Perform DNS lookups for A, AAAA, CNAME, MX, TXT, and NS records.
HTTP headers (analyzer, generator for JSON/REST/GraphQL, cache header generator, status code checker), CORS & rate limit (CORS header generator, policy tester, rate limit header parser), env/config (.env parser, variable template generator, AMQP exchange config), and dev config (ESLint configs for React/Node/TypeScript/Next.js, HTTP retry policy builder with exponential/linear/circuit-breaker).
SSL/TLS tools (certificate decoder/validator, TLS cipher reference), security tools (secret scanner, security.txt generator, robots.txt/DNS record validator), config linters (Docker Compose, Dockerfile, htaccess, Kubernetes YAML, GitHub Actions), and data validators (GeoJSON, RSS feed, sitemap, XPath, cron expression, email).
Bidirectional YAML to JSON and JSON to YAML conversion with auto-format detection and real-time preview. Perfect for configuration files, API payloads, and data migration.
Produces a robots.txt file from a point-and-click form where you set allowed and disallowed paths, crawl delays, and sitemap references.
Analyzes your writing with real-time word count, sentence count, syllable count, paragraphs, and advanced readability metrics — Flesch-Kincaid Reading Ease, Grade Level, estimated speaking time, and keyword density. Essential for writers, students, and SEO professionals optimizing content for readability.
DNS Lookup Generator lets you perform DNS lookups for A, AAAA, CNAME, MX, TXT, and NS records.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Perform DNS lookups for A, AAAA, CNAME, MX, TXT, and NS records. It's ideal for developers, designers, and anyone who needs to perform dns lookups for a, aaaa, cname, mx, txt, and ns records without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Paste or type your content directly into the provided editor area.
Yes. After the initial page load, DNS Lookup Generator runs entirely on your device with no internet connection needed. All processing is done locally.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check individual tool descriptions for specifics.
No. All code processing — formatting, minification, conversion, hashing — runs locally in your browser.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. SQL uses sql-formatter, JSON uses native JSON.parse, and other formatters follow widely adopted formatting rules.
Yes. All developer tools work fully offline after the initial page load.
Time Converter
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results.
Diff Checker
Compares two input texts side-by-side, highlighting inserted, deleted, and changed lines with distinct background colors.
Regex Tester
Provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match.
JSON Formatter
Pretty-prints raw JSON with configurable indent width, key sorting, and bracket collapsing options while flagging syntax errors with exact.
JS Minifier
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics.
Base64 Encode/Decode
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety.