•8 min read
Base64 Encoding and Decoding: Complete Developer Guide
Master Base64 encoding and decoding with practical examples. Learn when to use it, common pitfalls, and best practices for handling binary data.
Base64 Decode
Decode Base64 strings to readable text instantly with UTF-8 support
Text (Plain)
Auto-detect: paste Base64 to decodeInput
Mode
Encoding
Base64 (Encoded)
SpacerOutput
What is Base64 Decode?
Decode Base64-encoded strings back to readable text. This tool converts Base64 ASCII text back into its original format, whether it's plain text, JSON, or other data. Perfect for inspecting Base64-encoded values in API responses, configuration files, HTTP headers, and debugging encoded data.
How to Use
1
Paste the Base64-encoded string
2
The tool automatically decodes to text
3
View the decoded readable output
4
Copy the decoded text for use
Common Use Cases
Decode Base64 values from API responses
Inspect Base64-encoded HTTP headers
Debug Base64-encoded configuration values
Decode Base64 strings from logs
Extract data from Base64-encoded JSON
Key Features
Instant Base64 decoding
UTF-8 character decoding support
Handles standard Base64 with padding
One-click copy to clipboard
Works offline in your browser
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