Developer Tools
High-performance developer utilities. Format JSON, generate cron jobs, test regex, convert schemas, and optimize queries with 100% browser-based execution.
Our free developer tools help software engineers, backend architects, and frontend developers accelerate daily coding tasks. Every tool runs client-side in your browser, guaranteeing that confidential API tokens, customer payloads, and proprietary code never leave your device.
CSV / JSON / XML Converter
Instantly convert data between CSV, JSON, and XML formats. Fast, secure, client-side processing.
Base64 Encoder & Decoder
Encode text and files to Base64, or decode Base64 back to text. 100% secure client-side tool.
Strong Password Generator
Generate secure, random passwords instantly. Customize length, characters, and check password strength entropy. 100% client-side.
JSON Formatter & Validator
Format, validate, minify, and prettify JSON data online in real-time. Catch syntax errors instantly.
Doc to Markdown Converter
Convert Word (DOCX/DOC), PowerPoint (PPTX), Excel (XLSX), PDF, CSV, RTF, EPUB, and OpenDocument files to clean GitHub-Flavored Markdown — instantly in your browser with zero server uploads.
Robots.txt Generator
Visually build and validate robots.txt files with advanced rules and sitemap integration.
llms.txt Generator
Create an llms.txt file to guide AI search engines and language models through your website documentation.
Regex Bulk Extractor
Built-in library of common regex patterns to extract emails, IPs, and keys from raw logs in bulk.
JSON to CSV Smart Mapper
Upload nested JSON, automatically flatten objects using dot notation, and export clean CSVs.
Oh Sh*t, Git!
Visually generate the exact terminal commands needed to fix your Git disasters.
Cron Job Generator
Build complex Cron expressions visually without needing to memorize the syntax.
JSON to Zod / TS
Instantly generate TypeScript interfaces and Zod schemas from any JSON object.
API Response Time Comparator
Compare API endpoints side by side. Test parallel requests, latency, status codes, and payload sizes.
SQL Query Explainer & Optimiser
Paste complex SQL and get a plain English explanation, performance optimization tips, and index hints.