Convert AVI to SRT

Generate perfectly-timed SRT subtitle files from your AVI videos. Ideal for adding subtitles to legacy content, archive footage, and classic video collections.

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5-min turnaround
All platforms
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Video
DOCX
SRT/VTT
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53+ Languages
About This Format

Understanding AVI files

What is a AVI file?

Classic Windows video format with broad compatibility

The .AVI file (also known as an Audio Video Interleave file) is a very popular video format with both audio and video usually stored in an uncompressed format. The AVI video file was first developed by Microsoft in 1992 and for a long time was the standard video format for Windows machines. AVI files are a multimedia container format that stores audio and video using a variety of codecs; popular codecs with high compression ratios were DivX and XviD.
AVI files can be compressed, but typically they use less compression and are larger than many other popular video formats like MOV and MPEG. AVI files can be created without any compression and results in a “lossless AVI file.” These lossless AVI files have really large filesizes (can range between 2-3GB per minute of video). However, a lossless AVI file will not lose quality overtime and allows for playback without requiring any codecs to be installed on the user’s computer.

Common Uses

  • Video editing projects
  • Archive footage
  • Windows video playback
  • Legacy video content

Audio Quality

Quality varies by codec; uncompressed AVI preserves full quality

Transcription Tips for AVI

  • Uncompressed AVI provides excellent audio quality
  • Check audio codec - DivX/XviD AVI transcribes well
  • Lossless AVI offers best quality but very large files

Where AVI Files Come From

  • Windows video cameras
  • Screen recording software
  • Video editing exports
  • Archive collections
10x
Faster than real-time
Get your AVI SRT in minutes
99%
Accuracy rate
Industry-leading AI for AVI files
53+
Languages
Subtitles in any language
30+
Export formats
SRT, VTT, text, and more
How It Works

Convert AVI to SRT in 6 steps

Step 1

Create account

Sign up for Sonix's free trial. Includes 30 minutes free.

Step 2

Upload file

Upload your AVI file from your computer or cloud storage.

Step 3

Select language

Choose from 53+ languages spoken in your file.

Step 4

Auto-transcribe

Sonix AI transcribes and timestamps your AVI audio.

Step 5

Edit subtitles

Fine-tune subtitle timing and text with our editor.

Step 6

Export SRT

Download your AVI subtitles as an SRT file.

Common Questions

Everything about AVI to SRT

Can I create SRT subtitles from legacy AVI files?

Yes! Upload your AVI file, Sonix transcribes the audio with word-level timestamps, then export to SRT format. Perfect for adding subtitles to archived content and making old videos accessible.

How accurate are AVI-to-SRT subtitle timings?

Sonix generates word-level timestamps from AVI audio tracks with precision within a few hundred milliseconds. Even older AVI files with clear audio produce excellent timing accuracy.

Can I add subtitles to my old AVI home videos?

Absolutely! Create SRT subtitles from old family videos, home movies, and personal recordings. Great for preserving memories and making them accessible to family members.

How do I embed SRT subtitles into my AVI file?

Use video editing software like VirtualDub or HandBrake to mux the SRT file with your AVI, or convert to a modern format like MP4 with embedded subtitles.

Can I include speaker labels in AVI SRT subtitles?

Yes! Enable speaker detection when exporting to SRT. Perfect for interviews, documentaries, and multi-person content in your AVI archives.

What if my AVI has variable frame rate affecting subtitle sync?

Sonix timestamps are based on audio timing, not frame rate. Your SRT subtitles will sync correctly regardless of AVI frame rate variations.

Why Sonix

Perfect SRT subtitles from AVI files

Precise Timestamps

Word-level timing ensures your subtitles sync perfectly with the audio.

Universal Format

SRT works with YouTube, Vimeo, Facebook, and all major video platforms.

Customizable

Adjust timing, line length, and caption duration to your needs.

Editor Friendly

Import directly into Final Cut Pro, Premiere, DaVinci Resolve, and more.

Related

More ways to convert AVI files

Other AVI conversions

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Add Subtitles to AVI

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Other file formats

MPG to text
OGX to text
WEBM to text
TS to text
MOV to text
MOOV to text
3GP to text
M4V to text
MPE to text
VOB to text
See all supported file formats
Reviews

Trusted by video creators

4.98 rating from 211 reviews

I have a 30-40 minute commute to work and like to dictate memos and other brief documents along the way–but I haven't had an easy way to get them transcribed...until now. Thanks Sonix!
ND
Nick D.
Waterloo, Ontario Canada
Very cool and fascinating too. Ahh the power of algorithms. I can tell you that I love the overall UI experience because it's pretty, dumbed down, and very easy for me to use. I've done a lot of radio and this service would be invaluable for that kind of work.
AF
Angela F.
San Francisco, CA USA
Sonix is amazing. It’s like adding the most brilliant brain to my staff.
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Phillip M.
Bothell, WA USA
I was amazed by your accuracy. What I used were not very good recordings. One with an American accent, another one Australian and many background noises. The transcript exc...
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Andrew Z.
Hammersmith, United Kingdom
Amazed by the software even in quite mixed audio!
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Simon G.
Derby, United Kingdom
Great website. Love the drag & drop option. Very accurate too!
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Brad S.
Barnegat, NJ USA
Sonix's transcription and translation features are stunningly accurate, I'm very impressed.
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Constantine B.
Istanbul, Turkey
Sonix is simple and very easy to use and the results were very nearly perfect. I would definitely recommended the site to anyone who asks me.
NL
Nathan L.
St. Thomas, Canada
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