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Subtitle Generator (SRT & VTT)

Write captions cue by cue or auto-time a pasted script, then export a ready-to-use SRT or WebVTT file.

Free · No sign-up · Runs in your browser

Keep recording and editing together. ScreenBuddy adds zoom, captions, and local MP4 or GIF export on Mac and Windows.

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How it works

01

Add your text

Paste a script to auto-time it, or add cues one at a time.

02

Adjust timing

Fine-tune the start and end seconds for each caption.

03

Export

Download a standard .srt or .vtt file for your video.

What is a free subtitle generator?

A subtitle generator builds timed caption cues and exports them as SRT or WebVTT. This page lets you paste a script, auto-time one line per interval, then edit start and end seconds before download. It runs in the browser and does not upload your text. Use it when you already have the words; use local transcription when you need a first pass from recorded speech.

How do I make an SRT file from a script?

Paste one caption per line, set seconds per line (2–4 seconds is a usable start), then shorten any cue that wraps past two lines. Avoid overlaps. Export SRT for YouTube, editors, and most players; export VTT for a web player. Keep names, version numbers, and UI labels exact — auto-timing will not fix a misspelled product term.

When should I caption a screen recording?

Anytime the clip might play muted: onboarding checklists, landing pages, GitHub READMEs, and social posts. Pair this file with a walkthrough from the online screen recorder or from ScreenBuddy. For a captions-first buying decision, see best screen recorder with captions.

FAQ

Frequently Asked Questions

What is the difference between SRT and VTT?
SRT (SubRip) is the most widely supported subtitle format and works with most players, YouTube, and social platforms. WebVTT (.vtt) is the web standard used by HTML5 <track> elements and supports styling and positioning. This tool exports both from the same cues.
How does auto-timing work?
Paste your script with one caption per line and set "seconds per line." The tool creates sequential cues, each lasting that many seconds. You can then adjust any individual cue's start and end times before exporting.
Can I edit the timing of each caption?
Yes. Every cue has editable start and end fields in seconds, plus its text. Add or remove cues freely, then export when the timing looks right.
Is my script uploaded anywhere?
No. Everything runs in your browser and the file is generated locally when you click download. Your script and captions never touch a server.
Does this transcribe audio automatically?
No. This generator builds a caption file from text you paste or type. ScreenBuddy can transcribe English captions locally on Mac and Windows from the recorded narration; still proofread product names before you publish.
Which format should I upload to YouTube?
SRT is the usual YouTube upload. Use WebVTT when you are attaching a <track> element to HTML5 video. Export both from the same cue list if you publish in more than one place.
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Put the Subtitle Generator on your own site

Free to use anywhere, no account and no attribution deal to sign. Paste this where you want it. It loads lazily and adds nothing to your page until a reader scrolls to it.

HTML · 398 chars
<iframe src="https://screenbuddy.xyz/embed/subtitle-generator" title="Subtitle Generator" width="100%" height="640"
  style="border:0;max-width:720px;border-radius:12px" loading="lazy"></iframe>
<p style="font:14px/1.5 system-ui,sans-serif;margin:8px 0 0">
  <a href="https://screenbuddy.xyz/tools/subtitle-generator">Subtitle Generator</a> by <a href="https://screenbuddy.xyz">ScreenBuddy</a>
</p>

Please keep the credit line below the frame. It is the only thing we ask for, and because a link inside an iframe belongs to the framed page rather than yours, that one line outside it is what actually credits us.

Pair captions with a polished screen recording

ScreenBuddy transcribes English captions locally on Mac and Windows. Review names and terminology, adjust cue timing, and style the captions for your screen recording.

Mac & Windows. No card. Record, edit, and preview free. A one-time license is required to save or export. Media processing stays on your device. Internet is required for license activation and update checks.

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