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AI Services for Video Creator that Solve "Social Media Short-Form Video Production"

AI Services for Video Creator that Solve "Social Media Short-Form Video Production"

On TikTok, Instagram Reels, and YouTube Shorts, posting frequency itself affects how the algorithm treats your content, so video creators need a production setup that balances volume with quality. Manually re-editing long-form footage into vertical highlight clips every time is inefficient. This page compares AI tools that support mass-producing short-form video.

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トップビュー

Topview

An 'AI video agent' that plans scenes and picks models to generate video from an idea, script, reference video, or product URL. Beyond marketing videos it makes short films and vertical dramas, with every shot editable on Canvas; it orchestrates external models like Seedance. Credit-based from $29/mo.

# 動画生成# 生産性向上# 業務効率化# マーケティング

ヒッグスフィールド

Higgsfield

A cinematic AI video and image generation platform giving cross-access to more than 15 video generation models — including Sora 2, Veo 3.1, and Kling 3.0 — plus the latest image generation models, all under a single subscription. Its strength lies in film-like camera work, and it has grown to more than 25 million users. Having reached a $1.3 billion valuation, it is one of the most fast-moving AI video startups right now.

# 動画生成# 画像生成# 音声生成# 品質向上・クリエイティブ支援

エーアイツールボックス

AI Toolbox

A collection of free, browser-based AI and online tools for processing video, images, and audio. No upload is required—files are processed right in your browser, so it is privacy-conscious. From video splitting to a variety of image and audio tools, it is easy to use for creators, marketers, and web designers as well as general users. Japanese-language pages are supported.

# 動画生成# 画像生成# 音声生成# 業務効率化# 日本語対応

キャップカット

CapCut

CapCut is a video editing app from Bytedance Pte. Ltd. (Singapore), part of the ByteDance group behind TikTok. It runs on mobile, desktop, and browser, offering auto captions, background removal, and AI image/video generation for free to start. CapCut Pro costs JPY 1,080+/month or JPY 9,900/year via the Japan App Store (as of August 2026), with a fully Japanese UI.

# 動画生成# 字幕生成# 品質向上・クリエイティブ支援# 業務効率化# マーケティング# 日本語対応

シーダンス

Seedance

Seedance is an AI video generation model developed by ByteDance (China). The latest Seedance 2.5 supports up to 30 seconds of continuous generation and up to 50 reference assets (images, video, audio). General users access it via Dreamina international or CapCut; developers use the BytePlus API. Free daily credits are available, with USD-based credit plans and pay-as-you-go API pricing.

# 動画生成# 品質向上・クリエイティブ支援# API・SDK# アイデア支援／創造ツール# マーケティング

ワン

Wan

Wan (Tongyi Wanxiang) is Alibaba's family of AI video and image generation models with an official online service. Wan2.1/2.2 are open models under Apache 2.0, and the latest Wan 3.0 (beta) supports native 30-second generation. Free daily credits on wan.video, with paid plans from $5/month (billed yearly); billing is in US dollars.

# 動画生成# 画像生成# 品質向上・クリエイティブ支援# API・SDK# アイデア支援／創造ツール

ユーディオ

Udio

An AI music generator (by Uncharted Labs) that creates full songs with vocals from a text prompt. It supports lyrics/style control, extend, inpainting, and audio upload — but since its 2025 Universal Music Group partnership it has become a closed platform, and downloading your generated songs is currently disabled (use stays on-platform). Free plan available, credit-based.

# 音楽生成# アイデア支援／創造ツール# エンタメ／ゲーム・遊び

オーパスクリップ

OpusClip

An AI video editing tool that analyzes long videos and automatically cuts out short, viral-worthy clips. Mass-produce shorts for YouTube, TikTok, and Instagram in one click with captions and vertical reframing. Features ClipAnything for clipping any video, ReframeAnything with subject tracking, virality-score selection, AI B-roll, and an auto-posting scheduler.

