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format

WAV

WAV stores uncompressed PCM audio at full quality and full size.

Also known as Waveform Audio File Format.

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What is a WAV file?

A RIFF container usually holding raw PCM samples — the standard interchange format in recording and editing.

Technical characteristics

Representation
binary
Compression
None (PCM)
Lossy
No
Typical size
10 MB per minute at CD quality
Open specification
Yes

History and origin

Introduced
1991
Created by
Microsoft and IBM

Compatibility

  • Windowsfull
  • macOSfull
  • Linuxfull
  • Androidfull
  • iOSfull

Browsers: Chrome, Firefox, Safari, Edge.

Advantages of WAV

  • Bit-perfect audio
  • Zero decode cost
  • Universal in audio production

Limitations to know about

  • Very large
  • Weak metadata support
  • 4 GB size ceiling in the classic format

When to use WAV

  • Recording and mixing
  • Sample libraries
  • Mastering

Convert WAV files

Recommended next step

  • Convert to FLAC

    FLAC stores identical audio at roughly half the size of WAV and supports proper tagging, which makes it the better archive master.

    Trade-offs: A few older car and hi-fi players do not read FLAC.

    Learn about FLAC

WAV scores

Deterministic scores calculated from the structured facts above. Identical facts always produce identical scores.

Overall score

74/100

  • Openness score

    100
    • the specification is published openly
    • an openly specified format can be implemented without a licence negotiation

    Confidence 49% · evidence coverage 100%

  • Archiving score

    97
    • the specification is public, so a decoder can always be rebuilt
    • the specification is published openly
    • it is actively maintained and current
    • an openly specified format can be implemented without a licence negotiation

    Confidence 62% · evidence coverage 89%

  • Longevity score

    92
    • it is actively maintained and current
    • the specification is published openly
    • the specification is public, so a decoder can always be rebuilt
    • it sits at the centre of the format ecosystem, with many documented relationships

    Confidence 62% · evidence coverage 100%

  • Compatibility score

    80
    • every major browser engine renders it natively
    • Windows, macOS, Linux, Android and iOS all open it without extra software
    • an open specification means cloud SDKs can implement it without licensing friction
    • it opens by double-clicking on every mainstream device
    • only a narrow set of applications handles it

    Confidence 70% · evidence coverage 100%

  • AI score

    72
    • open specifications are implemented by the open-source decoders that ML stacks rely on
    • the specification is published openly
    • only a narrow set of applications handles it
    • large lossless payloads cost bandwidth and memory

    Confidence 47% · evidence coverage 100%

  • Web score

    67
    • every major browser engine renders it natively
    • browsers render it natively, so no conversion step is needed at request time
    • the specification is published openly
    • it stores data losslessly, so files stay large
    • large lossless payloads cost bandwidth and memory

    Confidence 62% · evidence coverage 92%

  • Printing score

    62
    • lossless data means no compression artefacts appear at print resolution
    • only a narrow set of applications handles it

    Confidence 50% · evidence coverage 50%

  • Photography score

    56
    • lossless data survives repeated open-edit-save cycles without degrading
    • it opens by double-clicking on every mainstream device
    • it stores data losslessly, so files stay large

    Confidence 52% · evidence coverage 44%

  • Editing score

    51
    • lossless data survives repeated open-edit-save cycles without degrading
    • only a narrow set of applications handles it

    Confidence 46% · evidence coverage 63%

  • Streaming score

    49
    • every major browser engine renders it natively
    • it stores data losslessly, so files stay large
    • large lossless payloads cost bandwidth and memory

    Confidence 64% · evidence coverage 100%

  • Performance score

    35
    • it stores data losslessly, so files stay large
    • large lossless payloads cost bandwidth and memory

    Confidence 57% · evidence coverage 100%

What WAV is recommended for

Every conclusion below is derived from the structured facts on this page — nothing is written by hand.

  • Browser compatibility100/100

    • Because every major browser engine renders it natively.
    • Because at least one shipping browser renders it.

  • Operating system compatibility100/100

    • Because Windows, macOS, Linux, Android and iOS all open it without extra software.
    • Because most platforms handle it natively.

  • Cloud compatibility100/100

    • Because an open specification means cloud SDKs can implement it without licensing friction.
    • Because it converts into many other formats, which suits automated pipelines.

  • Long-term archiving100/100

    • Because the specification is public, so a decoder can always be rebuilt.
    • Because lossless storage preserves the original data for future migrations.
    • Because it is a current, actively maintained format.

  • Open standards100/100

    • Because the specification is published openly.

  • Licensing100/100

    • Because an openly specified format can be implemented without a licence negotiation.
    • Because the core patents are old enough to have expired.

  • Future-proofing88/100

    • Because it is actively maintained and current.
    • Because open specifications outlive the companies that create them.
    • Because nothing in the graph supersedes it yet.

  • AI compatibility75/100

    • Because open specifications are implemented by the open-source decoders that ML stacks rely on.
    • Because lossless pixels avoid compression artefacts leaking into training data.

  • Everyday consumer usage75/100

    • Because it opens by double-clicking on every mainstream device.
    • Because it is a current format that people and services still expect.

  • Printing suitability71/100

    • Because lossless data means no compression artefacts appear at print resolution.

  • Popularity71/100

    • Because it sits at the centre of the format ecosystem, with many documented relationships.
    • Because every mainstream operating system handles it.
    • Because it is still current rather than being phased out.

What WAV is not recommended for

  • Compression efficiency23/100

    • Because it stores data losslessly, so files stay large.
    • Because its codec generation predates modern entropy coding and block partitioning.

  • Software compatibility33/100

    • Because only a narrow set of applications handles it.

Related to WAV

File extensions

Compared with

Data quality

Every claim on this page is classified as a verified fact, a derived fact or an assumption.

Overall confidence
83%
Verification status
verified
Last reviewed
2026-08-03
Verified facts
2

2 classified claims backed by 1 source.

  • Convert Always editorial review — Convert Always

Sources and review status

Review status: verified · confidence 80%

Last reviewed 2026-08-03 (revision 1).

  • Convert Always editorial review — Convert Always