HTML Formatter & Minifier

Clean up messy HTML code or compress HTML to reduce payload size.

CSS Formatter & Minifier

Format nested CSS rules or minify stylesheet for production.

JavaScript Beautifier

Format minified JS code into readable, structured JavaScript.

SQL Query Formatter & Cleaner

Prettify complex SQL SELECT, INSERT, UPDATE, and JOIN queries automatically.

Linux Chmod Permission Calculator

Calculate numeric octal permissions (e.g. 755, 644), symbolic representation (rwxr-xr-x), and ready-to-run shell commands.

User (Owner)

Group

Others (World)

755
Octal Notation
rwxr-xr-x
Symbolic Notation
Permission Insights
Owner has full read, write, and execution rights. Group members and other system users can read and execute the file, but cannot edit or delete it. Commonly used for executable web scripts and public directories.

Subnet / IP CIDR Calculator

Calculate network addresses, subnet masks, wildcard masks, usable IP ranges, and host counts.

255.255.255.0
Subnet Mask
0.0.0.255
Wildcard Mask
192.168.1.0
Network Address
192.168.1.255
Broadcast Address
192.168.1.1 → 192.168.1.254
Usable Host Range
254 hosts
Usable Hosts (Total: 256)

cURL Command to Code Converter

Convert raw cURL terminal request commands into production JavaScript `fetch()`, Python `requests`, or Node.js code.

Regex Pattern Tester & Explainer

Test Regular Expressions with live match highlights, flags, and cheat sheets.

Presets: Email URL IPv4 Address Digits
Matches: info@example.com, support@domain.org
Pattern Breakdown
Pattern matches standard email address strings containing username characters, @ symbol, domain name, and TLD extension.

Cron Expression Parser

Parse 5-part cron schedule expressions into plain English schedules.

Runs every 15 minutes

Open Graph & Meta Tag Generator

Generate social preview `` tags for Twitter, Facebook, and LinkedIn.

Text Diff Checker

Compare two text snippets side-by-side to highlight additions and changes.

Comparison: Lines differ in sentence 1

Strip HTML Tags

Remove all HTML tags from markup to extract clean plain text.

Morse Code Translator

Translate text to Morse code dots and dashes, or decode Morse back to text.

Hex ↔ Text Converter

Convert plain text into Hexadecimal bytes or decode Hex string back to text.

HTML Entities Encoder / Decoder

Encode special characters for safe HTML display, or decode HTML entities back to characters.

Color Converter

Convert colors between HEX, RGB, and HSL formats instantly with a live preview.

Timestamp Converter

Convert Unix epoch timestamps to human-readable dates, and vice versa.

JSON Minifier

Remove all whitespace and line breaks from JSON to reduce payload size for APIs and configs.

CSS Unit Converter

Convert between CSS units: px, em, rem, pt, vw, vh. Set base font size for accurate em/rem calculations.

Web Developer Utilities & Code Formatter Guide

Software development requires reliable utilities for formatting code snippets, testing Regular Expressions (Regex), calculating IPv4 subnet CIDR ranges, parsing Cron expressions, and comparing text diffs. Our suite provides instant developer utilities that execute 100% inside your local browser.

Code Beautification & Minification

Format HTML, CSS, JavaScript, and SQL source code with proper indentation or compress source code to minimize network payload sizes.

Regex & Cron Utilities

Test RegExp patterns against target strings with regex flags or decode 5-field Cron expressions into plain English human-readable schedules.

Diff Viewer & Network CIDR

Compare text blocks side-by-side with line-by-line diff highlighting, calculate IP subnet boundaries, and convert cURL commands to Python fetch scripts.

Frequently Asked Questions (FAQ)

Q: Is my source code or SQL query sent anywhere?

No. All code formatting, Regex evaluation, and text diff calculations run locally in your browser DOM. Confidential SQL schemas or proprietary code snippets remain 100% private.

Q: Does the Regex tester support JavaScript RegExp flags?

Yes, it supports standard JS Regex flags including global (g), case-insensitive (i), and multiline (m) matching.