// generate video elements with sources, poster & captions
Generate clean HTML5 video embed code with multiple source formats, poster image, captions, controls, autoplay, loop, and accessibility attributes.
Ready to generate
Configure your video options and click GenerateEnter your MP4 URL (required). Optionally add WebM and OGV for broader browser support.
Set dimensions, poster image, playback behavior, accessibility attributes, and captions.
Click Generate to get clean HTML5 code. Copy it directly into your project.
This tool generates the full HTML5 <video> element markup — including multiple source formats, poster images, playback attributes, and WebVTT caption tracks — without writing a line of code manually. Copy the output directly into your HTML file or CMS.
MP4 (H.264) is the most universally supported format and should always be your primary source. WebM offers better compression for modern browsers. OGV is rarely needed today but provides a final fallback for very old Firefox versions. Listing MP4 first is the recommended order.
The poster attribute shows a static image before the video loads or starts playing. This improves perceived performance, provides a visual preview for users, and ensures the video area isn't blank while the file is buffering. Use a representative frame or a custom thumbnail.
Modern browsers block autoplay for videos with audio to prevent unwanted noise. If you want a video to autoplay, you must also include the muted attribute — this is a browser policy, not a bug. For background hero videos, use autoplay + muted + loop + playsinline together.
Captions require a WebVTT (.vtt) file hosted on the same server or a CORS-enabled CDN. Enter the file URL, language code (e.g., "en"), and a label. Check "default track" to make it load automatically. Use kind="captions" for sound descriptions, "subtitles" for translations.
The responsive wrapper uses a CSS padding-top trick to maintain the video's aspect ratio on all screen sizes. Instead of fixed pixel dimensions, the video scales fluidly within its container. This is essential for mobile-first designs and fluid grid layouts.
The playsinline attribute prevents iOS Safari from opening the video in fullscreen mode automatically. It's essential for background videos on mobile and any case where you want inline playback behavior on iPhones and iPads. Always include it alongside autoplay + muted.
No — this is a 100% browser-based code generator. You provide your video URLs and configuration options, and the tool generates the HTML markup locally. No files are uploaded, no data is sent to any server. Your video URLs stay private.
The preload attribute hints to the browser how much data to fetch before the user plays the video. metadata loads only the duration, dimensions, and first frame (for poster). This saves bandwidth on page load. Use auto if you expect most users will watch the video.
Adding video to a webpage used to mean relying on Flash or embedding third-party players. Today, the HTML5 <video> element gives developers full control over video playback directly in the browser — no plugins, no dependencies. This free HTML Video Embed Builder helps you configure every attribute of a video element and export production-ready code in seconds.
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The <source> element inside <video> lets you list multiple file formats. The browser picks the first one it can play. MP4 with H.264 encoding works in every modern browser including Safari, Chrome, Firefox, and Edge. WebM (VP8/VP9) offers superior compression for Chrome and Firefox but isn't supported in all Safari versions. OGG/OGV is a legacy fallback rarely needed today.
For maximum compatibility with minimal bandwidth, host your video in both MP4 and WebM formats and list them in that order. The browser will pick MP4 on Safari and WebM elsewhere, giving each user the most efficient format for their browser.
Hero background videos are a popular web design pattern, but they require specific attributes to work reliably across browsers. Modern browser autoplay policies require videos to be muted before they can autoplay. This prevents unexpected audio surprises for users. The correct attribute combination for a background video is:
Omit controls for decorative background videos. Always provide a poster image so content is visible while the video buffering begins.
Accessible video content requires more than just captions. A well-structured video element should include a descriptive title attribute, an aria-label for screen readers, and at minimum one WebVTT caption track for deaf and hard-of-hearing users. The kind attribute on a track element distinguishes between subtitles (translation of dialogue), captions (includes non-speech audio descriptions), descriptions (for blind users), chapters, and metadata.
WebVTT files are plain text files that pair timestamps with caption text. They must be served from the same origin as your webpage or from a server that sends proper CORS headers. Most web hosts serve .vtt files correctly without any special configuration.
Setting fixed width and height in pixels works for desktop but breaks on mobile. The classic responsive video technique uses a wrapper div with position: relative and a padding-top percentage equal to the video's aspect ratio (56.25% for 16:9). The video inside is positioned absolutely to fill the wrapper. This ensures the video maintains its correct proportions at any screen size.
Modern CSS also supports the aspect-ratio property, but the padding-top method has broader browser support and works reliably in all major browsers including older versions of Safari.
The preload attribute provides a hint to the browser about how aggressively to download video data before the user plays it. Three values are available: none (don't download anything), metadata (download only headers, duration, and first frame), and auto (browser decides, usually downloads the whole file). For most use cases, preload="metadata" provides the best balance — the video duration and thumbnail are available instantly, but bandwidth isn't wasted on users who won't watch the video.
Search engines can index video content, but they need help understanding what your video is about. Pair your <video> element with VideoObject JSON-LD structured data to enable rich video results in Google Search. Include the video's name, description, thumbnail URL, upload date, and duration. This can significantly increase click-through rates for pages featuring video content.
Always provide a meaningful title attribute on your video element and a descriptive fallback text between the opening and closing tags. This fallback text appears in browsers that don't support HTML5 video and improves the experience for users with assistive technologies.