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AI · Free Online Tool

Auto Caption Generator for Reels & Shorts

Burn viral captions into video. Free auto caption generator — kinetic subtitles for TikTok, Reels & Shorts. Hormozi style, custom fonts, no watermark.

Private & Free

Launch Auto Captions

Tap below to load the interactive editor. Keeps the page fast on mobile until you are ready.

No signup · Runs in your browser

What is Auto Captions Generator?

Generate animated Hormozi-style captions for TikTok, Reels, and YouTube Shorts. Auto-sync speech to text, customize fonts and colors, export with burned-in subtitles.

Why creators use Auto Captions

Auto Captions is designed to help creators move faster with every stage of the content pipeline. Whether you are polishing a short-form video, extracting captions, generating hashtags, or converting media formats, this tool keeps your workflow inside the browser and avoids extra apps.

  • Higher retention
  • Accessible content
  • Faster than manual subs
  • Trending visual style

Best use cases

Popular use cases include creator workflow optimization, rapid social video publishing, and preparing content for YouTube, Instagram, TikTok, and other channels.

  • Talking-head Shorts

    Auto-caption educational and opinion content.

  • Podcast clips

    Repurpose audio highlights with dynamic text.

  • Global audience

    Improve comprehension without voiceover dubs.

Key features

This tool is built for speed, clarity, and precision. The work you create here is meant to be publish-ready, with direct export options and smart presets for the most common creator workflows.

  • Auto speech sync
  • Kinetic text styles
  • Custom colors & fonts
  • SRT + burned export

How Auto Captions helps creators publish faster

Over 70% of social media users watch videos on mute, making captions absolutely essential for viral success. Manually syncing text to speech is a tedious, soul-crushing process. The Seloice Auto Captions generator leverages advanced AI speech-to-text models to instantly transcribe your audio and automatically sync dynamic, Hormozi-style subtitles that grab attention and dramatically increase viewer retention.

Start by uploading your polished MP4 file to the tool. The AI engine quickly scans the audio track and generates a word-perfect transcript with precise timestamps. You can review the text to fix any slang or proper nouns. Next, apply a kinetic visual template, adjust the font and highlight colors to match your personal brand, and render the final video with perfectly timed, eye-catching subtitles burnt directly into the footage.

Best practices

  • Use bold, sans-serif fonts with thick strokes or drop shadows for maximum legibility on mobile.
  • Keep captions limited to 3-5 words per line so viewers do not have to read large blocks of text.
  • Highlight the active spoken word in a bright contrasting color like yellow or green.
  • Double-check that your captions reside safely within the platform’s middle “safe zone.”

Common mistakes to avoid

  • Leaving auto-generated spelling errors unedited, which makes the video look unprofessional.
  • Choosing a font color that blends into the video background, making subtitles unreadable.
  • Placing captions too low, where they get blocked by TikTok or Instagram UI elements.
  • Using slow caption animations for high-energy videos, ruining the pacing.

How to use Auto Captions

  1. Upload video

    Add your MP4 — vertical or horizontal.

  2. Generate captions

    AI transcribes and times each word.

  3. Review transcript

    Quickly edit any misspelled names or industry jargon.

  4. Style & export

    Pick animation style and download captioned video.

Creator tips

  • First 3 seconds need a visual hook AND bold caption — combine with Viral Hooks tool.
  • Use high contrast colors (yellow on black) for mobile readability.
  • Export SRT for YouTube long-form, burned-in for Shorts.

Faster than CapCut manual captions — batch-ready styles built for viral short-form.

Troubleshooting

Wrong words transcribed

Manually edit transcript; use cleaner audio source or external mic.

Timing off

Adjust word timestamps in editor before burn-in export.

Export slow

Shorter clips process faster; close background apps on mobile.

Frequently asked questions

What are Hormozi-style captions?

Bold, word-by-word highlighted subtitles proven to increase watch time on short-form video.

Can I edit caption text?

Yes — fix names, slang, and timing before export.

Does it work for TikTok?

Yes — export 9:16 captioned MP4 ready for TikTok upload.

Is transcription accurate?

High accuracy for clear English audio; noisy environments may need manual fixes.

Can I change the font style?

Yes, you can fully customize the font, colors, stroke, and highlight styles to match your brand.

More creator resources

Need more tips for creating viral content? Our blog shares creator workflows, caption formulas, hashtag strategies, and editing shortcuts that pair perfectly with this tool.