How to convert DFXP to SRT

DFXP subtitle files are XML timed text captions. You may see them in older streaming exports, caption archives, or platform workflows that also use the TTML name.

SRT is simpler and more portable. It keeps numbered cues, timestamps, and readable subtitle text, which makes it easier to upload, validate, edit, and send for review.

Quick answer

Use the DFXP to SRT Converter to convert .dfxp, .ttml, or XML timed text captions into standard SubRip subtitles. The tool reads timed <p> cues, strips XML wrapper and styling metadata, and creates SRT output locally in your browser with no upload.

When to convert DFXP to SRT

Convert DFXP to SRT when:

• a caption export uses timed-text XML but your editor expects SRT
• an upload form accepts SubRip but not DFXP or TTML
• a client wants a readable review copy without XML styling metadata
• you need to validate, clean, shift, or merge the captions with SRT tools
• an archive workflow needs a simple fallback subtitle file

Keep the original DFXP file if you still need regions, styles, language metadata, or broadcast-specific caption details. SRT is a practical copy, not a full replacement for every DFXP feature.

What changes during conversion

DFXP stores timing and text inside XML paragraph elements:

<p begin="00:00:01.000" end="00:00:03.500">Welcome back to the edit.</p>
<p begin="00:00:04.200" end="00:00:06.000">This DFXP cue needs SRT output.<br/>Keep the line break.</p>

SRT stores the same captions like this:

1
00:00:01,000 --> 00:00:03,500
Welcome back to the edit.

2
00:00:04,200 --> 00:00:06,000
This DFXP cue needs SRT output.
Keep the line break.

During conversion, the tool:

• reads DFXP paragraph cues with begin and end timing
• supports common duration timing when a cue uses begin plus dur
• converts XML line breaks into subtitle line breaks
• removes regions, styles, spans, and wrapper tags
• decodes common HTML/XML entities
• generates sequential SRT cue numbers

The output keeps readable timing and text. It does not preserve DFXP styling, positioning, regions, speaker metadata, or advanced broadcast semantics.

Step-by-step workflow

1. Save a copy of the original .dfxp, .ttml, or XML caption file.
2. Open the DFXP to SRT Converter.
3. Upload or paste the DFXP subtitle content.
4. Convert the file to SRT.
5. Review cues that used nested <span> or <br> markup.
6. Run the output through the SRT Validator before upload.

Common mistakes

Using a video file instead of a DFXP caption file

DFXP to SRT conversion works on a separate text caption file. It does not extract captions from a video container and it cannot recover burned-in text from the image.

Expecting SRT to preserve XML styling

SRT does not support DFXP regions, style definitions, positioning, or XML metadata. If those details matter, keep the DFXP file as the source of truth and use SRT only as a simple delivery or review copy.

Skipping validation after conversion

DFXP exports can contain nested spans, empty paragraph cues, or timing values from a specific workflow. After conversion, validate the SRT file and scan the first, middle, and final cues before upload.

Related guides

• How to convert TTML to SRT
• How to validate SRT files
• Common subtitle format errors and fixes

Related tools

• DFXP to SRT Converter
• TTML to SRT Converter
• SRT Validator

FAQ

How do I convert a DFXP subtitle file to SRT?

Open the DFXP to SRT Converter, paste or upload the .dfxp, .ttml, or XML caption file, and export the timed paragraphs as numbered SRT cues.

Is DFXP the same as TTML?

DFXP is an older name often used for TTML-style timed text. In practical subtitle workflows, both usually mean XML captions with timed paragraph cues.

Can I convert DFXP subtitles without uploading the file?

Yes. The converter runs locally in your browser, so the DFXP subtitle text stays on your device.