mp3.now vs Offline Captions
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
mp3.now compared with Offline Captions
| Detail | 
mp3.now | 
Offline Captions |
|---|
| What it does | Free audio conversion and editing with no signup required
| Word-by-word caption app for Windows, pay once
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| IN
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| Pricing model | Freemium
| Paid
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| Pricing | Guest (free): 10 conversions/day, 10 MB limit. Free Account (free): 20 conversions/day, 50 MB limit. Premium: €9.99/month (€95.99/year) with unlimited conversions, 200 MB limit. Premium Plus: €29.99/month (€287.99/year) with 1 GB limit and advanced features.
| Founding price $29 once, regular price $39 once; free web version for clips up to 5 minutes
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| Key features | - Convert between 50+ audio formats including MP3, WAV, M4A, FLAC, AAC, OGG
- Compress MP3 files with bitrate control (128, 192, 256, 320 kbps)
- Trim and cut audio clips by start and end time
- Merge multiple MP3 files into one
- Normalize audio volume levels
- Change audio speed or bitrate
- Extract audio from video files (MP4, MOV, MKV, AVI, WebM)
- REST API for programmatic conversion with JSON requests
- Automatic file deletion after 24 hours for guests, 7 days for free accounts
- Batch convert up to 10 files at once on free account
| - Four caption styles: Bold, Clean, Punch, Reveal
- MP4 and SRT file export
- Offline transcription with no uploads
- Yellow highlighting for uncertain words
- Free browser version for clips up to 5 minutes
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| What makes it different | - No signup required to start converting
- Privacy-first approach with no tracking or sharing of uploaded files
- Core tools remain free forever
- Fast conversions optimized to take seconds not minutes
- Simple interface with no dark patterns or forced signups
| - Offline transcription on your own computer with no uploads or internet required
- One-time purchase with no subscription, no per-video fees, and unlimited videos
- Personal dictionary that learns and applies fixes across all videos
- Batch export to caption an entire week of videos in one run
- Hinglish support with Roman script output for Hindi-English creators
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 51 ● no change since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 17 | 4 |
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| Citation Flow (Majestic) | 33 | 12 |
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| Referring domains (Majestic) | 123 | 8 |
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5 details filled in for both companies.
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