Developer Guides
Practical guides for every tool — how they work, when to use them, and real workflow examples.
Hash Generator: MD5, SHA-256, and When to Use Each Algorithm
A practical guide to cryptographic hashing — what MD5, SHA-1, SHA-256, SHA-384, and SHA-512 are good for, how to hash files in the browser, and the difference between hashing and encryption.
How to Decode a JWT: A Complete Guide to Reading and Verifying JSON Web Tokens
Everything you need to understand a JWT — header, payload, claims, expiry, signature verification, and the security warnings you should pay attention to.
URL Encoding Explained: encodeURIComponent vs encodeURI and When to Use Each
Understanding percent-encoding, the difference between component and full URL encoding modes, and practical scenarios where URL encoding matters in everyday development.
Base64 Encoding Explained: What It Is, When to Use It, and How to Encode Files
A practical guide to Base64 — what it does, why developers use it, the difference between Base64 and Base64URL, and how to encode files and images in the browser.
HTML Minifier: Shrinking Markup Without Breaking Your Pages
What HTML minification removes, how the preserve-comments option works, and when minifying HTML actually matters for performance.
JavaScript Minifier: What It Does, When to Use It, and Its Limits
A practical look at browser-based JS minification — what transformations are applied, where it fits in a real workflow, and why it's not a replacement for Terser or esbuild.
CSS Minifier & Beautifier: Practical Guide to Shrinking and Reading CSS
When to minify CSS, what a browser-based minifier actually does, how to use beautify mode for debugging vendor CSS, and how it fits into a modern front-end workflow.
JSON to SQL: Infer Table Schemas from JSON Objects
How to use a JSON-to-SQL converter to draft CREATE TABLE statements from API responses, log structures, and document schemas — with practical examples and limitations.
C# Class to SQL Table: Generate CREATE TABLE from Your Entities
How to scaffold SQL CREATE TABLE statements from C# entity classes for SQL Server, MySQL, and PostgreSQL — what gets mapped, what doesn't, and how to use the output.
JSON to C# Class Generator: From API Response to POCO in Seconds
How to use a JSON-to-C# converter to scaffold model classes from real API responses, database records, and config objects — and what to watch out for afterward.
C# Class to JSON: Generate Sample Payloads from Your Models
How to turn C# classes into example JSON payloads for API docs, tests, and integration work — without running any code.
SQL Formatter: Why Dialect Matters and How to Format Queries Properly
A practical guide to formatting SQL across T-SQL, PostgreSQL, MySQL, and SQLite — why dialect-aware formatting matters and how it fits into a real dev workflow.
JSON Formatter & Validator: A Practical Guide for Developers
How to get real value out of a browser-based JSON formatter — formatting messy API payloads, catching parse errors early, and keeping your workflow fast.