Video to Base64 Converter

Encode video files (MP4, WebM, AVI, MOV, MKV) to Base64 data URIs, or decode Base64 strings back to playable video. All processing happens in your browser.

Encode Video → Base64

Upload MP4, WebM, AVI, MOV, or MKV files and convert them to Base64 data URIs instantly.

Decode Base64 → Video

Paste a Base64 data URI and decode it back into a playable, downloadable video file.

Preview Before Using

Preview encoded video directly in the browser before using it in your project.

Multiple Formats

Supports all major video formats: MP4, WebM, AVI, MOV, and MKV for maximum compatibility.

Drop a video file here or click to browse

MP4, WebM, AVI, MOV, MKV

Upload a video file to encode it to Base64

Embed Video in HTML

Use the generated data URI directly in a <video> tag without external files.

API Integration

Send video data as Base64 strings in JSON APIs or store in databases as text.

Preview Before Use

Preview encoded video directly in the browser before using it in your project.

Frequently Asked Questions

Got questions? We've got answers. Search below or browse through our most commonly asked questions.

Drag and drop your video file (MP4, WebM, AVI, MOV) into the tool. It will generate a Base64 data URI that can be embedded directly into HTML5 video tags.

For very small, short clips or loading animations, yes. For large videos, it's heavily discouraged as Base64 increases the file size by ~33% and prevents the browser from streaming or buffering the video efficiently.