# 動画生成# 字幕生成# 業務効率化

ハイルオエーアイ

Hailuo AI

MiniMax's AI video generator (Hailuo AI) that creates cinematic short videos from text or images, now led by MiniMax's own flagship MiniMax H3 (up to 2K). It offers Omni Reference for consistency and acts as a multi-model hub (Veo/Sora/Nano Banana, etc.). Supports text-to-video and image-to-video.

# 動画生成# 画像生成# 品質向上・クリエイティブ支援

ピカ

Pika

An AI video-generation app that creates short videos from text or images, known for its playful 'Pikaffects' special effects. Its 2026 flagship model is Pika 2.5, and it also offers Pikadditions, Pikaswaps, Pikaframes, and Pikascenes. Great for quickly making social/effect videos.

# 動画生成# エンタメ／ゲーム・遊び# 品質向上・クリエイティブ支援

クリング

Kling

A video-generation AI from China's Kuaishou. Turns text or images into high-quality video; the current Kling 3.0 / 3.0 Omni adds native audio and native 4K output. The console is fully localized but billing is USD-only — US$8.8/month on monthly billing, $79.2/year on annual. Free-plan output is watermarked and not for commercial use.

# 動画生成# 画像生成# 品質向上・クリエイティブ支援

ランウェイエムエル

Runway ML

Runway is a creative platform for generating images, video, and audio with AI. You can work across its own Gen-4.5 model, video models such as Aleph, Seedance, Kling, and Veo, images from the likes of Nano Banana Pro, and audio from the likes of Lyria. It's used by more than 60M+ creators and companies worldwide. It's credit-based, with pricing that includes a free tier (125 credits) plus Standard $15/Pro $35/Max $95 (monthly billing; annual billing is $12/$28/$76) and Enterprise.

# 動画生成# 画像生成# 音声合成・文字起こし# 要約・翻訳# AIエージェント

ヘイジェン

HeyGen

An AI video platform that turns text/scripts into videos of a realistic AI avatar speaking, in minutes. It offers Photo Avatars and Digital Twins, translation into 175+ languages with lip-sync, a Video Agent, and an API. Used by 100,000+ businesses. Free tier; Creator from $29.

# 動画生成# 音声生成# AIチャットボット# AIエージェント

インビデオ

invideo

An AI video creation platform that makes videos from text prompts. It has evolved to bundle 200+ AI models (Sora, Veo, Kling, ElevenLabs and more) and have AI agents handle scripting, storyboarding, generation and editing. You can pick the best model for video, image or audio, with multiplayer collaboration; the template-based editor invideo Studio also coexists. Pricing is credit-based.

# 動画生成# 字幕生成

ショートショート

shortshort

shortshort turns long talks, podcasts and courses into vertical shorts cut on complete sentences. From a video file of up to 2GB, or a link to your own YouTube video, AI picks self-contained 15–90-second passages, crops them to follow the speaker and adds word-by-word captions, exporting MP4s in 9:16 or 4:5 (Instagram feed). Shorts can also be scheduled to publish on YouTube (TikTok in early access). Pricing is based on minutes of source video rather than the number of shorts: 30 free credits (30 minutes' worth) at sign-up, then paid plans from €12 a month (excl. VAT).

# 動画生成# 字幕生成# 業務効率化

サウンドバース

Soundverse AI

An AI creative studio that generates songs, music videos, and vocals/voices from a prompt. Directed by a reasoning AI producer 'Agent One' and assistant 'Saar,' it also does stem separation, extension, remixing, and lyrics. You can compose scored with real artists' 'Artist DNA,' and it supports royalty-free/commercial use (by plan).

# 音楽生成# 音声生成# 品質向上・クリエイティブ支援

アージル

Argil

A France-born AI video-creation platform. Using multiple state-of-the-art models — Google Veo, xAI Grok, ByteDance Seedance, MiniMax, ElevenLabs and more — from a single screen, you can generate everything from social videos to short films from a text idea. It started as a tool to build an AI clone (avatar) from your own video, but has pivoted to multi-model video generation. Credit-based pricing (Pro $100 / Business $200).

