Royalty-free assets for YouTube videos
Stock footage, photos, music, sound effects and voiceover whose terms allow monetized YouTube videos, and the video tools that assemble them. 30 sources picked from 325 by their license, read on the official pages (checked Oct 10, 2026). Press Copy the whole set to give your AI agent the rules for all of them at once.
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Picked because their terms allow monetized YouTube videos (video tools: commercial use allowed). Ordered by: free for commercial use, no credit needed, use in AI-agent projects, then how an agent connects.
Stock video
| Pick for your agent | Source | Price | License | Monetized YouTube | Agent access |
|---|---|---|---|---|---|
| Mixkit Free stock video, music, sound effects and video templates from Envato; no public API. |
Free | Commercial: conditions No credit No bots | With conditions | Download | |
| Coverr Free stock videos, plus paid plans with a production API and AI generation credits. |
Free tier · from $5/mo | Commercial OK Credit (API) No AI training | Yes | API | |
| Pixabay Free photos, illustrations, vectors, videos, music and sound effects; the API covers images and videos only. |
Free | Commercial OK Credit (API) No AI training No bots | With conditions | API | |
| Storyblocks Subscription stock video, audio and images, with an API for platforms under Standard and Enhanced API licenses. |
Free tier | Commercial: conditions No credit No AI training No bots | With conditions | API | |
| VideoHive Marketplace selling royalty-free stock footage, video effects and video templates made by independent creators. |
Items are purchased individually, each with its own... | Commercial: conditions No credit | Yes | Download |
Stock photos and images
| Pick for your agent | Source | Price | License | Monetized YouTube | Agent access |
|---|---|---|---|---|---|
| StockSnap.io Free stock photo website where every photo is released under the CC0 license. |
Free | Commercial OK No credit No bots | Yes | Download | |
| Pixabay Free photos, illustrations, vectors, videos, music and sound effects; the API covers images and videos only. |
Free | Commercial OK Credit (API) No AI training No bots | With conditions | API | |
| Unsplash Free photos with a public API; paid Unsplash+ adds a separately licensed collection. |
Free tier | Commercial OK Credit (API) | With conditions | API | |
| Storyblocks Subscription stock video, audio and images, with an API for platforms under Standard and Enhanced API licenses. |
Free tier | Commercial: conditions No credit No AI training No bots | With conditions | API | |
| Freepik (Magnific) Stock photos, vectors, PSDs, icons and videos plus AI generation tools, via the Magnific API. |
Free tier | Commercial: conditions Credit required No AI training No bots | With conditions | MCP API |
Music libraries
| Pick for your agent | Source | Price | License | Monetized YouTube | Agent access |
|---|---|---|---|---|---|
| Mixkit Free stock video, music, sound effects and video templates from Envato; no public API. |
Free | Commercial: conditions No credit No bots | With conditions | Download | |
| Coverr Free stock videos, plus paid plans with a production API and AI generation credits. |
Free tier · from $5/mo | Commercial OK Credit (API) No AI training | Yes | API | |
| Pixabay Free photos, illustrations, vectors, videos, music and sound effects; the API covers images and videos only. |
Free | Commercial OK Credit (API) No AI training No bots | With conditions | API | |
| ccMixter Community remix site with per-track CC BY and CC BY-NC music. |
Free | Commercial: conditions Credit required | With conditions | Download | |
| Free Music Archive Free music under per-track Creative Commons licenses. |
Free | Commercial: conditions Credit varies | With conditions | Download |
Sound effects
| Pick for your agent | Source | Price | License | Monetized YouTube | Agent access |
|---|---|---|---|---|---|
| 99Sounds Free downloadable sound effect libraries, sample packs and VST plugins, royalty-free for personal and commercial projects. |
Free | Commercial OK No credit | Yes | Download | |
| BOOM Library Professional sound effects libraries, nature ambiences and sound design plug-ins, sold as buyout or subscription. |
Free tier | Commercial OK No credit No AI training | Yes | Download | |
| Mixkit Free stock video, music, sound effects and video templates from Envato; no public API. |
Free | Commercial: conditions No credit No bots | With conditions | Download | |
| Sonniss GDC Game Audio Bundle Free GDC Game Audio Bundle of royalty-free, commercially usable sound effects. |
Free | Commercial OK No credit No AI training | Yes | Download | |
| Freesound Collaborative database of CC0, CC BY and CC BY-NC sounds with a REST API. |
Free | Commercial: conditions Credit varies | With conditions | API |
Voiceover (text-to-speech)
| Pick for your agent | Source | Price | License | Monetized YouTube | Agent access |
|---|---|---|---|---|---|
| Kokoro-82M 82M-parameter open-weight TTS model under Apache-2.0 with fixed voice packs. |
Free | Commercial OK No credit | Yes | npmkokoro-js |
|
| Amazon Polly AWS text-to-speech with Standard, Neural, Long-Form and Generative voices. |
Free tier | Commercial OK No credit | Yes | API@aws-sdk/client-polly |
|
| Chatterbox MIT-licensed open TTS with zero-shot cloning in 23 languages and a built-in Perth watermark. |
