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OQuark

Best AI for short-form video and clips

Turn long videos into captioned vertical clips for TikTok, Reels and Shorts.

Updated October 2026

Ranking criteria

Quality of automatic clips cut from long videos, automatic captions (including in Portuguese), vertical formats and publishing to TikTok, Reels and Shorts, free tier and pricing transparency.

Ranking

  1. #1

    OpusClip

    OpusClip

    AI tool that turns long videos into short clips with automatic captions and reframing and publishes them to social networks.

    Why it ranks here: It leads with automatic clipping of long videos, Portuguese captions, 9:16 format and direct publishing to TikTok, Instagram and YouTube Shorts from US$15/month; the free plan exports with a watermark.

  2. #2

    Submagic

    Submagic

    AI short-form video editor that generates automatic captions, cuts long videos into clips (Magic Clips) and schedules social posts.

    Why it ranks here: It combines captions in 123 languages including Portuguese, automatic clipping and publishing for TikTok, Reels and Shorts, with published prices from US$19/month; it ranks below OpusClip because it has no free plan.

  3. #3

    quso.ai

    quso.ai

    AI tool (formerly vidyo.ai) that finds the best moments in long videos, podcasts and streams, reframes them to vertical, adds animated captions and schedules social posts.

    Why it ranks here: It has a free plan, published monthly prices, captions in 99 languages including Portuguese, 9:16, 1:1 and 16:9 formats and publishing to TikTok, Instagram and YouTube; it ranks below Submagic because posting beyond TikTok requires the US$39/month Essential plan.

  4. #4

    CapCut

    CapCut

    Video editor with a free plan and AI tools, including a feature that finds highlights in long videos and cuts them into captioned vertical clips.

    Why it ranks here: It has a free plan, a Portuguese site and automatic clipping of long videos with captions and 16:9-to-9:16 conversion, but it doesn't confirm direct social publishing and the Pro plan costs US$19.99/month.

  5. #5

    2short.ai

    2short.ai

    Web app that uses AI to find the best moments in long YouTube videos and turn them into clips for YouTube Shorts, TikTok and Reels, with animated captions and face tracking.

    Why it ranks here: It has a free plan, published monthly prices from US$9.90/month, Portuguese among its languages and vertical, square and horizontal formats, but it works from YouTube links, only processes videos that have captions and the official site doesn't confirm direct social publishing.

  6. #6

    Vizard

    Vizard, Corp.

    AI tool that turns long videos into clips for TikTok, Instagram and YouTube Shorts, with captions, vertical reframing and direct publishing.

    Why it ranks here: It has a free plan with 60 credits/month, automatic clipping, captions and vertical reframing, but the site didn't confirm Portuguese support or show paid-plan prices.

  7. #7

    Captions

    NOCAP, Inc.

    AI video editor that produces edited videos, with captions in 100+ languages and clip creation from long videos.

    Why it ranks here: It has a free version, captions in 100+ languages and published prices, but clipping long videos is in the Max plan (US$24.99/month), and the site doesn't confirm Portuguese or direct publishing.

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