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
Last update:
September 13, 2023