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Format, validate, and minify JSON data.
Create secure, random passwords with custom requirements.
Generate random UUIDs (v4).
Encode and decode Base64 strings.
Convert between Unix timestamps and human-readable dates.
Calculate IPv4 subnets, CIDR, and network masks.
Generate customizable QR codes for URLs, text, and more.
Find your public IPv4 and IPv6 address.
Find location and ISP data for any IP address.
Query DNS records (A, MX, TXT, etc.) for any domain.
Test the reachability of a host and measure response time.
Trace the path packets take to a destination host.
Check if a specific TCP port is open on a host.
Verify SSL certificate validity and expiration.
Inspect the raw HTTP response headers of a URL.
Query domain registration and ownership data.
Test and debug regular expressions in the browser.
Decode JSON Web Tokens (JWT) payload and header safely.
Encode and decode URL parameters safely.
Encode and decode HTML entities safely.
Convert JSON data to CSV format.
Convert CSV data to JSON array.
Convert JSON to readable YAML format.
Convert YAML configuration to JSON.
Convert between HEX, RGB, and HSL formats.
Generate and understand CRON schedule expressions.
Convert numbers between binary, decimal, and hex.
Convert text between camelCase, snake_case, etc.
Generate SHA-256, SHA-384, and SHA-512 hashes.
Check password entropy and complexity.
Live Markdown editor with preview and HTML export.
Format and beautify HTML code.
Format, validate, and pretty-print XML data.
Format and beautify SQL queries.
Compare two JSON objects and highlight the differences.
Compare two text blocks and highlight added/removed lines.
Extract components like hostname, path, and query params from a URL.
Lookup definitions and use-cases for HTTP status codes.
Parse User-Agent strings to detect browser, OS, and device.
Find MIME types for file extensions and vice versa.
Generate random placeholder text.
Generate random numbers, booleans, and strings.
Escape or unescape strings for JSON, HTML, and URLs.
Convert HTML code into Markdown.
Convert Markdown into HTML safely.
Format and beautify JavaScript code.
Format and beautify CSS code.
Minify JavaScript code to reduce file size.
Minify CSS code to reduce file size.
Validate JSON objects against a JSON Schema.
Generate TypeScript interfaces from JSON data.
Generate Zod schemas from JSON data.
Format and beautify GraphQL queries.
Visually build cURL requests.
Convert cURL commands to JavaScript fetch code.
Parse, format, and view .env files safely.
Generate JSON Web Tokens locally.
Calculate SHA-256 and other hashes for local files.
Encode and decode files to Base64.
Generate Data URIs from local files.
Generate HTTP Basic Auth headers securely.
Measure your current download speed to our servers.
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