Manual transcription is slow, pricey and—let’s be honest—boring.
This guide shows you the fastest free way to turn any MP3 file—podcasts, lectures, downloaded YouTube audio—into searchable text with AI.
✅ Why Convert MP3 to Text?
- Searchability – instantly locate quotes, timestamps and keywords.
- Note-taking – skim long recordings instead of replaying them.
- Accessibility – provide transcripts for users with hearing loss.
- SEO & subtitles – boost podcast/blog rankings and add captions.
- Multilingual study – translate spoken content for language learning.
⚠️ Common Challenges
| Issue | Impact |
|---|---|
| Accents & background noise | Low accuracy in generic tools |
| Speaker overlap | Hard to label who said what |
| Large files | Many converters cap at 100 MB |
| Privacy | “Free” sites may harvest uploads |
| No subtitle export | Extra work for video creators |
🏆 Quick Comparison of Popular MP3-to-Text Tools
| Feature | SubEasy | Otter.ai | Bearly.ai | Random Online Converter |
|---|---|---|---|---|
| Free minutes per day | ✅ 90 min | ❌ | ✅ 30 min | ✅ 30 min |
| Speaker labels | ✅ | ✅ | ❌ | ❌ |
| Subtitle export (SRT/VTT) | ✅ | ❌ | ❌ | ❌ |
| Built-in YouTube-to-MP3 | ✅ | ❌ | ❌ | ❌ |
| Ad-free, browser-based | ✅ | ✅ | ✅ | ⚠️ Pop-ups |
Takeaway: SubEasy is the only free browser tool that offers 90 daily minutes, speaker labels, and ready-to-edit subtitles.
🚀 Step-by-Step: Convert MP3 to Text with SubEasy
- Visit the tool: https://subeasy.seobdtools.com/youtube-to-mp3
- Upload your MP3 or paste a YouTube link to auto-extract audio.
- Select language. SubEasy applies built-in auto noise reduction so you don’t need third-party cleaning.
- Click “Transcribe.” AI delivers a timestamped transcript in seconds—files up to 4 hours (2 GB) are supported.
- Enable “Speaker Separation” if you want each voice labeled automatically.
- Export as TXT, DOCX, or SRT, or click Translate for 100 + languages.
- Refine the text with the AI Refine & Correction button, then share or publish.
⏱️ Time saved: A 30-minute podcast becomes clean text in under two minutes.
🎯 Accuracy Tips
- Record in a quiet room or run the MP3 through a noise-reducer first. But SubEasy’s auto noise reduction handles it.
- Split huge files (>1 h) into 30-minute chunks for best results. But you can upload recordings up to 4 hours long if you use SubEasy.
- Add brand names or jargon to SubEasy’s Glossary to boost proper-noun accuracy.
- Use AI Refine & Correction to polish punctuation, casing and flow.
❓ FAQ
Is SubEasy really free?
Yes—90 transcription minutes per day on the free tier. Pro plans lift the limit and unlock batch workflows.
File-size limit?
Free tier supports up to 2 GB per file. Larger uploads are enabled in Pro.
Does SubEasy work on mobile?
Absolutely. Everything runs in any modern iOS / Android browser—no app needed.
What languages are supported?
100 + for transcription and translation, including English, Spanish, Japanese and Hindi.
🚀 Ready to Convert MP3 to Text?
Skip manual typing and risky sites.
Convert your MP3 to text with SubEasy now—free, ad-free and done in minutes.
👈 Missed the previous guide? Check out the Best YouTube-to-MP4 Converters for 2025 here.