ToolsVela Blog
Tutorials, how-to guides, and tips for developers, writers, and creators. Free, practical, no fluff.
Word Counter Guide: How to Hit Any Word Limit With Confidence
This word counter guide on how to hit any word limit gives you more than a counting tool — it gives you a complete system for expanding, condensing and managing your writing with…
Regex Cheatsheet: 20 Patterns Every Developer Should Know
This regex cheatsheet gives you 20 patterns you can copy and paste directly into your JavaScript, Python or PCRE (Perl Compatible Regular Expressions) projects. You will find real…
Privacy-First Web Tools: Why Browser-Based Is the Future of Data Protection
Privacy-first web tools have moved beyond a niche concern for security researchers. They represent a fundamental shift in how developers build, deploy and think about data on the…
JSON Formatter vs JSON Validator: What Is the Difference and Why It Matters
Understanding the difference between a JSON Formatter vs JSON Validator is one of those distinctions that saves developers hours of debugging time. Both tools work with JavaScript…
How to Make a Professional Invoice for Free: The Complete Guide
Learning how to make a professional invoice for free is one of the most valuable skills any freelancer, contractor or small business owner can develop. This guide covers every…
How to Use QR Codes for Business: A Complete Guide to Payments, Cards and Analytics
Learning how to use QR codes for business is one of the most practical steps you can take to modernise your operations, whether you run a coffee shop, a consulting firm or an…
Free Online Tools Every Developer Needs Plus the Hidden Costs Nobody Talks About
The free online tools every developer needs have never been more powerful or more plentiful than they are right now. From browser-based coding environments to AI-assisted…
How to Convert Markdown to PDF: Four Methods Compared
Knowing how to turn Markdown into a PDF is a practical skill for developers, technical writers and documentation teams. Maybe you're sharing a report, submitting a resume, or…
How to Count Tokens for GPT-4o, Claude Opus and Gemini (And Cut Your API Costs)
Knowing how to count tokens for GPT-4o, Claude Opus and Gemini is one of the most practical skills any developer or AI builder can have. Tokens determine what you can send to a…
Prompt Engineering: How to Write Better LLM Prompts That Actually Deliver Results
Prompt engineering and how to write better LLM prompts is one of the most practical skills you can develop when working with large language models (LLMs) like OpenAI's GPT-4,…