Cobalt Tools UploadReady

Upload-ready image tool

Compress PNG to 100KB

PNG files can be hard to fit into strict upload limits. This preset converts to JPG, fills transparency with white and targets a 100KB result.

PNGJPGWEBPHEIC/HEIF best-effort
  1. 1. Select image

    Drop a file or choose one from your device.

  2. 2. Adjust preset settings

    Change KB, dimensions, crop or format if needed.

  3. 3. Download result

    Preview the new file before saving it.

Browser processing

PNG to 100KB

To reliably hit 100KB, PNG files are converted to JPG and transparency becomes white.

Original preview

Upload a file to preview it here.

Result preview

Processed image appears here before download.

How to use this tool

  1. 1

    Upload the PNG.

  2. 2

    The tool converts it to JPG and compresses it.

  3. 3

    Download the smaller file.

Useful for

  • Portal uploads
  • Logo previews
  • Small screenshots

Preset settings

target
100KB
output
JPG
conversion
PNG to JPG

Where are my files and text processed?

Processing takes place locally in your browser. Your selected files and text stay on your device during processing.

Is this tool free to use?

Yes. Use this tool for free, directly in your browser, without an account.

How do I save the result?

Use the download or copy action in the workspace once your result is ready.

Related UploadReady tools

These internal links point to nearby presets that solve similar upload-size, dimension or conversion tasks.

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