Audio to Text

MP3, WAV, M4A, WebM, OGG, FLAC, and MP4 audio tracks. Most common audio formats work.

Yes, 25MB maximum per file. This is the limit of the Whisper AI model. For larger files, try trimming or compressing first.

Powered by OpenAI Whisper, one of the most accurate speech recognition models available. Accuracy is highest for clear English speech and decreases with heavy accents, background noise, or overlapping speakers.

Yes. Whisper supports 90+ languages. In Transcribe mode, it outputs text in the original language. In Translate mode, it converts any language to English.

Translate mode transcribes audio in any language and outputs the text in English. Useful for understanding foreign-language content.

Yes, your audio is sent to our secure server and forwarded to OpenAI's Whisper API for processing. Files are not stored after transcription.

Yes. Every transcript includes segment-level timestamps. Click any timestamp to jump to that point in the audio player.

TXT (plain text), SRT (SubRip — compatible with most video editors), and VTT (WebVTT — for web video players).

Otter and Rev offer live transcription and speaker diarization. Our tool focuses on single-file transcription with timestamps and subtitle export — free, no signup, no subscription. For most one-off transcriptions, it covers what you need without creating an account.

This tool works with uploaded audio files. For YouTube videos, use our <a href="/ai/video/youtube-summarizer">YouTube Summarizer</a> which extracts captions directly from the video URL and generates structured summaries with timestamps.

Yes. Upload files from your phone gallery or Files app. The interface is fully responsive. Processing happens on our server, so device performance does not affect transcription speed.

Your audio file is sent to our server, forwarded to OpenAI Whisper for processing, and immediately discarded. We do not store audio files. The transcript is returned to your browser and never saved on our end.

Yes. Copy the transcript and paste it into our <a href="/ai/tts">Text to Speech</a> tool to generate audio in a different voice or language. Useful for creating voiceovers from interview transcripts or meeting notes.

Typically 10-30 seconds depending on file length. A 5-minute audio clip usually finishes in about 15 seconds. The elapsed timer shows real-time progress during processing.