⚡ CLIENT-SIDE · PRIVATE · SECURE
Base64 Decoder
Decode Base64 payloads, hashes, or encoded certificates into clean, readable UTF-8 text strings. Automatic handling for standard and URL-safe Base64 padding.
Instructions: Paste a Base64 string into the input box to instantly decode it into readable plain text. Includes URL-safe base64 character mapping.
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01
Paste Base64
Input your standard Base64 string or URL-safe Base64 payload into the workspace.
02
Automatic Decoding
The parser validates padding and translates byte groups into UTF-8 characters instantly.
03
Copy Plain Text
Copy the decoded string or export it to a file. Safe local processing with zero server calls.
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Documentation & Guide
Read Guide How to Decode Base64 Payloads and Strings Online
Discover common Base64 decoding pitfalls, padding requirements, and safe client-side UTF-8 decoding.