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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

DNS Lookup

Perform DNS lookups online to fetch A, AAAA, MX, TXT, CNAME, NS, and CAA records with TTLs, priorities, and map visualisations.

10 items selected

Enter a domain or IP address to begin DNS lookup

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JSON Formatter & Validator

Beautify, validate, and minify JSON online with instant error highlighting. Paste your payload, fix syntax issues, and export production-ready code in seconds.

CSV ⇄ JSON Converter

Convert CSV to JSON or JSON to CSV instantly with Monaco editors, delimiter controls, and downloadable output tailored for analytics and integrations.

Cron Expression Builder

Generate cron expressions online with presets, human-readable schedules, and next-run previews for Linux, Kubernetes, and Laravel tasks.

YAML ⇄ JSON Converter

Convert YAML to JSON or JSON to YAML online with Monaco editors, schema validation, and copy-ready output tailored for CI configs and API specs.

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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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