# 画像生成# デザイン生成# AIエージェント# バーチャルヒューマン

ディーアイディー

D-ID

A digital-human platform that makes talking AI avatar videos from a photo or text, and also provides real-time conversational AI agents (connect any LLM). It offers Creative Reality Studio, Visual AI Agents, video translation, and an API, supporting 120+ languages. Free trial / Studio Lite from $4.7.

# 動画生成# 音声生成# AIチャットボット# AIエージェント# バーチャルヒューマン

キャプションズ

Captions

An AI video app that generates and edits video with AI avatars (AI actors) using its own "Mirage" foundation model. Operated by NOCAP, Inc. of New York (rebranded from "Captions" to the parent brand "Mirage" in 2025). Create video with AI avatars without filming, and add cuts, B-roll, music and captions via chat instructions. Translation in 100+ languages; 20M+ users. Free to credit-based pricing.

# 動画生成# 音声生成# AIチャットボット# AIエージェント# 字幕生成

クラップ

Klap

Klap, from ZIGG SAS, is an AI video-repurposing tool that automatically turns a YouTube video or long-form content into vertical short-form videos (for YouTube Shorts, Instagram Reels, and TikTok) just by uploading it. It offers highlight extraction, auto-reframe, auto captions in 52 languages, and AI dubbing in 29 languages, plus direct social posting and scheduling. Pricing starts at Basic $29 (discounted annually).

# 動画生成# 字幕生成

カイバーエーアイ

Kaiber AI

An all-in-one AI creative workspace that gathers leading generative models — Veo, Kling, Sora, Nano Banana — in one place to generate, edit, and rearrange video and images. Structured as Canvas (multi-model generation), Beat Sync (batch beat-synced), and Editor. $5 / 5-day trial, paid from $10.

# 動画生成

ワイインビデオ

WayinVideo（旧Videohunt.Ai）

An AI video clipping tool that auto-detects highlights in long videos and turns them into vertical, viral-ready shorts (formerly Videohunt.Ai, now WayinVideo). Beyond clipping it is an all-in-one: natural-language video search (Find Moments), summarization, multilingual captions, and auto-reframing. Captions, summaries, and translation cover 100+ languages including Japanese, but the interface itself is English only.

# 動画生成# 字幕生成

フレックスクリップ

Flex Clip

FlexClip, from PearlMountain (Hong Kong), is an AI-powered online video editor you use in the browser with templates and drag-and-drop, no install required. On top of 6,000+ templates and a huge stock library, it offers AI features like text/product-URL/PPT-to-video, auto subtitles in 140+ languages, AI narration, and background removal. Japanese UI supported. Pricing: Free / Plus from $11.99/mo / Business from $19.99/mo (billed annually).

# 動画生成# 字幕生成# 日本語対応

ノーラング

NoLang

Mavericks Inc.'s made-in-Japan AI video generator. Enter text, a URL, or a PDF, and the AI analyzes it and auto-generates a video with an avatar narrating the explanation in seconds. Strong for education, training, manuals, and inbound PR in addition to vertical shorts; supports 18 languages and a Chrome extension. Over 200,000 registered users.

# テキスト生成# 動画生成# 日本語対応

ビデオブレイン

Video BRAIN

Video BRAIN, from Open8 Inc., is an AI video-editing cloud that lets anyone create business videos for internal training, sales, marketing, and recruiting without specialized skills. Drop material into a template and the AI edits automatically, through delivery and analytics. It officially claims "No.1 share for five years," with 1,100+ companies adopting it (about half of the Nikkei 225). It offers 3,500+ templates, royalty-free stock, and ChatGPT assist; pricing is by inquiry.

# 動画生成# マーケティング# セールス

シャールック

SHERLOOK

SHERLOOK is a "proofreading tool for video" from HARAKAMI Inc. that supports the final check of finished videos. Upload a video and its AI checks on-screen caption typos, differences from the script, visual glitches such as black frames and gaps, audio levels, social media safe zones, and each client's banned and required wording, then organizes the results into a list with timecodes, the relevant frames and suggested corrections. Results can be shared via a link that needs no login, or as PDF/CSV. An MVP version for businesses is available from ¥30,000 per month (excl. tax, per account).

