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Batch Toolkit All-in-One Tools
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Batch Toolkit All-in-One Tools
  • Text & Data
    • Base64 Encoder
    • JSON Formatter
    • YAML <-> JSON Converter
    • CSV <-> JSON Converter
    • Case Converter
    • Line Sorter
    • Duplicate Line Remover
    • Text Counter
    • Regex Tester
    • Color Converter
  • Security & Access
    • Password Generator
    • Hash Generator
    • SSH Key Generator
    • SSH Public Key Extractor
    • TOTP Generator
    • JWT Generator
    • JWT Decoder
  • Web & Utilities
    • HTTP Header Checker
    • DNS Lookup
    • IP Info Lookup
    • WHOIS Lookup
    • URL Encoder
    • URL Parser
    • Unit Converter
    • Timestamp Converter
    • Cron Expression Builder
    • Cron Expression Validator
    • Percentage Calculator
    • Age Calculator
    • UUID Generator
    • Image Converter
    • Image Compressor
    • QR Code Generator
    • Barcode Generator
    • Request a Tool
  • Guides
    • Cron expressions made approachable for beginners
    • Build and validate JSON Web Tokens without leaving your browser
    • TOTP fundamentals — a beginner-friendly course

SSH Key Generator

Generate secure SSH key pairs online (Ed25519, RSA, ECDSA) with OpenSSH-ready output, fingerprints, and PEM downloads.

Ed25519

Appended to the OpenSSH public key. 0/256 characters.

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TOTP Authenticator Generator

Generate TOTP 2FA codes online from Base32 secrets with live countdowns, SHA-1/SHA-256/SHA-512 support, and otpauth links.

JWT Generator

Build and sign JSON Web Tokens online with editable headers, payload claims, and HS256/HS384/HS512 signatures generated locally.

JWT Decoder & Verifier

Decode JWT tokens, inspect claims, and verify HS256, HS384, or HS512 signatures online without exposing secrets.

Password Generator

Generate strong random passwords online with custom length, character sets, and passphrase options powered by secure randomness.

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Batch Toolkit All-in-One Tools

Batch Toolkit brings together privacy-first utilities that run entirely in your browser. Optimise workflows, validate data, and ship assets in seconds without handing your work to third parties.

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Popular tools

  • Base64 Encoder
  • JSON Formatter
  • YAML <-> JSON Converter
  • CSV <-> JSON Converter
  • Password Generator
  • Hash Generator

Browse by category

Text & Data

  • Base64 Encoder
  • JSON Formatter
  • YAML <-> JSON Converter
  • CSV <-> JSON Converter

Security & Access

  • Password Generator
  • Hash Generator
  • SSH Key Generator
  • SSH Public Key Extractor

Web & Utilities

  • HTTP Header Checker
  • DNS Lookup
  • IP Info Lookup
  • WHOIS Lookup

Guides

  • Cron expressions made approachable for beginners
  • Build and validate JSON Web Tokens without leaving your browser
  • TOTP fundamentals — a beginner-friendly course

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