File formats
Reference pages for image, animation, video, audio and document formats: what each one does, where it opens and which tool converts it.
Image formats
.jpg, .jpeg, .jpe · Lossy (DCT)
40 tools → What is a PNG file?.png · Lossless (Deflate)
42 tools → What is a WebP file?.webp · Both lossy and lossless
40 tools → What is an AVIF file?.avif · Lossy and lossless (AV1 core)
9 tools → What is a HEIC file?.heic, .heif · Lossy (HEVC/H.265 core)
4 tools → What is an SVG file?.svg, .svgz · None; it is XML text (.svgz is gzipped)
9 tools → What is a TIFF file?.tif, .tiff · Lossless (LZW/Deflate) or uncompressed
6 tools → What is a BMP file?.bmp, .dib · Usually none (optional RLE)
6 tools → What is an ICO file?.ico · A container holding PNG or uncompressed BMP layers
4 tools →Animation formats
Video formats
.mp4, .m4v · A container for H.264, H.265 or AV1 video with AAC audio
37 tools → What is a WebM file?.webm · A container for VP8/VP9/AV1 video with Vorbis or Opus audio
36 tools → What is a MOV file?.mov, .qt · A QuickTime container: H.264, HEVC or ProRes
36 tools → What is an MKV file?.mkv, .mka · A container for nearly any codec, with multiple audio and subtitle tracks
35 tools → What is an AVI file?.avi · An old RIFF container: DivX, Xvid, MJPEG
30 tools →Audio formats
.mp3 · Lossy, 96-320 kbps
21 tools → What is a WAV file?.wav, .wave · None; uncompressed PCM
20 tools → What is a FLAC file?.flac · Lossless
23 tools → What is an M4A file?.m4a · Lossy AAC (or lossless ALAC)
23 tools → What is an OGG file?.ogg, .oga, .opus · Lossy Vorbis or Opus
23 tools → What is an AAC file?.aac, .m4a · Lossy; the successor to MP3
17 tools →