Loading page
About this tool
Shift, scale, and correct subtitle timings with range targeting, QA checks, and export-ready SRT output.
Subtitle Timing Adjuster is a free video tool that runs entirely in your browser — nothing to install, no account to create, and your data never leaves your device. Open the page, add your input, and get a clean, copy-ready result in seconds.
Open Subtitle Timing Adjuster on AltFTool — it loads instantly in your browser.
Upload or drag in the file you want to work with.
Adjust the settings and preview the result.
Download the finished file to your device.
Process images, audio, video, and documents directly in your browser — files never leave your device.
See the result before you export, so the final file is exactly what you expect.
Download output that's ready for your website, presentation, or client hand-off.
Yes — Subtitle Timing Adjuster is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. Subtitle Timing Adjuster runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Shift, scale, and correct subtitle timings with range targeting, QA checks, and export-ready SRT output. It's built for quick, everyday video tasks with results you can copy or download straight away.
Yes — Subtitle Timing Adjuster works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.