a small crate of tools
Everyday utilities,
no upload required.
Formatters, converters, and generators that run entirely in your browser. No file leaves your device, no sign-up, no limits.
100% client-side — verify by checking your network tab
JSON
JSON to TypeScript Converter
Paste JSON and get a TypeScript interface with nested types, arrays, and optional fields inferred automatically. Runs entirely in your browser.
JSON
JSON Formatter & Validator
Format, validate, and minify JSON online. Get precise error locations for invalid JSON. No upload, fully client-side.
Encoding
Base64 Encode / Decode
Convert text to Base64 or decode Base64 back to plain text, instantly and entirely in your browser.
Encoding
URL Encode / Decode
Percent-encode or decode URLs and query string parameters instantly in your browser.
Encoding
JWT Decoder
Decode a JSON Web Token to inspect its header and payload claims. Runs entirely client-side — your token never leaves your browser.
Generators
UUID Generator
Generate random v4 UUIDs in bulk, one per line, using your browser's native crypto API.
Generators
Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable UTC dates and back, instantly in your browser.
Text
Regex Tester
Test a regular expression against sample text with live match highlighting and flag toggles (g, i, m, s).
Minecraft
XP Level Calculator
Convert between Minecraft experience level and total XP points using the game's actual level-cost formulas.
Minecraft
Nether Coordinate Converter
Convert Overworld coordinates to Nether coordinates (divide by 8) and back (multiply by 8) for building efficient portal networks.
Minecraft
Chat / MOTD Color Code Generator
Build formatted Minecraft chat messages and server MOTDs with a live-colored preview, using all 16 color codes and 5 formatting codes.
Minecraft
Circle Block Generator
Generate a block-accurate circle outline or filled disc for any radius, for building round towers, domes, and walls.
Text
CSV to JSON Converter
Convert CSV to JSON or JSON to CSV, correctly handling quoted fields and commas inside values. Fully client-side.
Encoding
Hash Generator (SHA)
Generate a SHA-1, SHA-256, SHA-384, or SHA-512 hash of any text using your browser's built-in Web Crypto API.
Text
Color Converter (Hex/RGB/HSL)
Convert a color between hex, RGB, and HSL formats with a live preview swatch.
Generators
Password Generator
Generate cryptographically random passwords with adjustable length and character sets, using your browser's Web Crypto API.
Text
Markdown Previewer
Write Markdown and see a live-rendered preview: headings, bold/italic, links, lists, blockquotes, and code blocks.
Text
Lorem Ipsum Generator
Generate classic Lorem Ipsum placeholder text, any number of paragraphs, for mockups and layouts.
Text
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE all at once.
Minecraft
Redstone Timer Calculator
Convert between Minecraft game ticks and real-world seconds, with a quick-reference table for repeater delay settings.
Text
CSV to Markdown Table
Convert CSV data into a formatted Markdown table, ready to paste into a README or GitHub issue.
Text
CSV Deduplicate & Sort
Remove duplicate rows and sort CSV data by any column, entirely in your browser.
ad slot · 728x90 leaderboard