ZapSubs

The most powerful and user-friendly AI subtitle generator for content creators. Generate professional subtitles in seconds, completely free.

Quick Links

  • Home
  • Upload a video
  • Compare Tools
  • Blog & Resources
  • About

Tools

  • AI Subtitle Generator
  • TikTok Subtitles
  • YouTube Subtitles
  • Add Subtitles Online
  • Auto Caption Generator
  • Emoji Generation
  • Translate Subtitles

Support

  • Contact Us
  • Privacy Policy
  • Terms of Service
© 2026 ZapSubs. All rights reserved.
Powered by Whisper AI
ZapSubs
Sign Up
HomeAutomatic Caption Generator
Free automatic captions

Automatic Caption Generator

Upload a video and get AI captions automatically — then edit timing and style in the browser. Free basic exports with no watermark, no account required.

Generate captions freeSee how it works

Automation Process

AI-Powered Caption Generation

Upload Video
Instant
AI Processing
30s
Perfect Captions
Ready to edit

Powerful Automation That Saves Time

Transform your content creation workflow with AI-powered caption generation

Auto
AI captions from your audio
Free
Basic video, no watermark
0
Account needed to start
40+
Languages to translate (Pro)

Advanced AI Automation Features

Professional-grade automation that handles everything for you

Fully Automated

Upload your video and get AI captions without typing them out by hand

Fast turnaround

Get editable captions in minutes so you can style and export the same session

Editable quality

Fix wording and timing in the browser before you export — you stay in control

Translate when needed

Generate captions, then translate with Pro when you need another language

Why Choose Automation?

Skip manual transcription for short-form and long clips
Edit captions before export so mistakes are easy to fix
Unlimited video exports with no watermark on Free, including 5 animated presets
3 free SRT/VTT downloads per month; unlimited on Pro
Works for creators, educators, and teams
Start without an account on /generate

Multi-Language AI Support

English (US, UK, AU)
Spanish (ES, MX, AR)
French (FR, CA)
German (DE, AT)
Italian (IT)
Portuguese (PT, BR)
Chinese (CN, TW)
Japanese (JP)

🤖 Smart Language Detection

Our AI automatically detects the language in your video and generates perfect captions in the same language.

How Automatic Caption Generation Works

1. Upload Video

Upload your video or audio file. Our AI will automatically detect the language and start processing.

2. AI Processing

Advanced AI analyzes your audio, transcribes speech, and creates perfectly timed captions automatically.

3. Download Captions

Download your captions as SRT, VTT, or burn them directly into your video for immediate use.

Automate Your Caption Generation Today

Join thousands of content creators and businesses who save 95% of their time with our AI-powered automation. Professional quality, zero manual work.

Start Automating NowLearn More

Free basic exports • No watermark • No account to start • Pro unlocks animated presets

Sign In