EBU-STL → JSON
Convert EBU-STL to JSON
Free online EBU-STL to JSON subtitle converter. Transform EBU-STL (.stl) files to JSON (.json) format instantly in your browser. No upload required.
Format Comparison
| EBU-STL | JSON | |
|---|---|---|
| Full Name | EBU-STL | JSON |
| Extension | .stl | .json |
| Category | broadcast | data |
| Key Features | Binary format, Broadcast-grade timing, Teletext compatibility, European standard | Structured data, Multiple timing formats, API-ready, Machine-readable |
| Common Uses | European broadcast, Teletext subtitles, TV station workflows, Broadcast delivery | API integration, Custom pipelines, Programmatic processing, Data interchange |
| Limitations | Binary format (not human-readable), Limited styling, Regional standard | Not a playback format, No standard schema, Requires custom import |
How to Convert EBU-STL to JSON
- 1
Open the subtitle converter
Go to the Subtitle Tool and select your source EBU-STL file by pasting the text or uploading the .stl 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 JSON as output format
Choose JSON (.json) from the output format dropdown.
- 4
Download your converted file
Click the download button to save your converted JSON file. You can also copy the output text directly.
Frequently Asked Questions
How do I convert EBU-STL to JSON?
Upload or paste your EBU-STL (.stl) file into the converter, select JSON 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 EBU-STL and JSON?
EBU-STL is ebu-stl (european broadcasting union subtitle transfer language) is a binary broadcast subtitle format widely used in european television. JSON is json export provides subtitle data as structured objects with all timing formats (frames, milliseconds, timecodes) — ideal for programmatic processing and api integration. They differ in features like binary format (EBU-STL) versus structured data (JSON).
Is the EBU-STL to JSON 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 EBU-STL to JSON?
JSON has some limitations: not a playback format. Timing accuracy is preserved using frame-based conversion through the timecodes library, but format-specific features like binary format and broadcast-grade timing may not carry over.