Submagic: AI Captions & Video Editor for Viral Shorts

Submagic is an AI-driven video captioning and editing platform built for creators who want scroll-stopping short-form content without the editing grind. In under two minutes, it transforms a raw video upload into a polished clip complete with accurate auto-generated captions, trendy templates, auto emojis, and highlighted keywords that mimic the viral style dominating TikTok, Instagram Reels, and YouTube Shorts. Support for 48 languages means creators can localize content effortlessly and reach global audiences without manual transcription work. Beyond captions, Submagic doubles as a lightweight AI video editor. Features like AI clip making, auto-zoom, B-roll insertion, transitions, sound effects, background music, and image/GIF overlays let users produce dynamic, professional-looking videos entirely within one platform. It also generates video descriptions and hashtags automatically, streamlining the entire publishing workflow from raw footage to a caption-ready, SEO-friendly post. Designed with speed and virality in mind, Submagic appeals to anyone who regularly publishes short-form video—from solo creators and coaches to marketing agencies and e-commerce brands. By automating the tedious parts of video production, it frees up time for creators to focus on ideas and storytelling while still delivering content optimized for maximum engagement.

1. Upload your raw video file to Submagic. 2. Let the AI automatically generate accurate captions in your chosen language. 3. Customize subtitle styles using trendy templates, add emojis, and highlight key phrases. 4. Enhance the video with B-roll, transitions, sound effects, background music, and auto-zoom effects. 5. Generate an AI-written description and relevant hashtags. 6. Export and publish to TikTok, Instagram Reels, YouTube Shorts, or other platforms.