Help: Supported Filetypes

e621 supports the following file types upon upload.

Maximum dimensions: 15000px in either direction.

TypeDeprecatedMaximum FilesizeNotes
PNGNo100 MiB
APNGNo20 MiBFiletype has to be .png instead of .apng.
Extension can be simply renamed as both are valid extensions.
WebMNo100 MiBVP9 with Opus for audio preferred, VP8 and Vorbis supported. Matroska container (.mkv) not supported.
Should be YUV420 8bit, audio either mono or stereo and 48KHz/44.1KHz, shouldn't be anamorphic. Files other than this are subject for deletion as broken/corrupted.
SWF (Flash)YesNo longer accepted as upload format. See forum #283261 for more information.