Automatically transcribe speech in 90+ languages, apply viral word-by-word animated captions, and export high-retention videos for TikTok, Reels, and YouTube Shorts in seconds.
Everything you need to produce engaging subtitles that increase viewer retention.
Auto-transcribe your videos in over 90+ languages with industry-leading word timestamp accuracy.
Apply modern styling including bold fills, customizable borders, dynamic shadow offsets, and animated word highlights.
Our optimized backend renders your output immediately, ensuring you never wait around to download your media.
High-converting AI captions without the inflated price tag. Free plan available forever.
Test the AI caption engine and create clips to try out styles.
Designed for short-form creators (Reels, TikToks, Shorts).
For high-volume creators, agency owners, and podcasters.
We believe in 100% feature transparency. Below are the next big features in active development:
Answers to common questions about our AI auto captions, animated subtitle styles, pricing, and video exports.
Simply upload your MP4, MOV, or AVI video to Caption Spark. Our AI automatically transcribes the audio in seconds with 90%+ accuracy across 90+ languages. Choose from viral animated caption styles like Hormozi bounce or karaoke highlight, customize fonts and colors, then click Export to download your video ready for TikTok or Reels.
Yes! Caption Spark offers a 100% free plan that lets you transcribe and export up to 3 videos every month in 720p HD with access to 90+ languages and all core animation presets. No credit card required.
Caption Spark provides the same high-end word-by-word animated caption quality as Submagic at a fraction of the cost ($3.99/mo Starter or $6.99/mo Pro vs $20-$50+/mo on Submagic). Unlike CapCut's desktop app which locks key animation features behind paywalls, Caption Spark runs directly in any browser with dedicated creator workflows, AI social kits, and zero software installs.
Caption Spark supports speech recognition and transcription in over 90 languages including English, Spanish, French, German, Portuguese, Hindi, Japanese, Korean, Arabic, and Italian with high accuracy.
Yes. Caption Spark specializes in kinetic word-by-word captions where spoken words pop, scale, or highlight in real-time, proven to boost 3-second viewer retention by over 40% on vertical platforms.
Free tier videos include a discreet watermark. All paid plans (Starter Creator at $3.99/mo and Pro at $6.99/mo) include 100% clean, unbranded, watermark-free video exports.
Caption Spark offers an unconditional 31-day money-back guarantee. If you are not satisfied for any reason, request a refund with one click in your account settings or contact support for an instant full refund.