You have an audio file —a meeting, a lecture, an interview, a voice note— and you want the text now, without installing software. To convert audio to text online, all you need is an AI audio to text converter that runs in your browser: upload the file and a few minutes later the text is ready to copy. Below you will find the steps, which formats work, what to do if the file is too big and what is genuinely free and without signup. If you want to know how it works under the hood, read our guide to transcribing audio to text with AI.
Quick answer:
- Open vocap.io in your computer or phone browser and create a free account: 15 minutes, no card.
- Upload the file as it is: MP3, M4A, WAV, OGG, OPUS, MP4 and more, up to 500 MB.
- Wait a few minutes: the AI detects the language by itself and transcribes.
- Copy the text or download it as Word or TXT, with a summary and tasks included.
Free and no signup? There are options, but with catches: we cover them below.
How to convert audio to text online, step by step
You do not need to install any program or extension: everything happens in the browser, on your computer or your phone.
Open VOCAP and create your account: Go to vocap.io in your computer or phone browser and sign up for free. You get 15 minutes of transcription without entering a card.
Upload the file: Drag the file in or pick it from your folders. MP3, M4A, WAV, OGG, OPUS, AAC, FLAC, MP4, MOV, WEBM and more are accepted, up to 500 MB, with no conversion needed.
Let the AI do the work: VOCAP detects the language automatically and, if the recording is long, splits it into chunks and joins the result. It usually takes a few minutes; the longer the audio, the longer it takes.
Review the text and the analysis: You get the full transcript plus a summary, the key points and the tasks mentioned in the recording.
Copy or download: Copy the text wherever you need it or download it as Word (.doc) or TXT.
If the file is on your phone, the process is the same; there are dedicated guides to transcribe audio on iPhone and transcribe audio on Android. For voice notes, see our guide to transcribing WhatsApp audio, which also covers the app's own transcription feature.
Formats and size: what to do if it is too big or will not open
VOCAP accepts the usual audio and video formats, so you almost never need to convert anything before uploading:
| File type | Formats | Where it usually comes from |
|---|---|---|
| Compressed audio | MP3, M4A, AAC, OGG | Phone voice memos, recorders, podcasts |
| Messaging voice notes | OPUS, OGG | WhatsApp, Telegram |
| Uncompressed audio | WAV, FLAC | Professional recorders, editing software |
| Video | MP4, MOV, WEBM | Recorded meetings, screen recordings, phone videos |
The limit is 500 MB per file. Length is not a problem: if the recording is long, VOCAP splits it into chunks, transcribes them and gives you back a single text. For recordings of several hours, see how to transcribe long audio files of 1, 2 or 3 hours.
If the file is larger than 500 MB
- If it is a video, keep only the audio: the picture is what takes up the space. You can export the audio as MP3 or M4A with free programs such as Audacity or VLC.
- If it is already audio, compress it: export it again as MP3 or M4A instead of WAV.
- If it is still huge, cut it: split it into two or three parts and upload them separately.
If the file will not upload or open
- Check that it plays: if it does not play on your computer or phone, the file is damaged or incomplete (this happens with interrupted downloads).
- Look at the extension: sometimes a file arrives with no extension or an unusual one. Opening it and exporting it again as MP3 usually fixes it.
- On a phone, save it first: save the audio to Files or your downloads folder and upload it from there.
If you have not recorded yet and are unsure how, see which audio format is best for transcription.
What you get besides the text
A basic speech-to-text tool only gives you the transcript. Alongside the full text, VOCAP analyzes the content with AI:
- Full transcript: everything that is said, as text you can edit and search with Ctrl+F.
- Summary: a few lines so you know what the recording is about without reading it all.
- Key points: the main topics, in order.
- Tasks: what someone committed to doing or asked to be done.
- Download: as Word (.doc) or TXT, or copy and paste into Google Docs, an email or your notes.
Tips for a clean transcript
The AI transcribes what it hears: the better the recording sounds, the less you will have to correct.
- Record close to the speaker: a phone next to the person picks up far better than one across the room.
- Avoid background noise and music: fans, cafés and background music make the result worse.
- One person at a time: people talking over each other is the hardest thing to transcribe.
- Upload the original file: no conversion needed; turning an MP3 into a WAV does not restore quality.
- Check names and numbers: they are the first thing worth checking in any automatic transcript.
If the recording is already made and has noise, echo or low volume, follow our guide to transcribing poor-quality audio with AI.
Can you convert audio to text for free and without signing up?
Honest answer: to transcribe a file that is already recorded, free and without signup at the same time, there are few real options and they all have catches. VOCAP is not signup-free: you register with your email and get 15 free minutes, no card. After that you pay only for what you use.
| Option | Free? | Works with an existing file? | Catches |
|---|---|---|---|
| Google Docs voice typing | Yes, with a Google account | No: it only listens to the live microphone | Chrome only; for a file you have to play it out loud and wait for its full length, and room noise gets in. |
| Phone transcription (Voice Memos on iPhone, recorder apps on some Android phones) | Yes, built into the phone | Mainly recordings made with that app | Depends on the model, the system version and the language; no summary or tasks. |
| WhatsApp transcription | Yes | Only voice notes inside WhatsApp | Depends on the device and the language; one message at a time. |
| VOCAP | 15 free minutes when you create an account, no card | Yes, any file up to 500 MB | Requires signup; after that, one-time packs. |
For more on voice typing and the trick of playing audio next to the microphone, see how to transcribe audio in Google Docs.
What about free and unlimited?
Be wary of promises of free, unlimited file transcription: processing audio with AI costs money, so those offers usually hide limits on length, size or usage. VOCAP has no subscription: you buy hours when you need them, as a one-time payment. 1 hour costs €2.99; 5 hours, €12.99; 12 hours, €24.99; and 30 hours, €39.99.
Privacy: what happens to your audio
Before uploading a recording, it is worth knowing who processes it:
- The audio is deleted: VOCAP deletes the audio file after processing it. What stays in your account is the text.
- Who processes it: to transcribe and analyze, VOCAP uses models from OpenAI (Whisper) and Anthropic, so the audio and the text pass through those providers to do the job.
- Recordings of other people: let the people you record know and, if the audio involves clients or patients, check that your organization allows this kind of service.
Frequently asked questions
How can I convert audio to text for free?
With VOCAP you get 15 free minutes when you create an account, no card: upload the file and receive the text with a summary and tasks. Other free options are Google Docs voice typing, which only picks up the live microphone, and the transcription built into some phones, which depends on the model and the language.
Can I transcribe audio to text without signing up?
For files that are already recorded, almost no reliable option works without an account: even Google Docs voice typing needs a Google account. VOCAP also requires an account, but it is free, needs no card and gives you 15 minutes to try it.
Which formats and file sizes does VOCAP accept?
MP3, M4A, WAV, OGG, OPUS, AAC, FLAC, MP4, MOV, WEBM and more, up to 500 MB per file. Long recordings are split into chunks automatically and you get a single text.
How much does it cost to convert audio to text with VOCAP?
The first 15 minutes are free. After that there are one-time packs with no subscription: 1 hour for €2.99, 5 hours for €12.99, 12 hours for €24.99 and 30 hours for €39.99.
Does it separate speakers or add timestamps?
No. VOCAP delivers the full transcript as running text, together with a summary, the key points and the tasks, but it does not separate speakers, does not add timestamps and does not translate.
What happens to my audio after it is transcribed?
The audio is deleted after processing and the text stays in your account. To transcribe and analyze, VOCAP uses models from OpenAI (Whisper) and Anthropic.