IMSC → DFXP
Convert IMSC to DFXP
Free online IMSC to DFXP subtitle converter. Transform IMSC (Netflix Timed Text) (.xml) files to DFXP (TTML) (.dfxp) format instantly in your browser. No upload required.
Format Comparison
| IMSC | DFXP | |
|---|---|---|
| Full Name | IMSC (Netflix Timed Text) | DFXP (TTML) |
| Extension | .xml | .dfxp |
| Category | xml | xml |
| Key Features | TTML-based, Netflix compliance, Rich styling, Region positioning, Precise timing | TTML-based, XML structure, Styling support, Layout regions |
| Common Uses | Netflix delivery, Streaming platforms, Professional localization, Broadcast-to-streaming workflows | Subtitle distribution, Platform interchange, Legacy TTML workflows |
| Limitations | Complex XML structure, Strict validation requirements, Requires TTML knowledge | Superseded by IMSC, Verbose XML, Inconsistent implementations |
How to Convert IMSC to DFXP
- 1
Open the subtitle converter
Go to the Subtitle Tool and select your source IMSC file by pasting the text or uploading the .xml file.
- 2
Set your framerate
Choose the framerate that matches your video (e.g., 23.976, 25, 29.97). This ensures frame-accurate timestamp conversion.
- 3
Select DFXP as output format
Choose DFXP (TTML) (.dfxp) from the output format dropdown.
- 4
Download your converted file
Click the download button to save your converted DFXP file. You can also copy the output text directly.
Frequently Asked Questions
How do I convert IMSC to DFXP?
Upload or paste your IMSC (Netflix Timed Text) (.xml) file into the converter, select DFXP as the output format, and click Convert. The tool processes everything in your browser — no file uploads to a server.
What is the difference between IMSC and DFXP?
IMSC is imsc (internet media subtitles and captions) is a w3c profile of ttml used by netflix and other streaming platforms. DFXP is dfxp (distribution format exchange profile) is a profile of ttml (timed text markup language) for subtitle distribution. They differ in features like ttml-based (IMSC) versus ttml-based (DFXP).
Is the IMSC to DFXP converter free?
Yes, completely free with no limits. The converter runs entirely in your browser using the timecodes library — no server processing, no sign-up, no watermarks.
Will I lose formatting when converting from IMSC to DFXP?
DFXP has some limitations: superseded by imsc. Timing accuracy is preserved using frame-based conversion through the timecodes library, but format-specific features like ttml-based and netflix compliance may not carry over.