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Post-production file converter

Convert SRT to Avid SubCap TXT

Convert SRT to the Avid DS caption TXT that Media Composer's SubCap effect imports. Set your sequence frame rate first.

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How to convert SRT to Avid TXT

Choose your Media Composer sequence frame rate and convert the SRT to Avid DS caption TXT. Add a SubCap effect that covers the caption range, then load the TXT with Import Caption Data. Before delivery, check the sequence start timecode and the first and last captions. A mismatched rate or timecode offset can put captions in the wrong place.

  1. Add your SRT files

    Drag your .srt subtitle files onto the drop zone, or click to browse. Stay within the batch allowance shown.

  2. Pick a frame rate

    Choose the frame rate of your sequence. SRT does not declare a frame rate, so check this setting instead of trusting the default.

  3. Convert SRT to Avid TXT

    Press Convert, then download your Avid caption TXT, or a ZIP for a batch.

Try SRT to Avid TXT with a sample

See the source file and its converted result before using your own files. Use “Try a sample” in the converter to preview the same input.

Sample input · SRT fileDownload episode-12.srtConverted result · Avid caption TXTDownload episode-12.avid.txt
See an excerpt of the sample input
1
00:00:01,000 --> 00:00:04,000
Welcome back to the cutting room.

2
00:00:04,200 --> 00:00:07,500
Today we're converting subtitles in seconds.

3
00:00:07,800 --> 00:00:11,400
Drop a whole batch and get one tidy ZIP back.

4
00:00:11,800 --> 00:00:15,000
  1. Load the sample SRT and set the frame rate to match your Media Composer sequence.
  2. Apply SubCap across the caption range, then choose Import Caption Data → Avid DS and select the converted Unicode TXT.
  3. Check the sequence start timecode and caption range if no captions overlap the effect.

The downloadable example uses the converter’s default 24 fps. A different sequence rate or start timecode needs matching settings and an alignment check.

Synthetic examples. Downloaded outputs are checked against the conversion engine; this does not certify an import in your editor version.

Back to the converter

SRT file and Avid caption TXT, explained

Media Composer cannot import SRT directly. The SubCap effect reads its own caption TXT format. That format holds timecode pairs between <begin subtitles> and <end subtitles> markers, with frames in the last field instead of milliseconds. This converter writes that format at your sequence frame rate, so captions land on the right frames.

Convert SRT to the Avid DS caption TXT that Media Composer's SubCap effect imports. Set your sequence frame rate first. It is free to start, encrypted in transit, and converts a whole batch into one ZIP — sign in when you need large, high-volume jobs.

SRT to Avid TXT FAQ

How do I import the converted TXT into Media Composer?

Use the SubCap effect. Add a video track with filler covering the caption range, then apply SubCap from the Generator category of the Effect Palette. Enter Effect Mode, expand Caption Files, and click Import Caption Data. The guide on importing SRT subtitles into Avid Media Composer has the full walkthrough and troubleshooting.

Is this the SubCap caption format?

Yes. The output is the plain-text caption format SubCap imports, sometimes called Avid DS caption TXT. Caption blocks sit between <begin subtitles> and <end subtitles> markers, and each has an HH:MM:SS:FF start/end timecode pair.

What frame rates are supported?

Choose 23.976, 24, 25, 29.97, or 30 fps to match your timeline. Or leave it on auto-detect and CutConvert works out the rate from your source.

Why does frame rate matter for Avid captions?

Avid caption TXT uses frame-accurate timecode, so the output has to match your timeline frame rate. Pick the wrong rate and captions drift. Pick the right one and they land on the right frames.

Can I convert a batch of SRT files at once?

Yes. Drop several .srt files and download a single ZIP of Avid caption TXT files. Guests get 5 conversions a month, up to 100 KB per file. A free account has no monthly cap within the free size caps and converts up to 100 files per batch. Pro is $9 a month for 100 conversions of files up to 50 MB.

Can I convert Avid caption TXT back to SRT?

Yes. The TXT to SRT converter at /txt/srt reads the timecode and caption text from an Avid caption export and writes a timed .srt.

Guides for this workflow

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Questions, answered

Where are my files processed?

In your browser. The file never leaves your computer, and CutConvert only records that a conversion happened. We never see, store, sell or share your media.

Is it free? Do I need an account?

Files up to about an hour of footage convert free on every converter. CapCut projects are free up to 500 KB. Guests get five conversions a month; a free account has no monthly cap within the free size caps. Bigger files are $3 each, or $5 for a project conversion from one program to another. Pro is $9 a month ($90 a year) for files up to 50 MB. Studio is $19 a month ($190 a year) for files up to 500 MB.

What do I get when I convert multiple files?

One ZIP with every converted file. A single file comes back on its own. Press + to add more output formats: they go in the same ZIP, and each file still counts as one conversion.

Which formats are supported?

Projects in: Premiere .prproj, DaVinci Resolve .drp, Avid AAF and bins, Final Cut FCPXML, CapCut drafts and Audition sessions. Projects out: FCP7 XML, FCPXML, Resolve .drp, AAF, CapCut and REAPER, plus CMX 3600 EDL and shot-list CSV. Transitions, markers, titles, keyframes, levels, speed changes and nested sequences carry over wherever the target app can hold them. Captions: SRT, WebVTT, SBV, ASS, TTML, DFXP, iTT, SCC, MCC, EBU-STL, Avid caption TXT, timed CSV, Word and plain text. Transcripts: Whisper, WhisperX, AssemblyAI, Deepgram, Rev.ai and CapCut JSON, Premiere transcript JSON and .prtranscript, and Rev, Otter and Word-style text. Styling, placement and speakers come along where the output supports them.

Can I pick a frame rate?

Yes. For EDL and Avid caption output, choose 23.976, 24, 25, 29.97 or 30 fps, or let CutConvert detect it from your source.