What is the SRT subtitle format?

SRT (SubR (SubRip Text) is the most common subtitle format with sequence numbers, timestamps, and text, supported by almost all video players.

How do I adjust subtitle timing?

Enter offset seconds (negative for earlier, positive for later) and click Adjust Timeline. Scale factor adjusts playback speed.

What's the difference between SRT and VTT?

SRT has widest compatibility. VTT is the web standard supporting more styling. This tool supports SRT editing and VTT export.

Is my subtitle file safe?

Yes, all processing is local in your browser. Files are never uploaded to any server.

Can I batch edit subtitles?

Yes, batch adjust timeline offset and scale factor, or edit each subtitle individually.

📝 SRT Subtitle Editor

🔒 Client-side — Your data never leaves your browser ✅ 100% Free — No signup, no limits ⚡ Instant — No server processing

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Drag & drop an SRT file here, or click to select

Supports .srt files

❓ Frequently Asked Questions

Are there any usage limits for SRT Subtitle Editor?

SRT Subtitle Editor has no usage limits — it's free and unlimited. Since processing is done client-side, speed depends on your device. For very large files, we recommend processing in batches for the best experience.

Does SRT Subtitle Editor upload my data to a server?

No. SRT Subtitle Editor uses client-side processing — everything runs in your browser. Your data never leaves your device, and the tool works even without an internet connection.

Can I use SRT Subtitle Editor on my phone?

Yes. SRT Subtitle Editor is fully responsive and works on phones, tablets, and desktops. The interface adapts automatically to your screen size.

Do I need to install any software?

No. SRT Subtitle Editor is a web-based tool — just open it in your browser and start using it. No downloads, plugins, or extensions required.

Is my data safe when using SRT Subtitle Editor?

Absolutely. Everything runs locally: Time offset and Scale factor are processed on your device, never sent to a server. No data is sent to any server, so there's zero risk of data leaks. Your information stays completely under your control.