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.

Last Updated: September 2026
100% Client-Side — Your data never leaves your device

Drop a video file here or click to browse

MP4, WebM, AVI, MOV, MKV

Max 50MB

Upload a video file to encode it to Base64

Why this tool is safe

Your data never leaves your device — everything runs in your browser.

No server uploads. Other tools send your files to their servers. Ours don't.
Zero tracking of content. We never see, store, or log anything you convert.
Works offline. Once loaded, the tool works without an internet connection.
No account required. Instantly use all tools completely free without signing up.

Frequently Asked Questions

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.

Related Tools

Base64 Converter

Encode text to Base64 or decode Base64 to text — all in one tool

Audio to Base64

Convert audio files to Base64 data URIs and decode Base64 back to audio

Base64 to File Decoder

Decode Base64 strings back into downloadable files with MIME detection

Data URI Generator

Generate Data URIs from text or files, and parse existing Data URIs to extract their content and metadata