SRT → IMSC
Convert SRT to IMSC
Free online SRT to IMSC subtitle converter. Transform SubRip Subtitle (.srt) files to IMSC (Netflix Timed Text) (.xml) format instantly in your browser. No upload required.
Format Comparison
| SRT | IMSC | |
|---|---|---|
| Full Name | SubRip Subtitle | IMSC (Netflix Timed Text) |
| Extension | .srt | .xml |
| Category | text | xml |
| Key Features | Sequential numbering, Millisecond timestamps, Basic HTML formatting, Universal player support | TTML-based, Netflix compliance, Rich styling, Region positioning, Precise timing |
| Common Uses | YouTube uploads, Media players (VLC, MPC), Video editing, Streaming platforms | Netflix delivery, Streaming platforms, Professional localization, Broadcast-to-streaming workflows |
| Limitations | No styling metadata, No positioning, No font specification | Complex XML structure, Strict validation requirements, Requires TTML knowledge |
How to Convert SRT to IMSC
- 1
Open the subtitle converter
Go to the Subtitle Tool and select your source SRT file by pasting the text or uploading the .srt 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 IMSC as output format
Choose IMSC (Netflix Timed Text) (.xml) from the output format dropdown.
- 4
Download your converted file
Click the download button to save your converted IMSC file. You can also copy the output text directly.
Frequently Asked Questions
How do I convert SRT to IMSC?
Upload or paste your SubRip Subtitle (.srt) file into the converter, select IMSC 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 SRT and IMSC?
SRT is srt (subrip subtitle) is the most widely used subtitle format. IMSC is imsc (internet media subtitles and captions) is a w3c profile of ttml used by netflix and other streaming platforms. They differ in features like sequential numbering (SRT) versus ttml-based (IMSC).
Is the SRT to IMSC 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 SRT to IMSC?
IMSC has some limitations: complex xml structure. Timing accuracy is preserved using frame-based conversion through the timecodes library, but format-specific features like sequential numbering and millisecond timestamps may not carry over.