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extension

.mp3

The .mp3 file extension identifies MP3 files.

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What this identifier means

Files ending in .mp3 are MP3: A perceptual audio codec that discards masked frequencies to reach roughly a tenth of CD size.

.mp3 scores

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

Overall score

83/100

  • Archiving score

    100
    • it is a current, actively maintained format
    • it is actively maintained and current

    Confidence 36% · evidence coverage 56%

  • Longevity score

    89
    • it is actively maintained and current
    • it is a current, actively maintained format
    • it occupies a niche corner of the ecosystem

    Confidence 38% · evidence coverage 75%

Related to .mp3

File extensions

Data quality

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

Overall confidence
90%
Verification status
verified
Last reviewed
2026-08-03
Verified facts
1

1 classified claim backed by 1 source.

Sources and review status

Review status: verified · confidence 90%

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