Random port generator, chmod calculator (numeric/symbolic), Docker run to Compose converter, YAML formatter, and email address normalizer.
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.
NATO phonetic alphabet converter, ASCII binary converter, Unicode code point viewer, Roman numeral converter, and string obfuscator with leet speak, ROT13, Base64, and shuffle.
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).
Email Signature Generator builds HTML email signatures through a form-based UI with social link fields and icon toggles.
JSON diff comparison, WiFi QR code config generator, SVG placeholder generator, international phone number parser, OTP code generator, and slugify tool.
Developer Utilities lets you random port generator, chmod calculator (numeric/symbolic), Docker run to Compose converter, YAML formatter, and email address normalizer.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Random port generator, chmod calculator (numeric/symbolic), Docker run to Compose converter, YAML formatter, and email address normalizer. It's ideal for developers, designers, and anyone who needs to random port generator, chmod calculator (numeric/symbolic), docker run to compose converter, yaml formatter, and email address normalizer without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Common file formats are supported for upload-based tools.
Yes. After the initial page load, Developer Utilities 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.