Base64 Encoder & Decoder
Encode Unicode text as Base64 or decode it back to text.
Developer ToolsCalculate a SHA-256 digest for UTF-8 text locally.
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Enter the exact text to hash. Select Calculate hash. Compare or copy the 64-character hexadecimal digest.
SHA-256 is a one-way digest, not encryption. Never use a plain SHA-256 hash as a password-storage scheme.
No. Tool input stays in browser memory and is not sent to a server. Favorites and recent tool names are saved locally only. Reloading clears your input.