AutoLegendas - Captions for TikTok, Reels, Shorts

Auto captions for TikTok, Reels & Shorts in minutes with 99% accuracy

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Updated Jul 2026 · Added Jul 2026

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What is Autolegendas?

AutoLegendas is an AI-powered tool that automatically generates synchronized captions for videos optimized for TikTok, Reels, Shorts, and YouTube. Simply upload your video, choose a style, and receive professional captions with perfect synchronization in minutes without manual editing. It features 99% transcription accuracy for Brazilian Portuguese, AI-native language support, and rapid cloud processing for videos up to 5 minutes.

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Key Features of Autolegendas

Automatic AI transcription with 99% accuracy
Optimized caption styles for TikTok, Reels, Instagram Shorts and YouTube
Animated captions with word highlighting and intelligent positioning
PT-BR to English translation (Pro+ plan)
AI-powered emoji suggestions and grammar correction (Pro plan)
Export as SRT or MP4 with embedded captions
Rapid cloud processing - 5 minute videos processed in minutes
Supports MP4, MOV, AVI, MKV and WebM formats
Native AI support for Brazilian Portuguese dialect

Who Should Use Autolegendas?

Create engaging captions for social media creators on TikTok

Generate synchronized subtitles for YouTube videos

Quickly add captions to Instagram Reels

Translate Portuguese captions to English for international audiences

Add stylized captions to short-form video content

Autolegendas: Pros & Cons

✓Pros

99% transcription accuracy trained specifically for Brazilian Portuguese
Fast processing - videos up to 5 minutes ready in minutes with no queue
Optimized caption styles designed for social media platforms
Exports as editable SRT files for use in any video editor
AI suggestions for emojis, highlighting and grammar correction
Affordable pricing in Brazilian Real without currency conversion
No manual caption editing required

Frequently Asked Questions about Autolegendas

What video formats does AutoLegendas support?

AutoLegendas accepts MP4, MOV, AVI, MKV and WebM file formats.

How long does it take to process a video?

Videos up to 5 minutes are typically processed in minutes with no queue delays.

Can I export captions for use in other video editors?

Yes, you can export captions as SRT files for use in any video editor like Premiere, CapCut, or DaVinci Resolve, or export as an MP4 with captions already rendered.

Does AutoLegendas support multiple languages?

AutoLegendas has native AI support for Brazilian Portuguese and offers PT-BR to English translation on the Pro+ plan.

What makes AutoLegendas better than CapCut's automatic captions?

AutoLegendas uses Deepgram nova-2 AI trained specifically for Brazilian Portuguese, resulting in better accuracy with slang, accents and proper names. It also has a dedicated caption editor and SRT export capability.