Text

Convert and adjust subtitle files.

Subtitle Toolkit handles the fiddly subtitle chores - convert between SRT and VTT, nudge the timing when captions drift out of sync, and strip stray formatting - so a caption file actually matches your video and the player it is going into.

Start the 14-day trial in the app. No payment method is required to try Foldout.

Foldout Convert and adjust subtitle files tool screen on macOS
Processes on your MacTool work stays inside the local app.
Signed and notarizedBuilt for Apple Silicon Macs.
No usage trackingFoldout does not track what you do in the app.
Paddle checkoutPaddle shows price, tax, and terms before purchase.
What it does

Convert and re-time subtitle files to match your video.

Convert SRT to VTT and back.

Shift caption timing to fix sync.

Strip unwanted formatting.

Match captions to your video and player.

Detailed capabilities

What Subtitle Toolkit covers.

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

SRT and VTT, both ways

Convert between the two common caption formats so a file matches whatever your video player expects.

Fix the drift

Shift the timing forward or back to re-sync captions that start late or run ahead.

Clean captions

Strip stray formatting so the text reads cleanly wherever it plays.

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.

One app. 100+ tools.

Add Subtitle Toolkit to your Mac toolbox.

Download Foldout, try the full toolbox, then choose a plan when it fits.