Developer tool catalog.

Preview rendered Markdown while editing your source text.

Beautify JavaScript code for easier reading and debugging.

Format CSS stylesheets with consistent indentation and spacing.

Format SQL queries for easier review, editing, and debugging.

Beautify HTML markup into clean, readable source code.

Convert Markdown content into HTML instantly in the browser.

Test regular expressions with live match and replace results.

Validate XML structure and detect malformed tags.

Validate YAML syntax and catch indentation problems fast.

Create a JSON Schema definition from example JSON data.

Compare two JSON documents and highlight structural differences.

Validate JSON payloads and quickly detect syntax errors.

Beautify YAML files for cleaner reading and editing.

Format and beautify raw JSON into a readable structured layout.

Repair common malformed JSON issues before parsing or saving.

Generate TypeScript interfaces directly from JSON samples.

Convert JSON arrays and objects into clean tabular output.

Transform JSON payloads into YAML with preserved structure.

Format XML documents with readable indentation and spacing.

Convert CSV rows into machine-readable JSON output.

Turn JSON arrays into CSV for spreadsheets and exports.

Generate .gitignore templates for common stacks and frameworks.

Convert cURL commands into language-specific request code.

Build and inspect cron expressions for scheduled tasks.

Encode or decode HTML entities for safe markup output.

Encode or decode URLs and query components safely.

Encode or decode Base64 strings for data transfer and debugging.

Generate UUID values for apps, APIs, and database records.

Create strong passwords with configurable length and character rules.

Generate QR codes from text, URLs, and short payloads.

Generate placeholder paragraphs, sentences, or words on demand.

Decode JWT tokens and inspect headers, payloads, and expiry data.

Create bcrypt password hashes for authentication workflows.

Generate common cryptographic hashes from text input.

Analyze keyword usage and density in pasted content.

Create clean URL slugs from titles and arbitrary text.

Remove repeated lines from pasted text while preserving clean readable output.

Collapse text spacing and remove unnecessary blank lines quickly.

Convert text between comma, pipe, tab, and custom delimiters.

Clean and normalize pasted text into a readable format.

Count words and measure text length while you type or paste.

Compare two text blocks and see their differences instantly.

Sort lines alphabetically, numerically, or by custom rules.

Convert text to upper, lower, title, camel, snake, or kebab case.

Count characters, spaces, lines, and paragraphs in text input.

Find repeated patterns in text and replace them quickly.

Convert Unix timestamps to human-readable dates and back.

Convert color values between HEX, RGB, HSL, and related formats.

Break down full URLs into protocol, host, path, and query parts.

Parse URL query strings into readable key-value output.

Build URL query strings from structured input fields.