Subtitle Converter / Time Shift

Convert SRT and WebVTT text cues and shift their timestamps.

Tool options · presets, sharing & more

Presets & sharing: options only, never files, text or passwords. Undo/redo: editable form values, not file selection or generated results.

How to Use Subtitle Converter / Time Shift

Paste text or CSV, or upload a DOCX document for text extraction.

Choose the language layout, cleanup, alignment or subtitle offset settings.

Run the tool and compare the result with your original input.

Copy or download the output. Review spelling changes and subtitle timing before replacing your source.

What This Tool Does

Convert SRT and WebVTT text cues and shift their timestamps. Read the format requirements and practical limits in the interface before processing.

Common Use Cases

Prepare text outputs without sending your source content to an external processing service.

Inspect a downloadable result before using it in your own project or document.

Privacy & Processing

This tool processes files and input in this browser tab. Its processing code does not upload them to a server. Loading this page and fetching uncached app files uses an internet connection. Optional usage analytics requires your consent and excludes input, filenames, passwords and generated content. Form undo history and result transfers stay in session memory. Explicitly saved presets contain approved settings only.

Offline use is not verified for this tool. Keep an internet connection available to load its page, code and any additional dependencies.

Frequently Asked Questions

What should I check before using Subtitle Converter / Time Shift?

Convert SRT and WebVTT text cues and shift their timestamps. Read the format requirements and practical limits in the interface before processing.

Does this tool work offline?

Offline use is not verified for this tool. Keep an internet connection available to load its page, code and any additional dependencies.

Can I keep my original file?

Yes. Processing creates a separate result and does not overwrite your source file. Keep the original until you have reviewed the output.