buncha/image/bulk-extension-changer

Bulk Extension Changer

Bulk File Extension Changer

Change the file extension on multiple files at once.

⚠ This only renames extensions. It does NOT convert the file format. A renamed .jpg file is still a PNG inside — just with a wrong label. If you need actual format conversion (real JPG ↔ PNG ↔ WebP), use the Bulk Image Converter.

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Drop files here or click to select

Files are processed in your browser. Nothing uploaded.

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About Bulk Extension Changer

Swap file extensions in bulk without re-encoding the contents.

Like every tool on Buncha, this one runs entirely in your browser. There's no upload, no log, no record of what you've pasted or generated. Close the tab and the data is gone.

↳ Have feedback or found a bug? hello@buncha.tools