Development

Convert Comma Separated Values (CSV) to structured JSON data easily.

Compare two JSON objects and see exactly which keys were added, removed, or changed -- ignores key order. Free and runs entirely in your browser.

A lightweight, simple tool to edit and refine your JSON data directly.

Compress your JSON data to the smallest size for optimal storage and transport. Remove all unnecessary whitespace instantly.

Prettify and format messy JSON instantly. Free, browser-based JSON formatter with syntax highlighting and error detection.

Flatten JSON arrays into Comma Separated Values (CSV).

Convert a JSON array of objects into ready-to-use HTML table markup instantly in your browser. Perfect for quickly embedding structured data into a web page.

Convert JSON data into plain, human-readable text.

Convert JSON arrays into Tab Separated Values (TSV).

Convert JSON data structures into XML formats.

Convert JSON data into clean, indented YAML instantly in your browser. Perfect for Kubernetes manifests, CI/CD configs, and Docker Compose files.

Check if your JSON is valid according to RFC 8259 standards. Get detailed error reports and syntax validation instantly.

View, explore, and prettify JSON data with syntax highlighting.

Generate realistic fake JSON test data — names, emails, dates, prices, and more — with a field picker and an optional seed for reproducible results. Free and runs entirely in your browser.

Convert Tab Separated Values (TSV) to structured JSON data efficiently.

Transform structured XML data into the more flexible JSON format.

Convert YAML configuration files into standard JSON instantly in your browser. Ideal for feeding YAML config into JSON-only APIs or scripts.

Validate YAML syntax instantly in your browser and get a clear error message with line number if something's wrong. Free and private.

Beautify and pretty-print raw, minified CSS with proper indentation. Free and runs entirely in your browser.

Beautify and pretty-print raw, minified HTML with proper indentation. Free and runs entirely in your browser.

Beautify and pretty-print raw, minified JavaScript with proper indentation. Free and runs entirely in your browser.

Convert Markdown to HTML and HTML back to Markdown in real time with a live preview. 100% client-side, nothing you type is ever saved or tracked.

Beautify and pretty-print raw, minified SQL queries with proper indentation and keyword casing. Free and runs entirely in your browser.

Generate a combined .gitignore file from common languages, frameworks, and editors with a simple checklist. Free and runs entirely in your browser.

Paste a 5-field cron expression and get a plain-English explanation plus the next 5 scheduled run times. Free and runs entirely in your browser.

Convert comma-separated values (CSV) into tab-separated values (TSV) instantly in your browser. Useful for pasting data into spreadsheet tools that expect tabs.

Build a properly shell-escaped curl command from a method, URL, headers, and request body. Free and runs entirely in your browser.

Convert tab-separated values (TSV) into comma-separated values (CSV) instantly in your browser. Useful for preparing spreadsheet exports for CSV-only import tools.

Quickly convert text to UPPER CASE, lower case, Sentence case, Capitalized Case, camelCase, PascalCase, or snake_case with our free online tool.

Randomly shuffle the lines of a pasted list using the Fisher-Yates algorithm. Free, fast, and runs entirely in your browser.

Free Lorem Ipsum generator for designers and developers. Create custom paragraphs, sentences, or words of placeholder text instantly.

Generate random words instantly for brainstorming, creative writing, or learning. Choose the number of words and word types with our free online tool.

Quickly remove or replace line breaks in your text. Perfectly format text copied from PDFs, emails, or websites with our free online tool.

Compare two blocks of text line by line and instantly see what was added, removed, or unchanged. Free and runs entirely in your browser.

Count words, characters, sentences, and paragraphs in real-time. Estimate reading and speaking time for your content with our free online tool.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text, computed locally with the Web Crypto API. Free and runs entirely in your browser.

Decode a JWT's header and payload instantly and check its expiration, computed locally in your browser. Free, no signup, and your token is never sent to a server.

Generate high-entropy, secure passwords instantly with our free online tool. Customize length and characters to protect your digital accounts.

Test JavaScript regular expressions in real time with live match highlighting, capturing group breakdowns, and instant replacement previews. 100% client-side.

Generate cryptographically random RFC 4122 v4 UUIDs online, one at a time or in bulk. Free, fast, and runs entirely in your browser.