebP file up to 20 MB and 16 million pixels.
Compress Image to KB
Reduce JPG, PNG or WebP images below a chosen file-size limit, with measured output sizes.
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What is Compress Image to KB?
Compress Image to KB is a free online image tool from GigaTools. Reduce JPG, PNG or WebP images below a chosen file-size limit, with measured output sizes. It runs entirely in your web browser, so nothing is uploaded and it works on any device without installing software.
Usos habituales
- Reduce JPG, PNG or WebP images below a chosen file-size limit, with measured output sizes.
- Prepare files without uploading them to a server
Cómo funciona
How to use Compress Image to KB
Set the size limit
Enter your maximum in KB. Choose whether dimensions may shrink to reach it.
Inspect the result
Compare the preview and measured output size, then download the JPG.
FAQ
Información útil
How do I use Compress Image to KB?
1. Choose an image: Select a JPG, PNG or WebP file up to 20 MB and 16 million pixels. 2. Set the size limit: Enter your maximum in KB. Choose whether dimensions may shrink to reach it. 3. Inspect the result: Compare the preview and measured output size, then download the JPG.
Will the result be exactly the requested KB?
No. It aims for a file below the limit, not a padded file of exactly that size. KB means 1,000 bytes. The result displays exact bytes; compression is lossy.
What are the limits?
JPG, PNG or WebP only. Each input is limited to 20 MB and 16 million pixels. Output is limited to 16 million pixels; contact sheets accept up to 12 files.
Are images uploaded?
No. File processing stays in your browser. This does not remove all third-party requests made by the website.
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