# AI-OCR（文字認識）# 字幕生成# 音声認識・音声合成# 品質向上・クリエイティブ支援# 業務効率化# 日本語対応

エーアイショーツ

AI Shorts

A Japanese video-generation service that turns documents (PDF, PowerPoint, images) into narrated videos — just upload, and AI auto-generates the script and adds narration. It supports AI voices in 15+ languages, making training, manuals, and product explanations into multilingual video quickly. By AGENTEC Co., Ltd.

# 動画生成# 音声合成・文字起こし# 字幕生成# 要約・翻訳# 業務効率化# 日本語対応

チューブマジック

TubeMagic

An all-in-one AI tool for YouTube creators built around AI script writing (formerly Morise.ai; acquired by popular YouTuber Matt Par). An AI that learns your channel style writes scripts, and it supports idea generation, SEO optimization of titles/descriptions/tags, and thumbnail generation. It has no video editing/export feature and focuses on scripts and SEO.

# 動画生成# 字幕生成

ソラ

Sora

[Discontinued] OpenAI's video-generation AI that created videos with audio from text or images. OpenAI announced its discontinuation in March 2026; the app/web shut down on April 26, 2026 (the API is set to end September 24, 2026). Export data per the official guidance. Alternatives for video generation include Kling, Hailuo, Veo, and Pika.

# 動画生成# 音声生成# 品質向上・クリエイティブ支援

クロモックスエーアイ

Chromox AI

Appears to have shut down. An AI video generation tool that produced visual storytelling footage from prompts. Neither the official domain (chromox.com) nor chromox.alkaidvision.com, cited as its successor, resolves in DNS. This page lists alternatives available today.

# 画像生成# 動画生成

ビデオエフエックス

VideoFX

Google's former text-to-video AI tool. It has now been merged into the successor AI filmmaking tool “Google Flow,” and the old URL redirects to Flow. Flow is built around the video model Veo (currently Veo 3.1, with native audio generation) and lets you build scenes and control the camera.

# 動画生成# 日本語対応

ヴィザード

Vizard

An AI video editing tool from Vizard, Corp. (USA) that turns long videos into short clips. Upload a YouTube video, podcast or webinar, and the AI transcribes it, picks the highlights and cuts them into captioned clips reframed to vertical. It also offers text-based editing (cut the video by deleting the transcript), caption translation into 100+ languages, brand templates, scheduled social posts and team sharing, plus a separate Vizard Agent that makes videos from instructions. Available on the web and as an iPhone app. Transcription supports Japanese (the interface and help center are in English). Free plan with 60 credits/month (1 credit = 1 minute of video); Creator $29 and Business $39 billed monthly (half price yearly).

# 動画生成# 字幕生成# 業務効率化# マーケティング

ピクスバース

PixVerse

An AI video generator operated by AIVORA PTE. LTD. of Singapore. It turns text or images into short videos using its own PixVerse V6 model (up to 15 seconds, 1080p, with audio), other companies' models such as Seedance and Kling, and templates such as dance and transformation effects. The website and app support Japanese. There is a free Basic plan (watermarked) and paid plans from $10/month.

# 動画生成# 画像生成# 品質向上・クリエイティブ支援# 日本語対応

ウィンク

Wink

An AI app from Meitu, Inc. (listed on the Hong Kong Stock Exchange) for enhancing videos and photos and retouching people. It upscales blurry videos to HD and 4K and retouches faces, skin and body shape in videos, and also offers AI object removal, automatic captions using AI speech recognition and video editing tools. Available as a mobile app (Japanese supported, free to start; VIP is listed on the Japanese App Store at ¥1,200 per month and more), Wink Web (Standard from $15 per month) and desktop apps for Mac and Windows.

# 動画生成# 字幕生成# 顔認証・画像解析# 品質向上・クリエイティブ支援# 日本語対応

ビドゥ

Vidu

An AI video generator developed by ShengShu Technology in China. It creates videos from text, images, and multiple reference images, and its "Reference to Video" keeps characters and props looking consistent. Vidu Q3 generates video with audio up to 16 seconds, and Vidu Q4 Preview (October 2026) supports up to 4K and 15 reference images. The official site is available in Japanese; pricing is in USD from $10/month (free credits available).

