Free Online Tools for Developers & Professionals
Instant, browser-based utilities — JSON formatter, password generator, word counter, Base64 encoder, and 21+ more. No account needed. Your data never leaves your device.
JSON Formatter
Format, validate and minify JSON instantly
Open →Base64 Encoder / Decoder
Encode or decode Base64 strings in your browser
Open →UUID Generator
Generate v4 UUIDs instantly — bulk or single
Open →JWT Decoder
Decode and inspect JWT tokens instantly
Open →URL Encoder / Decoder
Encode or decode URLs and query strings
Open →CSV ↔ JSON Converter
Convert between CSV and JSON formats in one click
Open →SQL Formatter
Format and beautify SQL queries instantly
Open →Word Counter
Count words, characters and reading time
Open →Case Converter
Convert text between UPPER, lower, Title and more
Open →Remove Extra Spaces
Clean up extra whitespace from any text
Open →Text Diff Checker
Compare two texts and highlight differences
Open →Regex Tester
Test regular expressions with live highlighting
Open →Meta Tag Generator
Generate complete SEO and Open Graph meta tags
Open →Slug Generator
Generate SEO-friendly URL slugs from any title
Open →Keyword Density Checker
Analyse keyword frequency in your content
Open →Open Graph Generator
Create Open Graph tags for social sharing
Open →Robots.txt Generator
Generate a robots.txt file for your website
Open →Password Generator
Generate strong, random passwords instantly
Open →Hash Generator
Generate MD5, SHA-256 and SHA-512 hashes
Open →Hex Colour Picker
Pick, convert and explore colours in HEX, RGB & HSL
Open →CSS Gradient Generator
Build beautiful CSS gradients visually
Open →Advertisement
Why Use ToolFocus?
🔒 Private by Design
Every tool on ToolFocus runs entirely inside your browser. Nothing is sent to our servers — your code, passwords, documents, and data stay completely private on your device.
⚡ Instant Results
No loading spinners, no round trips. Because processing happens locally, results appear in milliseconds. Format JSON, count words, or generate a password without waiting.
🆓 Always Free
No paywalls, no free tiers, no subscription nags. Every tool is free to use as many times as you like. No account or email address required, ever.
Latest Guides
In-depth articles on tools, development & SEO
What is a JSON Formatter? The Complete Guide
Learn what JSON is, why formatting matters, and how a JSON formatter boosts developer productivity.
How to Format JSON: Best Practices for Clean, Readable Data
A complete guide to JSON formatting best practices for developers, including indentation, naming conventions, and validation.
The Complete Guide to Password Security in 2024
Everything you need to know about creating strong passwords, using password managers, and protecting your accounts online.
What is Base64 Encoding? A Plain-English Explanation
Understand Base64 encoding and decoding — what it is, why it exists, when to use it, and common use cases in web development.
URL Encoding Explained: What It Is and Why It Matters
A clear explanation of percent-encoding — what gets encoded, how to decode URLs, and common pitfalls in web development.
Meta Tags Complete Guide: SEO, Social Sharing & Best Practices
Everything web developers and SEO professionals need to know about HTML meta tags — title tags, descriptions, Open Graph, Twitter Cards, and more.
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