Can this tool decode Data URIs containing video or audio?

Yes! The tool automatically initializes an in-browser HTML5 ` ` or ` ` player so you can listen to or watch the decoded media immediately.

Are my Data URI strings logged or sent to any server?

No! All parsing and decoding run 100% locally in your browser memory.

Encoding & Decoding

Data URI Decoder

Inspect and decode Data URI mime-types and binary payload bytes.

File & Binary Data Workbench

Base64 File Encoder / Decoder

Click to select or drop any file

100% Client-Side. Files never upload to any remote server.

BASE64 DATA ENCODING

About Data URI Decoder

The Universal Data URI Parser & Asset Extractor breaks down `data:[<mediatype>][;base64],<data>` strings, extracting the MIME type, charset, encoding scheme (Base64 vs URI-encoded), and saving the payload as a downloadable file with live media preview.

Step-by-Step Guide

How to Use Data URI Decoder

Step 1

Paste your Data URI string into the input box.

Step 2

Inspect the parsed metadata table (MIME type, size, encoding).

Step 3

Test the live media player or image preview.

Step 4

Click "Download File".

Industry Scenarios

Practical Use Cases for Data URI Decoder

Extracting Embedded Media from CSS & HTML Files

Extract embedded images, audio files, and fonts from compiled stylesheets and web bundles into standalone files.

Debugging Malformed Data URIs

Inspect corrupt or broken Data URI strings to diagnose missing MIME headers, invalid Base64 padding, or character set mismatches.

Sample Data & Transformation

Input & Output Examples

Deconstructing Audio Data URI

Input Sample:

data:audio/mp3;base64,//uQZAAAAAAA...

Processed Result:

MIME Type: audio/mp3 | Encoding: Base64 | Decoded Size: 48.2 KB | Live Audio Player Preview & Download

Technical Capabilities

Key Features & Performance

✓Parses RFC 2397 Data URI structures: extracts MIME type, charset parameter, Base64 flag, and raw payload.
✓Supports both Base64 and URL-percent-encoded text payloads.
✓Integrated live media player for audio, video, images, and text documents.
✓100% Client-Side parsing.
✓1-Click Download extracted asset.

Technical Glossary

Key Terminology & Definitions

Data URI Structure

Syntax: `data:[<mediatype>][;charset=<encoding>][;base64],<data>`.

Percent-Encoded Text Payload

A Data URI representing plain text or SVG using URI escaping (e.g. `data:text/plain;charset=utf-8,Hello%20World`).

Frequently Asked Questions (PAA)

Data URI Decoder FAQs

Yes! The tool automatically initializes an in-browser HTML5 `<audio>` or `<video>` player so you can listen to or watch the decoded media immediately.