Base64 / URL Encoder & Decoder
Encode and decode text with Base64 and encodeURIComponent helpers.
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JWT Decoder
Split JWT by dot and decode Header/Payload on the client side.
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Regex Tester
Test regex patterns in real time, highlight matches, and inspect groups.
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SHA-256 Hash Generator
Generate SHA-256 hashes in browser using crypto.subtle.digest.
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JSON Formatter & Validator
Format JSON with indentation, highlight syntax, and pinpoint parse errors.
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Unix Timestamp Converter
Convert 10/13-digit timestamps and local datetime values in both directions.
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URL Parser
Split long URLs into host/path/hash and extract query params as a table.
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