Tools

Browser-first utilities — text, JSON, encoding, and password helpers that run locally in your browser.

Text

Case Converter

Convert text between camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE.

Slugify

Convert text into a URL-safe slug.

Reverse Text

Reverse an entire string or reverse each line.

Sort Lines

Sort lines alphabetically A–Z or Z–A.

Line Numberer

Add or remove line numbers from text.

Find & Replace

Find plain text and replace all matches in your browser.

Text Diff

Compare two texts line by line and highlight differences.

Lorem Ipsum Generator

Generate placeholder paragraphs, sentences, or words for mockups.

Uppercase

Convert all characters to uppercase.

Lowercase

Convert all characters to lowercase.

Capitalize

Capitalize the first letter of each word.

Word Count

Count words, lines, and paragraphs in your text.

Character Count

Count characters with and without spaces.

Remove Duplicate Lines

Keep the first occurrence of each unique line.

Remove Extra Spaces

Collapse repeated spaces and trim each line.

JSON

JSON Formatter

Pretty-print JSON with indentation.

JSON Minifier

Remove whitespace from valid JSON.

JSON Validator

Check whether text is valid JSON.

JSON Compare

Compare two JSON documents for structural equality.

Encoding

HTML Encode / Decode

Encode or decode HTML entities for safe markup text.

Markdown → HTML

Convert Markdown to HTML in your browser for previews and content pipelines.

Color Converter

Convert colors between HEX, RGB, and HSL formats.

Base64 Encode

Encode text to Base64 (UTF-8 safe).

Base64 Decode

Decode Base64 text back to UTF-8.

URL Encode

Percent-encode text for use in URLs.

URL Decode

Decode percent-encoded URL text.

Password

Password Generator

Generate a strong random password in your browser.

Password Strength Checker

Estimate password strength from length and character variety.

Developer

UUID Generator

Generate one or more random UUID v4 values in your browser.

Hash Generator

Generate SHA-1, SHA-256, SHA-384, or SHA-512 hashes using the Web Crypto API.

JWT Decoder

Decode a JWT header and payload in your browser (signature is not verified).

Timestamp Converter

Convert between Unix timestamps and human-readable dates.

Regex Tester

Test a regular expression against sample text and list matches.

Cron Explainer

Translate a 5-field cron expression into plain English.

CSV ↔ JSON Converter

Convert CSV to JSON objects, or JSON arrays to CSV.

YAML ↔ JSON Converter

Convert YAML documents to JSON, or JSON values to YAML.

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.