What can I do with JSON to SRT?

Turn subtitle JSON cues back into a valid SRT file. JSON to SRT is part of the Subtitles shelf on utils.sbs and is designed for quick, one-off tasks.

Is JSON to SRT free to use?

Yes. JSON to SRT is free, requires no account, and has no per-file or per-use charge.

Are my files uploaded when I use JSON to SRT?

No. JSON to SRT is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

What formats does JSON to SRT support?

It reads common subtitle formats such as SRT and VTT and writes the converted or adjusted file back out.

Can I use JSON to SRT on my phone?

Yes. JSON to SRT is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

Subtitles tool

JSON to SRT

Turn subtitle JSON cues back into a valid SRT file.

Runs on-deviceNo sign-upFree

All subtitles tools

Workspace

JSON to SRT

Runs locally

Subtitle inputLoad .srt / .vtt

Supports SRT and WebVTT. Cue times are parsed to the millisecond and rebuilt without touching your video.

Captions

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

JSON to SRT is a free browser-based subtitles tool. Turn subtitle JSON cues back into a valid SRT file. It runs with JavaScript text parsing locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is JSON to SRT?

JSON to SRT is a free browser-based subtitles tool from utils.sbs. Turn subtitle JSON cues back into a valid SRT file. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

Category	Subtitles
Input	SRT, VTT or plain subtitle text
Output	An adjusted SRT, VTT or plain-text subtitle file
Engine	JavaScript text parsing
Processing	In your browser
Price	Free
Account	Not required

How JSON to SRT works

Subtitle files are parsed as text, adjusted with the selected timing or format options, and written back out as a downloadable file.

How to use JSON to SRT

1Open JSON to SRT and add your input.
2Use the default settings, or choose the format or detail level that matches your goal.
3Run the tool, check the preview or result, and download the output.

When to use JSON to SRT

Convert subtitle files between SRT, VTT and plain text.
Shift or retime captions after editing a video.
Clean duplicate cues and line breaks before uploading captions.

Limitations

Overlapping cues or unusual text encodings may require manual cleanup after conversion.

Privacy and accuracy

JSON to SRT processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ

JSON to SRT questions

What can I do with JSON to SRT?
Turn subtitle JSON cues back into a valid SRT file. JSON to SRT is part of the Subtitles shelf on utils.sbs and is designed for quick, one-off tasks.
Is JSON to SRT free to use?
Yes. JSON to SRT is free, requires no account, and has no per-file or per-use charge.
Are my files uploaded when I use JSON to SRT?
No. JSON to SRT is designed to process your input locally in the browser. Files are not uploaded to a server for processing.
What formats does JSON to SRT support?
It reads common subtitle formats such as SRT and VTT and writes the converted or adjusted file back out.
Can I use JSON to SRT on my phone?
Yes. JSON to SRT is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

Keep going

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