Powered by Claude AI + AssemblyAI

Free AI
Audio Summarizer

Upload any audio file and get an instant AI transcription and summary. Podcasts, meetings, interviews, lectures — understood in seconds.

Summarize Audio Free See how it works
MP3 · WAV · M4A · AAC All major formats
10 min → 30 sec Transcription speed
Any Length No file size limit

Features

Everything you need
from audio AI

No accounts. No subscriptions. Drop a file, ask a question, get an answer.

Record & Analyze

Record directly in the app — no separate software needed. Hit record, speak, stop, and get your summary instantly.

Any Audio Format

MP3, WAV, M4A, AAC — all supported. Upload from your device or paste a URL. Works with recordings from any platform.

Fast Transcription

A 10-minute audio file transcribed in under 30 seconds. Powered by AssemblyAI's state-of-the-art speech recognition engine.

Ask Anything

Once transcribed, ask Claude AI anything — extract action items, decisions, key quotes, or a sharp concise summary.

How it works

Three steps to clarity

From raw audio to actionable insight in less than a minute.

01

Upload or Record Audio

Drop an MP3, WAV, M4A or AAC file, paste a URL, or record directly in the app with one click.

02

Ask Anything

Type your question — "summarize this", "list the action items", "what decisions were made?" — in plain language.

03

Get Answers

AssemblyAI transcribes the audio and Claude AI reads it, giving you precise, structured answers in seconds.

FAQ

Common questions

Apatizer supports MP3, WAV, M4A, and AAC files — the most common audio formats from phones, laptops, recorders, and editing software. If you recorded it anywhere, we can read it.
A 10-minute audio file typically transcribes in under 30 seconds with AssemblyAI. Longer files scale proportionally — a one-hour recording is usually done in a few minutes.
Yes. Apatizer has a built-in recorder — click the microphone button, speak, stop, and ask your question. No separate app or file needed. Works in any modern browser.
Absolutely. Export your Zoom, Teams, or Google Meet recording as an MP3 or M4A, upload it, and ask for a summary, action items, or any specific information. Ideal for async teams.

Your audio,
fully understood.

No sign-up. No subscription. Drop your file and ask anything.

Try It Free — No Sign-up