YouTube Description Generator
Upload your subtitle file and get an SEO-optimized YouTube description with timestamps, chapters, and a call-to-action. Copy and paste into YouTube.
Drop your subtitle file here
Supports SRT, VTT, ASS, SSA, SUB, SBV
How It Works
Three simple steps
Upload your subtitle file
Drag and drop your SRT, VTT, or ASS file. Any subtitle format works.
Add context (optional)
Include your channel name, website link, or target audience to personalize the description.
Copy your description
Get a ready-to-paste description with title, overview, timestamps, and CTA. One click to copy.
Upload your subtitle file
Drag and drop your SRT, VTT, or ASS file. Any subtitle format works.
Add context (optional)
Include your channel name, website link, or target audience to personalize the description.
Copy your description
Get a ready-to-paste description with title, overview, timestamps, and CTA. One click to copy.
Why Use This Tool
Auto-generated timestamps
AI groups your subtitles into 5-15 meaningful chapters with accurate timestamps. No manual work.
SEO-optimized copy
Every description includes keyword-rich titles and overview paragraphs designed to rank in YouTube search.
Any subtitle format
Works with SRT, VTT, ASS, SSA, SUB, and SBV files. Upload whatever format you have.
Copy-paste ready
Plain text output, under 2000 characters. One click to copy, paste directly into YouTube.
Frequently Asked Questions
Upload a subtitle file from your video. The AI reads your subtitles, identifies key topics and transitions, and generates a complete YouTube description with a title, overview paragraph, chapter timestamps, and a call-to-action section.
All major subtitle formats: SRT, VTT (WebVTT), ASS, SSA, SUB (MicroDVD), and SBV (YouTube). Upload whichever format you have — the tool handles the rest.
The AI analyzes your subtitles to find natural topic shifts and key moments, then groups them into 5-15 chapters. The first chapter always starts at 0:00. Each chapter covers 30 seconds to 3 minutes of content.
Yes. Use the optional 'Additional Context' field to add your channel name, website URL, social links, target audience, or keywords. The AI incorporates this into the call-to-action section.
By default, the description matches the language of your subtitles. You can override this with the language selector to generate the description in any of our 20+ supported languages.
Descriptions are kept under 2000 characters to fit YouTube's visible preview. Subtitle files can be up to 10 MB, which covers even long-form content.
Need more from your videos?
Vidocu turns videos into subtitles, voiceover, translations, and help articles — automatically.