Guide 2025

Best AI Subtitle Generator for Video Marketers

Video marketers can generate branded subtitles, repurpose ad footage, and publish across TikTok, LinkedIn, YouTube and Instagram from one AI-powered platform.

Video marketing without subtitles leaves 85% of your audience behind. Most social video is watched on mute. ViralWiz adds accurate, branded subtitles to your marketing videos and publishes them across all your social channels — saving hours of manual work per campaign.

How marketers use ViralWiz

  • Add subtitles to product demo videos
  • Translate video ads for international markets
  • Repurpose ad creatives for TikTok and LinkedIn
  • Create social proof clips from customer testimonials
  • Publish to multiple platforms in one click

Try ViralWiz free

30 free minutes every month. No credit card required.

Tips for marketers

Save a brand preset

Set your brand colors, font, and caption style once. Apply it to every video instantly — consistent branding across all platforms.

Use LinkedIn for B2B

LinkedIn videos with captions get 3× more engagement than without. Connect your company page to ViralWiz and publish directly.

Test caption styles

Bold white text on dark backgrounds tends to perform best for product videos. Try the "viral" preset included in ViralWiz.

Frequently asked questions

Can multiple team members use ViralWiz?

Yes. Pro plan includes 3 team seats, Business plan includes 10 seats.

Can I add subtitles to vertical ad videos?

Yes. ViralWiz supports any aspect ratio. For social ads, the 9:16 vertical format is fully supported.

Does ViralWiz support multiple languages?

Yes. ViralWiz supports 90+ languages for transcription. Subtitles can be generated in the original language or translated (translation coming soon).

Ready to create viral content?

Join thousands of marketers using ViralWiz to grow their audience.

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