THM is a small JPEG thumbnail saved alongside camera photos and videos — really a JPEG with a different extension.
Rename or convert THM to .jpg to open it anywhere.
Share, post and embed pictures across sites and apps.
Work with the format in editors like Photoshop and GIMP.
Keep memories and assets in a widely-readable form.
| ✔ Strengths | ✖ Limitations |
|---|---|
| Purpose-built for its niche | No transparency support |
Convert, compress and edit — free, in your browser.
Remove the background from THM images, upscale to 4K, or generate new visuals with SharkFoto AI.
THM is a small JPEG thumbnail saved alongside camera photos and videos — really a JPEG with a different extension.
Rename or convert THM to .jpg to open it anywhere.
THM is optimised for its specific use rather than strictly lossless storage.
Use SharkFoto's free tools — upload your THM file and convert it to a more convenient format in seconds. It's free, processed securely and never stored.
No — THM doesn't store transparency; convert to PNG or WEBP if you need it.