Web Tools

The web category covers the day-to-day utilities of building for the browser and the network: encoding URLs, testing regular expressions, decoding cron schedules, converting colors, escaping HTML, parsing URLs and User-Agents, calculating subnets, and generating meta tags and redirect rules.

URL Encode / Decode

Percent-encode text for safe use in URLs, or decode it back.

HTML Entity Encode / Decode

Escape text to HTML entities, or decode entities back to characters.

Regex Tester

Test regular expressions against text in real time, with live match highlighting.

Cron Expression Parser

Translate cron expressions into plain English and build new schedules.

Color Converter

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

Text Diff Checker

Compare two blocks of text and highlight every difference.

URL Parser

Parse a URL into its protocol, host, path, query parameters and more.

SQL Formatter

Format and beautify SQL queries for readability.

IP Subnet Calculator

Calculate network address, broadcast, range and host count from CIDR.

Redirect Rule Generator

Generate 301/302 redirect rules for Apache .htaccess and Nginx.

Meta Tag Generator

Generate SEO, Open Graph and Twitter meta tags for any page.

Email Normalizer

Normalize email addresses to detect duplicates and aliases.

User Agent Parser

Break down a User-Agent string into browser, OS and device.

JSON Diff

Compare two JSON objects structurally and see what changed.

Cron Next Runs

See the next execution times for any cron expression.

Color Palette Generator

Generate tints and shades from a base color.

HTTP Header Parser

Parse raw HTTP headers into a readable list.

Query String Parser

Parse a URL query string into JSON.

Query String Builder

Build a URL query string from JSON.

HTML Tag Stripper

Remove all HTML tags, keep the text.

JSON to Query String

Flatten JSON into URL parameters.

URL Encoder

Percent-encode text for URLs.

URL Decoder

Decode percent-encoded URL text.

HTML Entity Encoder

Escape text into HTML entities.

HTML Entity Decoder

Decode HTML entities to plain text.

CSS Minifier

Minify CSS by removing whitespace and comments.

JS Comment Stripper

Remove comments and blank lines from JS.

About Web tools

These are the tools you reach for while wiring things together — making a value safe for a query string, confirming a regex matches what you expect, checking when a cron job will actually run, or turning a designer’s HEX into the RGB your canvas needs. Each one runs in your browser, so testing a pattern against real log data or parsing a production URL never sends that data anywhere. The category is deliberately broad because web development sits at the intersection of formats, protocols and presentation, and the right small utility removes friction from all three.

Other categories

Converters Crypto & Security Text Generators Reference