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Pricing Blog

GIF to THM

Looking to convert GIF to THM? Here's the honest answer — and what works instead.

There's no real "convert GIF to THM" — a THM file is simply a JPEG thumbnail a camera writes alongside a photo or video.

About THM files

1

THM is a JPEG with a different extension

A .thm file is a small JPEG thumbnail cameras save next to a photo or video so devices can preview it quickly. Its contents are identical to a JPG — only the extension differs.

2

Nothing needs converting to it

Because THM is created automatically by the camera, there's no use case for turning a GIF into one. If you have a THM, just rename or convert it to .jpg to view it.

What you can do instead

Convert GIF to JPG

A small, universal photo format that opens everywhere.

GIF → JPG

Convert GIF to PNG

Lossless with transparency — perfect for graphics, logos and screenshots.

GIF → PNG

Convert GIF to WEBP

A modern format with small files at high quality for the web.

GIF → WEBP
Private — never stored Fast & secure Unlimited & free

Related free tools

Video to GIFFree toolMP4 to GIFFree toolGIF to MP4Free toolAPNG to GIFFree tool
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Format details

GIF is a 256-color raster format that supports simple looping animation — widely used for reactions, stickers and short clips.

Full nameGraphics Interchange Format
Developed byCompuServe
Released1987
Extension.gif
MIME typeimage/gif
TransparencyYes (1-bit)

GIF opens in every browser and image viewer.

THM is a small JPEG thumbnail saved alongside camera photos and videos — really a JPEG with a different extension.

Full nameThumbnail Image
Developed byCamera makers
Released—
Extension.thm
MIME typeimage/jpeg
TransparencyNo

Rename or convert THM to .jpg to open it anywhere.

Frequently asked questions

Rename it to .jpg, or convert it — it's a JPEG, so any image viewer will then open it.

There's no point: THM is just a camera's JPEG thumbnail. If you need a thumbnail-style image, convert GIF to JPG.

GIF converts to JPG, PNG, WEBP, PDF and more — free and instant.

Popular free tools

Video to GIFMP4 to GIFGIF to MP4APNG to GIFImage to GIFGIF Compressor