Is Base64 encryption?
No. Base64 is an encoding format for transport and storage convenience, not a security mechanism.
Base64 Encode / Decode
Encode and decode Base64 locally in your browser for quick credential, payload, and text debugging.
The encoded or decoded result will appear here.
All Base64 transforms happen locally in your browser. Nothing is uploaded.
Related Tools
URL Encode / Decode
Encode and decode query strings, callback URLs, and logged URL fragments locally in your browser.
JSON Escape / Unescape
Escape plain text into JSON-safe strings and unescape existing content when working with payloads, configs, and logs.
JWT Decode
Decode JWT headers and payloads locally in your browser to inspect claims without sending tokens to a server.
Timestamp Converter
Convert between Unix seconds, Unix milliseconds, ISO timestamps, and local time while debugging logs, APIs, and expiration values.
When to use Base64 encode / decode
Use this page when you need to inspect Basic Auth values, inline payloads, token fragments, or encoded text without dropping into the command line.
It is designed for fast browser-local conversion during debugging and collaboration.
Nothing is uploaded, which keeps the workflow lightweight for everyday developer tasks.
Base64 FAQ
Why does decoding fail?
The input usually contains invalid characters, missing padding, or text that was never valid Base64 in the first place.