Free browser tool transcribes audio and video in 90+ languages without signup

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Developer Nadia has launched MP3toText, a free browser-based transcription tool that converts audio and video files — including MP3, WAV, MP4, and MKV formats — into text without requiring an account. The tool supports speaker labeling, line-by-line timestamps, and subtitle export in SRT or VTT formats. It auto-detects the spoken language across more than 90 languages and accepts files up to 2GB or four hours in length. Users receive four hours of free transcription daily, with a cumulative cap of ten hours total, and uploaded files are automatically deleted after 24 hours. Accuracy is reported at around 99% for clear speech, though performance may drop with accents, background noise, or overlapping speakers.

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