JPG to JPEG Converter - Rename JPG to JPEG Instantly & Privately

Convert JPG (.jpg) files to JPEG (.jpeg) format instantly in your browser. 100% local, lossless extension change with no file re-encoding.

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Drop images here
Supports JPG, PNG, WebP, GIF, BMP, and SVG. Select multiple files; images are not uploaded.

Add images, choose a target format, then start local conversion.

All images are processed locally in your browser and are not uploaded.

Original and output previews will appear here after you add and convert images.

How to Use

  1. Upload JPG: Select or drop your `.jpg` file.
  2. Preset Ready: The conversion defaults to JPEG extension output.
  3. Trigger Conversion: Click convert to rename files instantly.
  4. Download JPEG: Save the renamed file to your device.

Core Features

  • 100% Lossless Transfer: No re-encoding or canvas pixel compression. The tool adjusts the container suffix without losing any image details.
  • 100% Private: Your graphics are processed entirely in-browser. No files leave your device.
  • Solve Upload Failures: Bypasses rigid upload forms on platforms that only accept `.jpeg` files.
  • Free with No Limits: 100% free with no registration or limits.

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Calculation Logic

JPEG and JPG are identical image formats. This tool copies the binary blob dynamically and exports it under the `.jpeg` suffix.

FAQ

Is there any loss in image quality?

None. Because the raw file data is copied directly without re-compression, this is a mathematically lossless change.