Supported Filetypes
This is a list of all filetypes Hydrus can import. Hydrus determines the filetype based on examining the file itself rather than the extension or MIME type.
Images
| Filetype |
Extension |
MIME type |
Thumbnails |
Viewable in Hydrus |
Notes |
| jpeg |
.jpeg |
image/jpeg |
✅ |
✅ |
|
| png |
.png |
image/png |
✅ |
✅ |
|
| static gif |
.gif |
image/gif |
✅ |
✅ |
|
| webp |
.webp |
image/webp |
✅ |
✅ |
Animated webp files will display as static |
| tiff |
.tiff |
image/tiff |
✅ |
✅ |
|
| qoi |
.qoi |
image/qoi |
✅ |
✅ |
Quite OK Image Format |
| icon |
.ico |
image/x-icon |
✅ |
✅ |
|
| bmp |
.bmp |
image/bmp |
✅ |
✅ |
|
| heif |
.heif |
image/heif |
✅ |
✅ |
|
| heic |
.heic |
image/heic |
✅ |
✅ |
|
| avif |
.avif |
image/avif |
✅ |
✅ |
|
Animations
| Filetype |
Extension |
MIME type |
Thumbnails |
Viewable in Hydrus |
Notes |
| animated gif |
.gif |
image/gif |
✅ |
✅ |
|
| apng |
.apng |
image/apng |
✅ |
✅ |
|
| heif sequence |
.heifs |
image/heif-sequence |
✅ |
✅ |
|
| heic sequence |
.heics |
image/heic-sequence |
✅ |
✅ |
|
| avif sequence |
.avifs |
image/avif-sequence |
✅ |
✅ |
|
Video
| Filetype |
Extension |
MIME type |
Thumbnails |
Viewable in Hydrus |
Notes |
| mp4 |
.mp4 |
video/mp4 |
✅ |
✅ |
|
| webm |
.webm |
video/webm |
✅ |
✅ |
|
| matroska |
.mkv |
video/x-matroska |
✅ |
✅ |
|
| avi |
.avi |
video/x-msvideo |
✅ |
✅ |
|
| flv |
.flv |
video/x-flv |
✅ |
✅ |
|
| quicktime |
.mov |
video/quicktime |
✅ |
✅ |
|
| mpeg |
.mpeg |
video/mpeg |
✅ |
✅ |
|
| ogv |
.ogv |
video/ogg |
✅ |
✅ |
|
| realvideo |
.rm |
video/vnd.rn-realvideo |
✅ |
✅ |
|
| wmv |
.wmv |
video/x-ms-wmv |
✅ |
✅ |
|
Audio
| Filetype |
Extension |
MIME type |
Viewable in Hydrus |
Notes |
| mp3 |
.mp3 |
audio/mp3 |
✅ |
|
| ogg |
.ogg |
audio/ogg |
✅ |
|
| flac |
.flac |
audio/flac |
✅ |
|
| m4a |
.m4a |
audio/mp4 |
✅ |
|
| matroska audio |
.mkv |
audio/x-matroska |
✅ |
|
| mp4 audio |
.mp4 |
audio/mp4 |
✅ |
|
| realaudio |
.ra |
audio/vnd.rn-realaudio |
✅ |
|
| tta |
.tta |
audio/x-tta |
✅ |
|
| wave |
.wav |
audio/x-wav |
✅ |
|
| wavpack |
.wv |
audio/wavpack |
✅ |
|
| wma |
.wma |
audio/x-ms-wma |
✅ |
|
Applications
| Filetype |
Extension |
MIME type |
Thumbnails |
Viewable in Hydrus |
Notes |
| flash |
.swf |
application/x-shockwave-flash |
✅ |
❌ |
|
| pdf |
.pdf |
application/pdf |
✅ |
❌ |
300 DPI assumed for resolution. No thumbnails for encrypted PDFs. |
Image Project Files
| Filetype |
Extension |
MIME type |
Thumbnails |
Viewable in Hydrus |
Notes |
| psd |
.psd |
image/vnd.adobe.photoshop |
✅ |
✅ |
Adobe Photoshop |
| clip |
.clip |
application/clip |
✅ |
❌ |
Clip Studio Paint |
| sai2 |
.sai2 |
application/sai2 |
❌ |
❌ |
PaintTool SAI2 |
| krita |
.kra |
application/x-krita |
✅ |
❌ |
Krita |
| svg |
.svg |
image/svg+xml |
✅ |
❌ |
|
| xcf |
.xcf |
application/x-xcf |
❌ |
❌ |
GIMP |
| procreate |
.procreate |
application/x-procreate |
✅ |
❌ |
Procreate app |
Archives
| Filetype |
Extension |
MIME type |
Notes |
| 7z |
.7z |
application/x-7z-compressed |
|
| gzip |
.gz |
application/gzip |
|
| rar |
.rar |
application/vnd.rar |
|
| zip |
.zip |
application/zip |
|