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utils.sbs

Image tool

Compress Image to Size

Hit a target file size using an automatic quality search.

Runs on-deviceNo sign-upFree
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Compress Image to Size workspace

Workspace

Compress Image to Size

Runs locally

Drop an image here

or · PNG, JPG, WebP

KB

Images are decoded and transformed with the Canvas API in this tab. Nothing is sent over the network.

Your image preview will appear here.

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

Compress Image to Size is a free browser-based image tool. Hit a target file size using an automatic quality search. It runs with the Canvas API locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is Compress Image to Size?

Compress Image to Size is a free browser-based image tool from utils.sbs. Hit a target file size using an automatic quality search. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

CategoryImage
InputPNG, JPEG, WebP or another browser-decodable image
OutputA processed image or archive in the selected output format
Enginethe Canvas API
ProcessingIn your browser
PriceFree
AccountNot required

How Compress Image to Size works

Images are decoded and transformed with the Canvas API. Filters, resizing and format conversion happen locally, so the source file is never sent over the network.

How to use Compress Image to Size

  1. 1Open Compress Image to Size and add your input.
  2. 2Adjust the options: target size, output format.
  3. 3Run the tool, check the preview or result, and download the output.

When to use Compress Image to Size

  • Prepare an image for a website, email or social post.
  • Convert between modern image formats without a desktop editor.
  • Reduce file size or crop a screenshot before sharing it.

Inputs and options

Target size
Enter a numeric value in KB.
Output format
Choose one of 2 options.

Limitations

Very large images can hit the device's memory limit, and output quality depends on the browser's canvas encoder.

Privacy and accuracy

Compress Image to Size processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ

Compress Image to Size questions

  • What can I do with Compress Image to Size?

    Hit a target file size using an automatic quality search. Compress Image to Size is part of the Image shelf on utils.sbs and is designed for quick, one-off tasks.

  • Is Compress Image to Size free to use?

    Yes. Compress Image to Size is free, requires no account, and has no per-file or per-use charge.

  • Are my files uploaded when I use Compress Image to Size?

    No. Compress Image to Size is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

  • What formats does Compress Image to Size support?

    It accepts common browser image formats such as PNG, JPEG and WebP, and lets you download the processed image in the output format you choose.

  • Can I use Compress Image to Size on my phone?

    Yes. Compress Image to Size is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

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