# 動画生成# 画像生成# 品質向上・クリエイティブ支援# 日本語対応

メロオンガク

MELO音楽

MELO音楽 (MELO Music; Chinese: MELO音乐) is an AI song-making service run by Beijing Lingxi DeepMind Technology Co., Ltd. (北京灵犀深智科技有限公司) in Beijing, China. From a one-line description, lyrics, humming or a photo, it generates songs up to 8 minutes long with lyrics, melody, arrangement and vocals, and also offers covers, voice cloning, up to 12-stem WAV export, and MIDI and sheet-music export. Available on iOS, Android, as a WeChat Mini Program and on the web. Free points reset daily, and paid membership starts at ¥1,100/month (Japanese App Store). The interface is in Chinese (partly English) with no Japanese UI, but songs with Japanese lyrics are supported.

# 音楽生成# 音声生成# 品質向上・クリエイティブ支援# エンタメ／ゲーム・遊び

モンティ

Monty

Monty (monty.fast) is an AI video agent that takes one unedited vertical video shot on a phone and automatically cuts pauses, filler words and bad takes, adds speech-synced captions, music ducked under your voice, b-roll matched to what you say and cleaned-up audio, then exports versions for YouTube Shorts, Instagram Reels, TikTok and Telegram. It also writes scripts and offers a browser teleprompter. Currently in open beta: the Free plan gives 3 videos a month (watermarked), and paid plans start at $29/month for Creator (excluding tax). No Japanese interface.

# 動画生成# 字幕生成# AIエージェント# マーケティング# 業務効率化

ワンオブテン

1of10

An AI-powered YouTube research and ideation tool that finds 'outlier' videos (which greatly outperform a channel's or niche's average) and, based on them, generates winning ideas, titles, and thumbnails. Combining thumbnail generation trained on real YouTube data with outlier analysis, it handles click-worthy creative and CTR analysis in one place. Japanese UI supported.

# デザイン生成# マーケティング# 日本語対応

クソドットエーアイ

quso.ai

An all-in-one AI social-media tool (formerly vidyo.ai) covering long-to-short clipping, video editing, captions, post scheduling, and analytics. It also does video generation, content repurposing, and pre-post engagement prediction (Virality Score). Free plan available.

# テキスト生成# マーケティング

ラテエーアイ

Latte AI

[Discontinued] Latte was an AI video-repurposing tool that automatically clipped long videos and podcasts into vertical social shorts with animated subtitles (35 languages), but it was discontinued on November 30, 2025 (annual subscribers were fully refunded). The team officially recommends Opus Clip and Submagic as alternatives. Operated by Latte Social (London).

# テキスト生成# マーケティング

ピクスアート

Picsart

PicsArt, Inc. (USA) makes this photo and video editing app. Beyond AI photo editing such as background removal, object removal and AI enhancement, it generates images and videos with 180+ AI models including Nano Banana Pro, Seedance, Kling and Veo, and runs on iOS, Android, the web and Windows. It supports Japanese and is free to start. On the web, Pro costs ¥2,429/month (¥1,699/month billed annually), and Ultra starts at ¥6,082/month billed annually depending on the credit amount.

# 画像生成# 動画生成# デザイン生成# 品質向上・クリエイティブ支援# 日本語対応

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Automatically Finding the "Best Bits" in Long-Form Footage

Some tools can detect exciting moments or standout quotes in long-form footage — like a stream archive or interview — and automatically cut them into clips. If a tool can also handle cropping to vertical format and adding captions in one pass, you can produce several short clips from a single piece of long-form content in a short amount of time.

What to Look for When Choosing

How accurate is the highlight detection (does it pick up the moments you actually want)?
Does it support format conversion to vertical, square, and other aspect ratios?
How natural is the automatic caption/subtitle placement?
Does it accommodate the length and aspect-ratio limits of each platform you're posting to?