Compress images to a target size

Tool guide

Compress images to a target size

Iteratively adjust JPEG quality and dimensions to approach a target size in KB. Every file is processed in the current browser and is never uploaded to HarnessTrail.

What it is useful for

Upload size limits
ID photo submission
Forum avatars

Supported formats

Input: JPG, JPEG, JFIF, PNG, WebP, AVIF, GIF, SVG, BMP, ICO, HEIC, HEIF, PSD, TIFF and TGA (decoding support depends on the browser)
Output: JPG

How to use it

01Add the files you want to process with Compress images to a target size. You can select multiple files or a folder.
02Adjust the settings on the right and inspect the source and expected result in the preview.
03Start processing, then download individual results, create a ZIP, or send image results to another tool.

Compatibility and limits

Highly detailed images may not hit the exact target; the result reports whether it was reached.
Very large files depend on device memory, browser codecs and the 64-megapixel safety limit.

Frequently asked questions

Are files uploaded?

No. Reading, processing and exporting all happen locally in your browser.

Does Compress images to a target size support batches?

Independent tools process files one by one. Combination tools such as stitching, comparison, GIF and PDF process the selected group together.