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JPG to JPEG

Change .jpg files to .jpeg for free, without changing a pixel. Many at once, with no upload or sign-up.

Files stay on your device

Drop images to convert them to JPG

Add one or as many as you like. They're converted on your device, so nothing is uploaded.

PNG, JPG, WebP, HEIC, AVIF, SVG, BMP, and GIF. As many as you like, or a whole folder.

Convert to
Opens everywhere, and photos come out small. JPG has no transparency.
Format
Quality
90%

Lower makes smaller files. A picture that's already a JPG is kept as it is.

Transparent areas

How to convert JPG to JPEG

JPG and JPEG are the same format with two spellings of the extension. When a form or an app only takes .jpeg, add your .jpg files here and download them as .jpeg. Nothing is re-encoded, so the pictures are exactly as they were. PNG, HEIC, and other pictures are converted to JPEG too.

  1. Step 1

    Choose your JPG files
    Pick one or many, or drop them into the converter above.
  2. Step 2

    Keep JPEG
    Each JPG gets a .jpeg name with nothing re-encoded.
  3. Step 3

    Download the JPEGs
    Save each one, or all of them in a ZIP.

What to expect

Supported inputs
JPG files, and any other picture, which is converted to JPEG.
What happens
A JPG is saved under a .jpeg name with its bytes untouched. Other formats are converted to JPEG at 90% quality.
Limits
None for JPG files: they only get a new name. Pick a size target on the compressor if a form also limits the size in KB.

Private by design

Your images stay on your device

Mastershot processes your file locally in this browser. It does not need to be uploaded to a server, and you do not need an account to use the tool.

  • No upload
  • No signup
  • No watermark

Questions

Yes. They're the same format; old Windows versions only allowed three-letter extensions, so .jpg stuck.

No. The file isn't re-encoded; only the name changes.

Yes, on the image compressor: set 300 KB and choose JPG. A JPG that's already small enough only needs the new name here.