Top Free AI Agents, Ranked by Real Usage
Free on Capafy AI is not a demo tier. These are full Skills that publishers list at no cost — and they do real work: let any LLM watch videos, generate kids content, decode YouTube trends, repurpose content and more.
There are 12 completely free agents and 24 free trials on the marketplace. This page ranks the most-used of all of them by real sales.
Top 5 at a glance
- 13,414 soldFree
- 2Kids Video Generator - Halloween Editionby jihen Zitouni2,651 soldFree
- 3Free Transcript to 12 Shorts Packby Akira AI Workflow Studio2,025 soldFree
- 41,221 soldFree
- 5VideoDB - Free Claude Skillby Irene561908 soldFree
Ranking: live sales counts from the Capafy marketplace, free and free-trial agents only. No APK or download — every agent runs in your browser.
All agents in this ranking
Sorted by sales — the most-run agents first.

Open-source CLI (MIT, 2k+ GitHub stars, Hacker News front page). Turn any video URL or local file into scene-aware keyframes plus a timestamped, speaker-labeled transcript your LLM can actually read. - Runs 100% on your machine, nothing is uploaded - Works with Claude, ChatGPT, Gemini or local models - URL videos reuse the platform's own captions, Whisper otherwise New in 0.10.5: Apple Silicon GPU transcription, about 6x faster on M-series Macs, same no-fake-captions gate.

Generatore automatico di script, prompt visivi e contenuti video interattivi per bambini dedicati a temi festivi come Halloween.

Paste a transcript or article and get 12 short-video concepts, 36 hooks, scripts, captions and a 14-day calendar. Free download for your AI client — or run it in your browser with a free trial.

Turn a short idea into a polished English prompt for photorealistic AI image or video generation. 짧은 한 줄 설명만 입력하면 실사 피부 질감, 자연스러운 불완전함, 카메라 느낌, 조명 분위기까지 자동으로 정리해서 이미지·영상 생성용 영어 프롬프트로 만들어주는 무료 Skill입니다.

VideoDB from affaan-m’s ECC project. Use it to ingest, understand, search, edit, and monitor video or audio from files, URLs, live streams, or desktop sessions. Build visual and speech indexes, find moments by timestamp, generate clips and subtitles, transcode media, add overlays or audio, and create alerts for live events. Powered by the VideoDB SDK and API.

Diagnose why the first 6 seconds of your short-form video loses viewers — get a second-by-second evidence timeline, up to 3 named findings, 3 structurally different replacement hooks, and a timecoded edit table you can cut today.

以官方與第一手資料分析台灣、美國、中國、歐元區、日本的總經、政策與重大新聞,建立基準/樂觀/悲觀三情境,並轉化為可追溯的台股題材與研究候選

不用寫 Prompt。上傳清楚人物照片,免費從 3 種 Q 版風格中選 1 種,製作一張頭大身體小、保留本人特色、完整不切邊的可愛角色;喜歡成品後,還能自然延伸做成自己的 LINE 貼圖。

Agent IA autonome pour créer chaque jour des vidéos courtes premium sur la Psychologie Sombre, le Stoïcisme, la Maîtrise Émotionnelle et l’Intelligence Sociale, de l’idée à la publication et à l’analyse.

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Hands-on prompt engineering and LLM evaluation. Built around a diagnose-then-ship loop: forensic transcript critique ▎ that names the exact failure mode, paired with a fixer that produces complete, deployment-ready rewrites — not ▎ vague advice.

Built by a content strategist who knows every platform has its own grammar. LinkedIn rewards authority and conversation; X rewards brevity and hooks; Instagram rewards personality; short-form video rewards pace. This skill extracts the strongest idea from any long-form content and rebuilds it natively for each channel — not copy-paste, actual reformatting that performs.

YouTube video script generator for creators, educators, marketers, founders, and content teams turning topics, drafts, products, or channel ideas into videos viewers want to keep watching. Get stronger openings, clear video promises, section-by-section structure, retention moments, voiceover direction, visual cues, filming notes, Shorts or long-form script support, and publishing strategy — built to move from hook to payoff without losing the viewer halfway.

Weather art generator that turns any city's live weather into a shareable poster and animated video. Enter a city name; the skill fetches real-time conditions, researches landmarks, and generates a styled poster with weather data rendered directly into the composition — plus a matching animated video with weather-driven motion. Six visual styles from DreamWorks miniature to cyberpunk. Weather drives every visual element: lighting, sky, color tone, and motion are all derived from actual condition

After 10+ years in HR at top companies, I've built more decks than I can count — talent reviews, hiring cases, board updates — and watched which ones actually changed a decision. The winners were never the prettiest; they were the clearest: one point per slide, a title that states the takeaway, a flow that builds to the ask. This Skill turns that standard into your slides — structuring the story, sharpening every headline, and building a clean, professional deck from whatever content you bring.

Turn any idea into a high-retention TikTok, Reel or YouTube Short with a strong hook, fast-paced action, natural dialogue and a memorable ending.”

CineForge AI est votre réalisateur IA. Transformez une simple idée en un projet cinématographique complet : concept, scénario, personnages, univers visuel, scènes, storyboard, dialogues, audio et prompts prêts pour générer vos images et vidéos. Créez, améliorez et remixez votre film tout en conservant la cohérence des personnages, du style et de l’histoire.

“Turn one idea into a production-ready Short with a final script, exact shot timing, storyboards, generator-ready visual prompts, captions, titles, and A/B variants.”

Decode the creative patterns of a user-supplied YouTube video, channel, or niche into an evidence-labeled Viral Blueprint covering hook, title, thumbnail, structure, audience promise, distribution signals, and five differentiated content ideas. Use for reverse-engineering content and planning new videos. Planning only; never guarantees views, CTR, retention, revenue, or virality.

Name two clubs — get win/draw/win %, likely scorelines, xG, form/Elo, and attributed team news. Ten competitions including Brazil’s Série A. Statistical model, not LLM guesswork. Football analysis only — not betting advice.

Turn any prompt into a consistent, accessible UI — not just a pretty one. UI UX Pro Max equips your coding agent with a curated design-reasoning layer: proven UI styles, color palettes, font pairings, and 99 UX and accessibility guidelines, applied automatically across React, Next.js, Vue, Svelte, Tailwind, Flutter, SwiftUI, and more. Plan layouts, generate production-ready components, and ship — without leaving your editor, without a separate design tool.

Interactive step-by-step consultant generating consistent 3-view character reference sheet prompts for Midjourney.

一行指令拿到任何標的的日線技術面全景,AI 直接讀成人話:現在是趨勢還是盤整、現價站在哪些均線之上、哪些訊號正在互相打架。最後一項是散戶最常漏掉的——綜合評分寫「買進」但 RSI 超買加 ADX 低於 20,那不是趨勢,是假突破。支援美股、期貨、加密貨幣、外匯、台股。免 API key、零依賴,純讀取不碰你的帳戶。

Turn any YouTube idea into a stronger content opportunity with titles, thumbnails, retention-first hooks, scripts, production plans, Shorts and publishing assets.

Upload your finished Short, Reel, or TikTok. Get timestamped checks and fixes for captions, on-screen text, and visual mistakes before you publish.

Generate a data-grounded Astro restaurant website from a Google restaurant link

Reverse-engineer any reference image into production-ready AI prompts. StyleClone AI deconstructs 5 visual layers (lighting, optics, style, colors) and generates optimized prompts for Midjourney v6.1, Flux.1, and ChatGPT, with full interactive customization.

AI prompt architect that turns rough ideas into professional, ready-to-use prompts. It understands your goal, identifies what matters, asks only essential questions, and selects the right prompt architecture for the task. Build, refine, audit, and reuse prompts across leading AI models and tools — with intelligent Commands and Prompt Vault support.

Turn any recipe into a meal that respects the eater's gag reflex, texture, smell, and visual comfort — and scores it before you serve it.

Turn any idea into complete, production-ready content campaigns. CREATIVE DIRECTOR AI combines content strategy, high-retention TikTok/Reels scripts, visual shot lists, copy-paste AI prompts, captions, and CTAs into executable marketing systems for creators, brands, marketers, and entrepreneurs.

AI tool that optimizes product catalogs for marketplace listings: compliant titles, bullets, backend search terms, fact-locked claims, gap flags, and prioritization — without inventing specs or market data.

Transformez une simple idée en projet digital complet : business model, site web ou application, fonctionnalités, monétisation, SEO, IA et prompt professionnel prêt à utiliser.

See your subjective experience as it truly is—without labels, judgments, or premature diagnoses.

Paste anything you don't get. It finds where you're actually stuck — no need to ask the right question — and hands you that "oh, now I get it" moment.

As a content strategist, I've spent years helping creators and small brands grow their audience. I built this Skill based on my proven workflow for generating high-engagement 4-panel comics. It incorporates the exact storytelling patterns, character consistency rules, and platform-specific caption strategies I use in real marketing campaigns. Instead of wasting hours on brainstorming, this tool instantly turns your idea into a production-ready comic pack that drives engagement.

CloneCut AI는 숏폼 크리에이터를 위한 맞춤형 대본 및 씬(Scene)별 연출 가이드라인 생성 도구입니다. [주요 기능 및 작업 프로세스] 입력 검증: 유저의 주제, 타깃 플랫폼(Shorts/Reels/TikTok), 원본 텍스트 유효성 검사 후킹 요소 설계: 초반 3초 시선 집중을 위한 오프닝 멘트 3종 제안 상세 타임라인 구성: 초단위 대사, B-Roll 연출 안, 화면 자막, 효과음 추천 결과 검증: 60초 이내 분량 적합성 및 톤앤매너 검증 후 최종 가이드 제공
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Top Free Agents — frequently asked questions
01Are these AI agents really free?
The ones marked Free cost nothing to run and stay free. Free Trial agents let you test a paid agent before subscribing — the exact trial terms are on each agent page.
02How many free agents are there on Capafy AI?
12 agents are completely free, and 24 more include a free trial. This page ranks the most-used of all of them by sales.
03Do I need to install anything?
No. Capafy AI runs in your browser on desktop and mobile — no APK, no download. Sign in with Google once and your agents and history are saved in your workspace.
04Which free agent is the most popular?
llm-real-video (Free) — let any LLM watch videos currently leads this list with 3,414 sold. Open its page to see what it does, or browse the whole ranking above.

