Clear answers about AI and the technology you use every day.

Word Counter

Count words, characters, sentences and paragraphs, and estimate reading and speaking time.

JSON Formatter & Validator

Format, minify and validate JSON, with the line and column of the first error.

Text Case Converter

Switch text between upper case, lower case, title case, sentence case and common code styles.

HEX / RGB Color Converter

Convert colours between HEX, RGB and HSL, preview them, and check text contrast.

Meta Title & Description Preview

Draft a page title and meta description and see an approximate search-result snippet.

Duplicate Line Remover

Remove repeated lines from lists without scrambling their original order.

Whitespace Cleaner

Standardize line endings, indentation and blank lines in pasted text.

Line-by-Line Text Diff

Compare two passages and show added, removed and unchanged lines.

Base64 Text Encoder / Decoder

Encode UTF-8 text as Base64 or decode Base64 back to readable text.

URL Component Encoder / Decoder

Encode or decode URL query values and path components safely.

HTML Escape / Unescape

Convert HTML special characters into safe entities and decode common entities.

Unix Timestamp Converter

Translate Unix timestamps and ISO date-times into UTC and local time.

Password Pattern Checklist

Spot basic weak password patterns locally, without sending a password anywhere.

SHA-2 Hash Generator

Compute SHA-256, SHA-384 or SHA-512 digests of text in your browser.

Random Passphrase Generator

Create multiword passphrases with secure browser randomness.

Sensitive Data Redactor

Mask likely emails, phone numbers and IPv4 addresses in pasted text.

Analogous Color Palette Generator

Generate five coordinated HEX colors from a single base hue.

Two-Color Contrast Checker

Check WCAG contrast between any foreground and background HEX colors.

CSS Linear Gradient Builder

Build and preview a two-color CSS gradient with angle and stops.

CSS Box Shadow Builder

Preview and generate a CSS shadow with blur, offset, spread and opacity.

SEO-Friendly URL Slug Generator

Turn a title into a concise lowercase URL slug, including Unicode letters.

Robots.txt Rule Builder

Draft robots.txt Allow and Disallow rules and a sitemap line.

UTM Campaign URL Builder

Add consistent utm_source, utm_medium and utm_campaign tags to a URL.

FAQ JSON-LD Schema Generator

Generate valid FAQPage JSON-LD markup from up to three question-answer pairs.