# AI video generators: 21 tools for office work > 21 AI video generators for office work, including Synthesia, HeyGen and Runway: what each one does, whether it is free, and free lessons. Updated daily. Source: https://learn.ynteractive.com/content/ai-tools/video-avatars · Updated 2026-10-13 · Free from Stepthrough (https://learn.ynteractive.com) Updated October 13, 2026 · By [Robert Breen](https://learn.ynteractive.com/content/about) Video gets the most attention online, and it used to be the hardest content to make. AI video tools turn a script into a presenter video, generate clips from text or photos, edit by transcript and cut long recordings into shorts. They are especially useful for training, onboarding and social content that needs to go out every week. 21 tools · 17 free or with a free plan · 3 with a free trial · 1 paid only ## New this week 21 tools added since October 8, 2026. New tools are added every day. Renderforest · DomoAI · Flova · Vidyard · Loom · Pictory · Colossyan · invideo AI · VEED · Opus Clip · CapCut · Hedra · + 9 more ## 21 AI video generators Each card says what the tool does for a working professional and whether it is free, has a free plan or trial, or is paid. 3 have a free Stepthrough lesson where you practice it step by step. - [Synthesia](https://www.synthesia.io): Free plan. Create training and explainer videos with AI avatars that speak 140+ languages. No camera or studio needed. - [HeyGen](https://www.heygen.com): Free plan. AI avatar videos and video translation with lip sync. Turn scripts into presenter-led videos. - [Runway](https://runwayml.com): Free plan. Generate and edit video with AI, from text or images. Popular with creative teams and filmmakers. - [Descript](https://www.descript.com): Free plan. Edit video and podcasts by editing the transcript, with AI to remove filler words and clean audio. - [OpenAI Sora](https://openai.com/sora/): Free plan. OpenAI’s video generator creates short realistic clips with sound from a text prompt or image. - [Google Flow](https://labs.google/flow/about): Paid. Google’s AI filmmaking tool built on the Veo video models. Generates scenes and clips from prompts. - [Kling AI](https://klingai.com): Free plan. Generates high-quality video clips from text or images, with motion control. - [Luma Dream Machine](https://lumalabs.ai): Free plan. Make videos and images from prompts with Luma’s Ray models. - [Pika](https://pika.art): Free plan. Playful AI video generation and effects for short social clips. - [Hedra](https://www.hedra.com): Free plan. Create talking-character videos from a photo and a voice track. - [CapCut](https://www.capcut.com): Free plan. A free video editor with auto captions, templates and AI effects for social video. - [Opus Clip](https://www.opus.pro): Free plan. Turns long videos into short clips for TikTok, Reels and Shorts, with captions and virality scores. - [VEED](https://www.veed.io): Free plan. An online video editor with subtitles, AI avatars, translation and screen recording. - [invideo AI](https://invideo.io): Free plan. Turns a prompt or script into a finished video with stock footage, voiceover and music. - [Colossyan](https://www.colossyan.com): Free trial. AI avatar videos built for workplace training, with quizzes and branching. - [Pictory](https://pictory.ai): Free trial. Turns scripts, blog posts and long videos into short branded videos. - [Loom](https://www.loom.com): Free plan. Record quick screen and camera videos, with AI titles, summaries and chapters. - [Vidyard](https://www.vidyard.com): Free plan. Video messages and hosting for sales teams, with AI scripts and avatars. - [Flova](https://www.flova.ai): Free plan. Plans and generates promo videos from a script, with shot lists before you spend credits. [Free lesson: Flova: Plan a Promo Video from a Script Before You Spend a Credit](https://learn.ynteractive.com/content/flova-promo-video-from-a-script) - [DomoAI](https://domoai.app): Free trial. Turns product photos and images into short videos and animations for social. [Free lesson: DomoAI: Turn a Product Photo into a Short Video for Social](https://learn.ynteractive.com/content/domoai-image-to-video-product-photo-social-video) - [Renderforest](https://www.renderforest.com): Free plan. Turns a written brief into a narrated explainer or promo video with AI scenes, voiceover and captions, plus logos and templates. [Free lesson: Turn a Product Update into an Explainer Video using Renderforest](https://learn.ynteractive.com/content/renderforest-product-update-explainer-video) ## Learn them free, step by step Practice in a safe copy of the real tool, with every step checked as you go. - **Flova**: [Flova: Plan a Promo Video from a Script Before You Spend a Credit](https://learn.ynteractive.com/content/flova-promo-video-from-a-script) (7 min) - **DomoAI**: [DomoAI: Turn a Product Photo into a Short Video for Social](https://learn.ynteractive.com/content/domoai-image-to-video-product-photo-social-video) (6 min) - **Renderforest**: [Turn a Product Update into an Explainer Video using Renderforest](https://learn.ynteractive.com/content/renderforest-product-update-explainer-video) (9 min) ## More AI tool categories [LLMs & chat assistants (18)](https://learn.ynteractive.com/content/ai-tools/llms-chat-assistants) · [AI agents & agent builders (17)](https://learn.ynteractive.com/content/ai-tools/ai-agents) · [Automation & workflows (15)](https://learn.ynteractive.com/content/ai-tools/automation-workflows) · [Email & inbox (16)](https://learn.ynteractive.com/content/ai-tools/email-inbox) · [Writing & content (16)](https://learn.ynteractive.com/content/ai-tools/writing-content) · [Meetings & notes (18)](https://learn.ynteractive.com/content/ai-tools/meetings-notes) · [Sales & CRM (18)](https://learn.ynteractive.com/content/ai-tools/sales-crm) · [Marketing & social (19)](https://learn.ynteractive.com/content/ai-tools/marketing-social) · [Customer support & chatbots (17)](https://learn.ynteractive.com/content/ai-tools/customer-support-chatbots) · [Image generation (18)](https://learn.ynteractive.com/content/ai-tools/image-generation) · [Voice & audio (18)](https://learn.ynteractive.com/content/ai-tools/voice-audio) · [Presentations & docs (15)](https://learn.ynteractive.com/content/ai-tools/presentations-docs) · [Research & search (16)](https://learn.ynteractive.com/content/ai-tools/research-search) · [Data & spreadsheets (16)](https://learn.ynteractive.com/content/ai-tools/data-spreadsheets) · [Coding & developer (21)](https://learn.ynteractive.com/content/ai-tools/coding-developer) · [Design & UI (15)](https://learn.ynteractive.com/content/ai-tools/design-ui) · [Productivity & tasks (17)](https://learn.ynteractive.com/content/ai-tools/productivity-tasks) · [HR & recruiting (17)](https://learn.ynteractive.com/content/ai-tools/hr-recruiting) · [Finance & accounting (17)](https://learn.ynteractive.com/content/ai-tools/finance-accounting) · [Legal & contracts (16)](https://learn.ynteractive.com/content/ai-tools/legal-contracts) · [Website & no-code builders (17)](https://learn.ynteractive.com/content/ai-tools/website-no-code) [The full AI tools directory](https://learn.ynteractive.com/content/ai-tools) · [Tool comparisons](https://learn.ynteractive.com/content/compare) · [AI glossary](https://learn.ynteractive.com/content/glossary)