File Format Guide & Comparison

Learn about different file formats and compare their characteristics, use cases, and compatibility.

Audio Format Comparison

Format Compression Quality File Size Best Use Case Browser Support
MP3LossyGoodSmallMusic streaming, podcastsUniversal
WAVNoneExcellentLargeProfessional recordingGood
FLACLosslessExcellentMediumArchival, audiophileLimited
AACLossyVery GoodSmallMobile, streamingGood
OGGLossyVery GoodSmallWeb audio, gamingGood

Video Format Comparison

Format Codec Quality File Size Best Use Case Browser Support
MP4H.264/H.265ExcellentMediumWeb, mobile, streamingUniversal
WebMVP8/VP9Very GoodSmallWeb videoGood
AVIVariousGoodLargeLegacy systemsLimited
MOVVariousExcellentLargeProfessional editingLimited
MKVVariousExcellentVariableHigh-quality archivalLimited

Document Format Comparison

Format Type Editability Compatibility Best Use Case File Size
PDFFixed LayoutLimitedUniversalDocuments, forms, printMedium
DOCXWord ProcessingFullGoodDocument creation, editingSmall
TXTPlain TextFullUniversalSimple text, logs, codeVery Small
CSVDataFullUniversalData exchange, spreadsheetsSmall
JSONDataFullUniversalAPIs, configurationSmall

Image Format Comparison

Format Compression Transparency Animation Best Use Case Browser Support
JPEGLossyNoNoPhotos, complex imagesUniversal
PNGLosslessYesNoGraphics, screenshotsUniversal
GIFLosslessLimitedYesSimple animationsUniversal
SVGVectorYesYesIcons, scalable graphicsGood
WebPBothYesYesModern web imagesGood

Archive Format Comparison

Format Compression Ratio Speed Password Protection Best Use Case Platform Support
ZIPGoodFastYesGeneral purposeUniversal
7ZExcellentSlowYesMaximum compressionGood
TARNoneVery FastNoUnix/Linux archivalUnix/Linux
GZGoodFastNoSingle file compressionUnix/Linux
RARVery GoodMediumYesHigh compressionGood

Format Selection Helper

Not sure which format to choose? Answer these questions to get personalized recommendations: