Converters

Base64 Encode / Decode

Encode text to Base64 or decode Base64 to text.

Browser-onlyInstant outputLocal data

Mode

Input

Encoded output

aGVsbG8=

Decoded output

—

Input bytes

Looks like Base64

Status

Input looks like plain text; decode skipped.

Why use this tool

Convert between plain text and Base64 directly in the browser.

Base64 Tool makes it easy to inspect or transform encoded strings without leaving the page.

It is useful when working with APIs, tokens, and embedded assets.

01Enter either plain text or a Base64 string.

02Read the encoded and decoded outputs side by side.

Confirm the input is the format you intended.

Scan the result before using it in a document, URL, config, or message.

Copy only the output you need.

Can I decode invalid Base64?

Invalid inputs return an empty decoded value instead of crashing the page.

Decode URL/Base64 payloads, normalize JSON, and inspect timestamps from one debugging workspace.

Encode text for URLs or decode encoded URL values.

Format, minify, and validate JSON in one place.