Developer & Designer Utilities
Fast, free, privacy-friendly tools that run directly in your browser. 41 tools for formatting, converting, generating, and inspecting.
All Utilities(Showing 12 of 41)
JSON Viewer
Visualize JSON in a collapsible tree view with syntax highlighting and search.
JSON Formatter & Minifier
Pretty-print or minify JSON with instant validation and error messages.
Base64 Encode / Decode
Encode text or files to Base64 and decode Base64 back to text or binary.
URL Encode / Decode
Percent-encode and decode URLs with support for full and component encoding.
UUID Generator
Generate v4 UUIDs in bulk with copy-to-clipboard and format options.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back, with timezone support.
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase, and more.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
JSON Compare
Compare two JSON objects side-by-side with diff highlighting and key-order toggle.
JSON Schema Validator
Validate JSON against a schema with detailed error paths.
JSON to TypeScript
Generate TypeScript interfaces from a JSON sample.
JSON ↔ CSV
Convert JSON to CSV and CSV back to JSON.