Developer Utilities & Code Tools
A curated suite of high-performance developer utilities built to streamline debugging, file handling, query inspection, and data transformations. All operations run directly in your browser tab—your code and tokens never leave your machine.
Featured Developer Platforms
Part of the NDL EcosystemFileDummy
Generate and download dummy test sample files from 50KB to 1GB across PDF, DOCX, XLSX, MP4, and ZIP formats. Built for developer QA testing, API upload validation, and speed benchmarks.
NDL Image Tools
Client-side image compression and format converter running entirely in your browser — zero server uploads, 100% private. Converts between WebP, PNG, and JPEG with instant downloads.
NDL ToolsKit Hub
All-in-one developer suite featuring advanced code formatters, regex inspection, cryptographic encoders, and JSON/YAML data converters with zero tracking.
Instant In-Browser Utilities
Runs 100% in your browserJSON Formatter & Validator
Prettify messy JSON payloads, validate syntax in real-time, minify for production payloads, and remove trailing commas.
SQL Query Beautifier
Format unreadable SQL queries with clean indentation, capitalize standard SQL keywords (SELECT, FROM, WHERE, JOIN), and improve readability.
Cron Expression Parser & Explainer
Deconstruct 5-part and 6-part Cron schedules into human-readable English. Calculate the next 5 execution timestamps instantly.
Regex Tester & Cheatsheet
Test regular expression patterns against sample text with real-time match highlighting, capture group inspection, and quick regex cheat sheets.
Base64, Hash & URL Studio
Encode/decode Base64 strings, generate SHA-256 and MD5 cryptographic hashes, and convert URL query strings safely on the client side.
No analytics tracking on your payloads. No database storage. Your confidential JSON payloads, queries, and hashes remain entirely in your browser sandbox.
Zero network latency. Transformations, sample file downloads, and syntax formatting happen instantaneously using client-side JavaScript execution.
Clean, uncluttered developer-first UI without intrusive popups or deceptive download traps. Free forever across the entire NDL ecosystem.