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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
    • Link Shortener
    • Unit Converter
    • Timestamp Converter
    • Cron Expression Builder
    • Cron Expression Validator
    • Percentage Calculator
    • Age Calculator
    • UUID Generator
    • Image Converter
    • Image Compressor
    • Image Background Remover
    • 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

Case Converter

Convert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case, and more online.

Sentence case

Converts the first letter of each sentence to uppercase and the rest to lowercase.

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QR Code Generator

Create free QR codes online with custom colors, logos, quiet zones, and print-ready SVG or PNG downloads.

Barcode Generator

Generate EAN, UPC, Code 128, and GS1 barcodes online with automatic check digits and print-ready SVG/PNG exports.

Free Base64 Encoder & Decoder Online | Convert, Encode & Decode Base64 Text, JSON, JWT Tokens & Query Strings Instantly Without Uploads

Free online Base64 encoder and decoder for text, JSON, JWT tokens, and query strings. Encode or decode instantly in your browser with no uploads.

Unit Converter

Convert units online for length, weight, temperature, volume, area, and speed with real-time results and quick swaps.

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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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