Free | Commercial OK No credit | Yes | PyPIchatterbox-tts |
|
| Google Cloud Text-to-Speech Cloud TTS with Standard, WaveNet, Neural2, Chirp 3 HD, Studio and Gemini-TTS voices. Used in 3 AI-agent projects (0.1% of JS) |
Free tier | Commercial OK | Yes | API@google-cloud/text-to-speech |
|
| Piper Fast local TTS engine (GPL-3.0) with downloadable voices under per-voice licenses. |
Free | Commercial: conditions Credit varies | With conditions | PyPIpiper-tts |
Video assembly and rendering
| Pick for your agent | Source | Price | License | Monetized YouTube | Agent access |
|---|---|---|---|---|---|
| Manim Community-maintained Python animation engine for programmatically creating explanatory math videos. |
Free | Commercial OK No credit | — | PyPImanim |
|
| Diffusion Studio Open-source video editor that coding agents can drive through MCP and a CLI to cut, animate, caption, generate and render video. |
Free tier · from $20/mo | Commercial OK No credit | — | MCP API | |
| Wistia Business video hosting and webinar platform with an ad-free player, analytics, AI editing, embeds and a data API. |
Free tier · from $79/mo | Commercial OK No credit | — | MCP API | |
| HyperFrames Open-source framework that renders HTML, CSS, media and seekable animations into deterministic MP4 videos, with CLI and AI agent skills. |
Free | Commercial OK No credit | — | npmhyperframes |
|
| AutoClip Desktop app that cuts long podcasts, interviews and lessons into short clips with subtitles, covers and post copy. |
Free | Commercial OK No credit | Yes | Download |
Agent Skills for this
| remotion-video-enhancer anbeime/skill | 影片与视频编辑及自媒体创作者在制作PPT或视频需要提升视觉表现力时，使用此技能可一键生成Remotion风格的高级转场与Framer Motion交互动画，自动规划动画序列，让内容呈现专业级动态效果。 has scriptsnpx skills add anbeime/skill --skill remotion-video-enhancer |
|---|---|
| remotion-best-practices remotion-dev/skills | Router for all Remotion skills has scriptsnpx skills add remotion-dev/skills --skill remotion-best-practices |
| remotion-captions remotion-dev/skills | Transcribing, displaying and animating captionsnpx skills add remotion-dev/skills --skill remotion-captions |
| anything2explainer Vincentwei1021/anything2explainer | 给一个主题，产出一条黑底 MG 风格（幕底可选星点或点阵波）、有配音字幕章节进度条的科普讲解视频（中文或英文；Remotion 代码动画；时长由用户定，常用 3–5 分钟）。内含可编译模板、图元库、配音/分镜/渲染工具、风格与动效规范、多 agent 分工协议与 QC 判据，以及一条完整样片（《RAG 与知识库》）作为质量标尺。Turn…npx skills add Vincentwei1021/anything2explainer --skill anything2explainer |
| explainer-video 0xsline/OpenChatCut | Create finished explainer videos from a topic, script, outline, voiceover, product logic, data, technical concept, course material, or reference assets. Use when the use…npx skills add 0xsline/OpenChatCut --skill explainer-video |
| explainer-video JimLiu/baocut | 做知识讲解、科普、教学类视频时读的手艺页：把一个概念、一条新闻、一篇论文或一份资料，讲成没有背景的人也看得懂、愿意看完、看完能复述。给的是判断与手法，不是模板与流程：从观众的疑问找讲法，给这期找一个贯穿全片、自己会讲道理的主体，画面与旁白由同一份事实驱动，核实事实，像审片人一样看一遍；每一版交付成片、封面图与发布稿。制作照 video-…npx skills add JimLiu/baocut --skill explainer-video |
| remotion-best-practices guanyang/open-agent-hub | Router for all Remotion skills has scriptsnpx skills add guanyang/open-agent-hub --skill remotion-best-practices |
| remotion-captions guanyang/open-agent-hub | Transcribing, displaying and animating captionsnpx skills add guanyang/open-agent-hub --skill remotion-captions |
| video coreyhaines31/marketingskills | When the user wants to create, generate, or produce video content using AI tools or programmatic frameworks. Also use when the user mentions 'video production,' 'AI vide…npx skills add coreyhaines31/marketingskills --skill video |
| brainstorm-experiments-new phuryn/pm-skills | Design lean startup experiments (pretotypes) for a new product. Creates XYZ hypotheses and suggests low-effort validation methods like landing pages, explainer videos, a…npx skills add phuryn/pm-skills --skill brainstorm-experiments-new |
| video-shotcraft Vincentwei1021/video-shotcraft | Create cinematic product videos from shot recipe cards, a validated template, and code/audio assets (Remotion + real page screenshots + 2.5D camera moves + beat-synced c…npx skills add Vincentwei1021/video-shotcraft --skill video-shotcraft |
| ads-youtube AgriciDaniel/claude-ads | Audit YouTube Ads campaign setup, video inventory, Shorts, in-stream, CTV, creative, audiences, brand safety, bidding, and measurement. Use for YouTube Ads, video ads, p…npx skills add AgriciDaniel/claude-ads --skill ads-youtube |
Libraries projects use for this
| Pillow | Python imaging library for image processing, manipulation and conversion.pip install pillow · Gid Score 82 |
|---|---|
| Sharp | High-speed image processing for resizing, converting JPEG, PNG, WebP, GIF formats.npm install sharp · Gid Score 82 |
| PDF.js | Mozilla's PDF rendering library for displaying and working with PDFs in browsers.npm install pdfjs-dist · Gid Score 78 |
| PyPDF | Pure-Python library for reading, merging, splitting and transforming PDF files.pip install pypdf · Gid Score 76 |
| openpyxl | Python library for reading and writing Excel 2010 XLSX/XLSM files.pip install openpyxl · Gid Score 75 |
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Other starter sets
Free game assets for commercial use Free assets for landing pages and websites Everything for web design Free assets for mobile apps All sources with filters
Not legal advice. Each source's page links the license we read; check it before you ship.