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Developer
Articles filed under Developer.
Showing 22–42 of 50 articles
🆔 Developer
How to Generate UUIDs in Bulk for Development
Generate cryptographically secure version 4 UUIDs one at a time or in bulk, with optional uppercase and hyphen formatting, then copy the full list at once.
✒️ Developer
How to Preview and Style SVG Path Data Live
Paste SVG path data to preview it live, adjust viewBox, stroke, and fill, and copy the resulting SVG markup, without a full vector design app.
🌈 Developer
How to Build a CSS Gradient Visually
Build a linear or radial CSS gradient visually with unlimited color stops, live preview, and one-click copy of the generated CSS, without hand-writing gradient syntax.
🧱 Developer
How to Build a CSS Grid Layout Visually
Adjust columns, rows, and gap with a live preview, then copy the generated CSS Grid code, without memorizing grid-template-columns syntax from scratch.
🎞️ Developer
How to Build CSS Keyframe Animations With a Live Preview
Generate CSS @keyframes animations - bounce, spin, pulse, shake, and fade - with adjustable duration, timing, and iteration count, previewed before you copy any code.
🔍 Developer
How to Compare Two Blocks of Text or Code Side by Side
Compare two blocks of text or code side by side with an LCS line diff, added and removed lines highlighted, and a running change count, right in your browser.
🧾 Developer
How to Compare Two JSON Objects Structurally
Compare two JSON objects field by field, ignoring key order, with added, removed, and changed values clearly color-coded, instead of eyeballing two blobs.
🐳 Developer
How to Convert a Docker Run Command to Compose
Paste a docker run command and get an equivalent docker-compose.yml, with ports, environment variables, and volumes mapped correctly, without hand-translating flags.
🔡 Developer
How to Convert Hex Bytes to Readable Text
Convert hex byte sequences into readable text, or text into hex, with support for space-separated and 0x-prefixed formats, for debugging raw data.
🔓 Developer
How to Decode a JWT Without a Backend
Paste a JWT to decode its header and payload as readable JSON, with expiry status shown if present, without spinning up any backend code.
🧩 Developer
How to Encode and Decode Base64 Text
Encode text to Base64 or decode Base64 back to text, with an optional URL-safe variant, without spinning up a script for a quick one-off conversion.
✉️ Developer
How to Encode and Decode Quoted-Printable Text
Encode text to Quoted-Printable (RFC 2045) or decode it back, with proper line wrapping and UTF-8 support, for debugging raw email or MIME content.
🔏 Developer
How to Encode and Sign a JWT in Your Browser
Decode a JWT's header and payload, or encode and sign a new HS256 token from JSON and a secret, using the Web Crypto API, without setting up a backend.
🌿 Developer
How to Find the Git Command You Half-Remember
Browse and search the most commonly used Git commands, grouped by category, with plain-language descriptions, instead of guessing at the flag you need.
🐍 Developer
How to Generate a Python Dataclass From JSON
Paste a JSON object or array and generate a typed Python @dataclass with inferred field types, instead of hand-writing boilerplate class definitions.
📄 Developer
How to Generate a Clean HTML5 Starter Template
Generate a minimal, valid HTML5 starter document with your chosen title, language, and optional CSS/JS links, without retyping the same boilerplate again.
↪️ Developer
How to Generate Apache .htaccess Redirect Rules
Generate .htaccess redirect rules for Apache, including 301/302 redirects, forced HTTPS, and www enforcement, without hand-writing regex-heavy rewrite syntax.
🔐 Developer
How to Generate MD5 and SHA Hashes of Text
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text instantly, all at once, for testing, verification, or comparing against a known value.
📘 Developer
How to Look Up a Regex Token Fast
Browse and search common regular expression tokens — character classes, anchors, quantifiers, groups, and flags — each with a short example, without a wall of docs.
🌐 Developer
How to Look Up an HTTP Status Code Fast
Look up any HTTP status code, 100 to 500-series, with a plain-English explanation, searchable instantly by number or keyword, without another tab of jargon.
🔤 Developer
How to Look Up Any Character's Unicode Codepoint
Inspect any character's Unicode code point, decimal value, UTF-8 bytes, UTF-16 units, and HTML entity, for debugging encoding issues and character bugs.