MMegaConvert

Convert SRT to JSON

Free online SRT to JSON converter. No signup required.

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Max file size: 100 MB

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How to Convert SRT to JSON

Follow these simple steps to convert your file in seconds.

  1. 1

    Upload your .srt file

    Drag and drop your .srt file into the upload area, or click "Browse" to select it from your device. Your file is uploaded securely and processed on our servers.

  2. 2

    Click "Convert to JSON"

    Once your file is uploaded, press the convert button to start the SRT to JSON conversion process.

  3. 3

    Wait for the conversion to complete

    The conversion usually takes just a few seconds. You can see the progress in real time while your file is being processed.

  4. 4

    Download your converted .json file

    When the conversion is finished, click the download button to save your new .json file. The file is ready to use immediately.

Understanding SRT and JSON Formats

Learn about the source and target file formats to understand what happens during conversion.

Source Format

SubRip Subtitle

application/x-subrip

SRT (SubRip Subtitle) is the most widely used text-based subtitle format, storing numbered subtitle entries with timestamps and plain text content. Each entry contains a sequence number, start and end timestamps in HH:MM:SS,mmm format, and one or more lines of text. SRT is supported by virtually every media player and video platform due to its simplicity and ubiquity.

Advantages

  • Universally supported by virtually all media players and video platforms
  • Extremely simple plain-text format that is easy to create and edit manually
  • Supported for upload on YouTube, Vimeo, and most streaming platforms

Limitations

  • No support for text styling, positioning, or color formatting
  • No support for karaoke-style word-by-word timing
  • Cannot specify screen position or region for subtitle display

Common Uses

  • Movie and TV show subtitle files for media players
  • YouTube and streaming platform subtitle uploads
  • Fan-created subtitles and translation projects

Target Format

JSON Subtitle

application/json

JSON-based subtitle formats store timed text data in structured JSON objects, commonly used by web applications, speech-to-text services, and modern video platforms. Various JSON subtitle schemas exist, including those used by YouTube auto-captions, Amazon Transcribe, and custom web video players. JSON subtitles can include rich metadata such as speaker identification, confidence scores, and word-level timing.

Advantages

  • Structured data format that is easy to process programmatically
  • Can include rich metadata like speaker IDs, confidence scores, and word timing
  • Native integration with web applications and JavaScript-based video players

Limitations

  • No single standard schema; varies across platforms and services
  • Not directly supported by traditional desktop media players
  • More verbose than SRT or VTT for simple timed text content

Common Uses

  • Speech-to-text service output (AWS Transcribe, Google Cloud Speech)
  • YouTube auto-generated caption data
  • Custom web video player subtitle delivery via APIs

Frequently Asked Questions

Common questions about converting SRT to JSON.

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