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Base64 Decoder

Decode Base64 encoded strings back to human-readable plain text.

Quick Summary: Decode Base64 data back to clear plain text instantly with full UTF-8 decoding support.

Input & Controls

Source Input 0 characters

Result Output

What is Base64 Decoder?

Quickly decode Base64 strings into original plain text, JSON, or UTF-8 character sequences.

Unlike traditional online utilities that upload your sensitive payloads to a remote server, TechnoLila's Base64 Decoder executes 100% locally in your web browser using modern JavaScript APIs, HTML5 Canvas, and SVG vector rendering. No barcodes, asset IDs, Wi-Fi credentials, tokens, or proprietary payloads ever leave your device.

How to Use Base64 Decoder Online

Paste the Base64 string into the input and click "Decode".

Base64 Decoder Example

Example Input:

VGVjaG5vTGlsYSBEZXZlbG9wZXIgUGxhdGZvcm0=

Example Output:

TechnoLila Developer Platform

Common Use Cases

Decoding HTTP auth headers, unpacking data URLs, debugging encoded payloads.

Common Mistakes & Gotchas

Missing padding characters (= or ==) in standard Base64.

Frequently Asked Questions

What if my Base64 has URL-safe characters (-_)?

The decoder automatically normalizes URL-safe Base64 strings.

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Base64 Encoder

Convert plain text, code, or UTF-8 strings into standard Base64 encoding.

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