Free audio to video tools compared
Compare free audio to video converters – AI Free Audio to Video, Kapwing, VEED, Headliner, Flixier and Media.io – by watermark, length limits, sign-up, auto subtitles, karaoke captions and resolution.
Checked on . Prices and free-plan limits change often; check the linked official pages before deciding. · Last updated
Among the tools checked, AI Free Audio to Video is the only one whose free tier documents no watermark, no account and 1080p export together; in exchange it caps each file at 10 minutes and 100 MB and has no timeline editor.
Kapwing, VEED and Flixier are full online video editors whose free exports carry a watermark. Headliner focuses on podcast audiograms and allows one unwatermarked video per month. Media.io’s official pages disagree about the free watermark.
How to choose
- A short song, voice memo or podcast clip as a captioned or karaoke MP4, without an account — AI Free Audio to Video: upload, choose a style and download a watermark-free MP4 of up to 10 minutes.
- Regular podcast audiograms, full episodes or many languages — Headliner is built for podcast promotion; check its monthly unwatermarked-video and transcription allowances.
- Timeline editing, stock media, templates or team collaboration — Kapwing, VEED or Flixier. Removing the watermark requires a paid plan on each.
- Adding subtitles onto your existing video footage — Use a timeline editor such as Kapwing, VEED or Flixier. This site renders new visuals and cannot burn captions onto original footage; it can still give you an SRT file.
- Recordings longer than 10 minutes — Not this site. Compare the length limits in the table, or split the recording.
Free plan comparison
| Tool | Watermark on free exports | Free length or file limit | Account needed | Automatic subtitles | Karaoke word highlighting | Audio visualizer | Free export resolution | Aspect ratios |
|---|---|---|---|---|---|---|---|---|
| AI Free Audio to Video (this site) | None | 100 MB and 10 minutes per file; hourly usage limit | No | Yes; seven languages or automatic detection; free SRT download from Extract text | Yes, from speech-model word timings | Yes, spectrum bars | 720p or 1080p | 9:16, 16:9 or 1:1 |
| Kapwing | Yes [1] | Exports up to 4 minutes; 30 export minutes per month; 2 GB upload [1] | Not verified | Yes, up to 10 minutes on Free [1] | Yes (word-by-word animation); availability on Free not verified [2] | Yes, but exporting a visualizer project requires Pro [3] | 720p [1] | Platform presets (TikTok, Reels, YouTube, Instagram); exact ratios not listed [3] |
| VEED | Yes [4] | Not verified | Not required to export (watermarked) [4] | Yes, free to start; longer videos and subtitle-file downloads need a paid plan [6] | Yes (karaoke-style word highlights); availability on Free not verified [6] | Not verified | 720p [5] | Not verified |
| Headliner | Yes, except 1 unwatermarked video per month [7] | 1080p videos up to 10 minutes; 10 GB uploads; 2 transcription hours per month [7] | Not verified | Yes, 100+ languages; 2 transcription hours per month on Free [7] [8] | Not verified | Yes, waveform audiograms [8] | 1080p (videos up to 10 minutes) [7] | Not verified |
| Flixier | Yes [9] | 10 export minutes per month; 2 GB storage [9] | Not verified | Yes, 5 minutes per month on Free [9] [10] | Yes (Karaoke and Word Highlight effects); availability on Free not verified [10] | Not verified | 720p [9] | Not verified |
| Media.io | Yes per the pricing page; the audio-to-video page says no watermark (conflicting) [11] [12] | 10-minute export; 512 MB upload [11] | Not verified | Yes, 5 minutes on Free [11] [12] | Not verified | Yes, sound wave visualizer element [12] | 720p per the pricing page; the audio-to-video page mentions 1080p [11] [12] | Six aspect-ratio presets; 16:9 by default [12] |
Checked on 2026-10-15. Prices and free-plan limits change often; check the linked official pages before deciding.
Where this site falls short
- No timeline, multitrack or stock-media editing
- Cannot burn subtitles onto your original video footage
- 10-minute and 100 MB limit per file; hourly usage limit
- No translation, speaker labels or vocal removal
- Recognition of singing often needs manual correction
- Results are deleted after 24 hours and there are no shared projects
Animated text video maker · Audio and video to text · Image to text OCR · MP3 to video converter · Music visualizer · Lyric video maker · Subtitle generator · Podcast to video
How we checked
Each competitor value comes from that company’s official pricing, help or feature page, read on the check date. Cells marked “Not verified” could not be confirmed on an official page and are not guesses. Values for this site come from its code and are described on its tool pages.
Sources
- Kapwing pricing — Checked on 2026-10-15
- Kapwing help: add captions — Checked on 2026-10-15
- Kapwing music visualizer — Checked on 2026-10-15
- VEED support: watermark — Checked on 2026-10-15
- VEED support: export your project — Checked on 2026-10-15
- VEED auto subtitle generator — Checked on 2026-10-15
- Headliner pricing — Checked on 2026-10-15
- Headliner home page — Checked on 2026-10-15
- Flixier pricing — Checked on 2026-10-15
- Flixier help: adding subtitles — Checked on 2026-10-15
- Media.io pricing — Checked on 2026-10-15
- Media.io audio to video — Checked on 2026-10-15