DevUtils vs Cron Expression Generator

DevUtils is an offline-first developer toolkit with 37+ essential tools — all running privately on your device. No data leaves your phone. PAYLOADS & DATA • JSON Formatter & Validator — Pretty-print, minify, or validate JSON with syntax highlighting • YAML ↔ JSON Converter — Seamless conversion between YAML and JSON • XML Formatter — Indent and beautify XML documents • CSV ↔ JSON Converter — Transform between CSV and JSON formats • SQL Formatter — Format and beautify SQL queries • HTML Entity Encoder/Decoder — Encode and decode HTML entities • Backslash Escape/Unescape — Handle string escaping • Text Diff Checker — Compare two texts and highlight differences ENCODING & DECODING • Base64 Text Encoder/Decoder — Encode or decode Base64 strings • Base64 Image Encoder/Decoder — Convert images to/from Base64 • URL Encoder/Decoder — Percent-encode or decode URLs • HTML Preview — Render HTML snippets live on device • Markdown Preview — Render Markdown with live preview • QR Code Generator — Create QR codes instantly • QR Code Reader — Scan and decode QR codes SECURITY & IDENTITY • JWT Debugger — Decode, inspect, and verify JSON Web Tokens • Hash Generator — MD5, SHA-1, SHA-256, SHA-512 and more • HMAC Generator — Keyed hash authentication codes • UUID/ULID Generator — Generate unique identifiers on demand • Password Generator — Create strong, customizable passwords • RSA Key Generator — Generate RSA key pairs • Certificate Decoder — Inspect X.509 certificates AUTOMATION & REGEX • RegExp Tester — Build and test regular expressions with live matching • Cron Expression Parser — Decode and schedule cron jobs • Chmod Calculator — Unix file permission calculator • Lorem Ipsum Generator — Generate placeholder text TIME & NUMBERS • Unix Time Converter — Convert between Unix timestamps and dates • Date Converter — Parse and format dates in multiple formats • Number Base Converter — Convert between binary, octal, decimal, hex • Color Converter — Convert between HEX, RGB, HSL, and more • Byte Converter — Convert between data size units • Pixel Converter — Convert between px, pt, em, rem ADDITIONAL TOOLS • Text Inspector & Case Converter — Word count, case transforms • List Converter — Sort, deduplicate, transform lists • JSON to Code — Generate model code from JSON • Phone Number Parser — Parse and validate phone numbers • URL Parser — Break down URLs into components All tools work 100% offline. Your data never leaves your device.

Cron Expression Generator puts essential scheduling tools in your pocket. Build cron expressions in the Generate tab, decode any cron string in the Decode tab, and copy results with one tap—ideal for developers, DevOps, and anyone working with cron jobs or task schedulers. ► Build & Decode • Generate tab: edit five fields (minute, hour, day of month, month, day of week) and see the cron expression and schedule update live. • Decode tab: paste any cron expression and see it decoded into plain English as you type—no decode button needed. • Full cron syntax: * (every), ranges (1-5), lists (1,3,5), steps (*/5), and step-with-range (0-23/2). • Enter values in valid ranges (e.g. 0-59 for minutes, 0-23 for hours, 0-7 for day of week with 0 and 7 = Sunday). • Human-readable schedule (e.g. "Every 2 minutes, minutes 0 through 23 past the hour"). • Invalid expressions are clearly marked with an error state. ► Copy & Share • One tap to copy the cron expression. • One tap to copy the schedule description. ► General • Dark and light theme. • Expandable Cron Rules section for syntax reference on both tabs. • Portrait layout for one-handed use. • No account required. Built for quick cron checks, CI/CD configs, and scheduling—free to use, with ads to support development.