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DevToolKit

The all-in-one suite of browser-native developer tools. Format, validate, convert, encode, and debug JSON, XML, YAML, CSV, JWT, Hashes, and code without sending a single byte to any server.

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Popular Tools

  • JSON Formatter
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  • JWT Debugger
  • Diff Checker

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  • Security & Crypto
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  2. Security & Crypto

Security & Crypto

Inspect JWTs, generate cryptographic hashes, and bulk-generate UUIDs and secure passwords.

Popular

JWT (JSON Web Token) Debugger & Inspector

Decode, inspect, and analyze JWT headers, claims, expiration dates, and signatures securely in your browser.

Open Tool

Cryptographic Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes simultaneously in real-time.

Open Tool

UUID & ULID Bulk Generator

Generate cryptographically secure UUID v4, UUID v7 (time-ordered), and ULIDs individually or in bulk.

Open Tool