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Convert and adjust subtitle files.

Subtitle Toolkit converts SRT and VTT, shifts timing, and strips formatting for subtitle cleanup.

No account or card required. Local-first Mac app.

Foldout Convert and adjust subtitle files tool screen on macOS
Works locallyDesigned for on-Mac processing.
Signed and notarizedBuilt for Apple Silicon Macs.
No app telemetryNo usage tracking from Foldout itself.
Free 14-day trialNo account or card required.
What it does

Built for the common jobs people usually send to separate apps.

Convert SRT to VTT and VTT to SRT.

Shift subtitle timing.

Strip formatting.

Detailed capabilities

What Subtitle Toolkit covers.

Concrete features, inputs, and workflow details for this tool.

Core capabilities

Convert SRT to VTT and VTT to SRT. Shift subtitle timing. Strip formatting.

Inputs and scope

Works with sRT and VTT text.

How the workflow runs

Paste or load subtitle text. Choose conversion or timing options. Run the transform. Copy or save the result.

Subtitle Toolkit use cases

Common uses include video captions, course subtitles, transcript cleanup, and timing fixes.

How to use it

From opening the tool to saving the result.

  1. 01

    Paste or load subtitle text.

  2. 02

    Choose conversion or timing options.

  3. 03

    Run the transform.

  4. 04

    Copy or save the result.

Questions

Before you try Subtitle Toolkit

Does it edit video files?

No. It edits subtitle text formats.

Try the full toolbox

Use Subtitle Toolkit free for 14 days.

No account, no card, and no upload required for local file tools.