VelsTech Programming & Web
Learning to code from scratch, building websites, and using the tools that make development faster – a natural path from your first line of code to deploying a project.
Learn to code
New to this? Follow the guided path →
How to start learning to code (2026)
Pick a language, build tiny projects, and avoid the tutorial trap – a realistic roadmap.
HTML, CSS, and JavaScript
The three building blocks of every website, explained with a simple analogy.
Git for complete beginners
Why every developer uses Git and the commands that cover 90% of daily work.
Code, format, test
JSON Formatter
Format, minify, and validate JSON with syntax highlighting.
Regex Tester
Test regular expressions live with inline match highlighting.
Text Diff Checker
Compare two versions of text with added and removed lines.
Text Case Converter
UPPERCASE, lowercase, Title Case, camelCase – all at once.
CSV ↔ JSON Converter
Paste CSV and get JSON, or paste JSON and get CSV.
UUID Generator
Generate UUID v4 and v7 identifiers – one or many.
Base64 Encoder / Decoder
Convert text to and from base64 with UTF-8 support.
JWT Decoder
Decode and inspect a JSON Web Token header, payload, and claims.
URL Encoder / Decoder
Percent-encode and decode URL components.
Docker Compose Generator
Add ports, volumes, env vars – get a copy-paste ready YAML.
FFmpeg Command Generator
Build a correct ffmpeg command without memorizing flags.
Color Converter
Convert between HEX, RGB, and HSL with a live swatch.
Timestamp Converter
Convert Unix timestamps to dates and back, with relative time.
On the roadmap
API basics
What REST, HTTP, and JSON actually mean.
Deploy your first project
From code to a live URL – hosting, domains, and CI/CD.
Command line for devs
File management, SSH, and shell scripting basics.