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Free Online Tools for Developers, Writers & SEO Pros
ToolFocus gives you instant access to 20+ free, browser-based utilities — no account, no install, no tracking. Format JSON, generate secure passwords, count words, encode Base64, and much more, all in one place.
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21+ free tools100% client-side0 signup
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JSON Formatter
Format, validate and minify JSON instantly
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Base64 Encoder / Decoder
Encode or decode Base64 strings in your browser
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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
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SQL Formatter
Format and beautify SQL queries instantly
Open →🔢
Word Counter
Count words, characters and reading time
Open →Aa
Case Converter
Convert text between UPPER, lower, Title and more
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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
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Open Graph Generator
Create Open Graph tags for social sharing
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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
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CSS Gradient Generator
Build beautiful CSS gradients visually
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Latest Guides
In-depth articles on tools, development & SEO
Developer7 min read
What is a JSON Formatter? Complete Guide for Developers
Learn what JSON is, why formatting matters, and how a free online JSON formatter boosts developer productivity — with examples, tips, and FAQs.
1 Nov 2024Read →
Developer7 min read
How to Format JSON: Best Practices for Clean, Readable Data
A complete guide to JSON formatting best practices — indentation, naming conventions, schema validation, and tools to keep your JSON clean across a team.
5 Nov 2024Read →
Security8 min read
The Complete Guide to Password Security in 2024: How to Stay Safe Online
Everything you need to know about creating strong passwords, using password managers, and protecting your accounts — with a free password generator.
8 Nov 2024Read →
Developer7 min read
What is Base64 Encoding? A Plain-English Explanation for Developers
Understand Base64 encoding and decoding — what it is, why it exists, common use cases in web development, and when NOT to use it.
12 Nov 2024Read →
Developer7 min read
URL Encoding Explained: What It Is and Why It Matters for Developers
A clear explanation of percent-encoding — what gets encoded, how to decode URLs, common pitfalls in web development, and how to fix them.
15 Nov 2024Read →
SEO9 min read
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.
18 Nov 2024Read →
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All tools run in your browser
Your data never leaves your device. No account, no tracking, no cost. Just instant, reliable tools.
Why Choose ToolFocus?
Every tool on ToolFocus runs entirely in your browser. That means your data never leaves your device — no server uploads, no logs, no privacy concerns.
Whether you are a developer who needs a quick JSON formatter, a writer checking word count, or an SEO specialist validating meta tags — ToolFocus has a dedicated, distraction-free tool for each task.
🔒 100% Private
No data is ever sent to our servers.
🆓 Always Free
Every tool is free to use, forever, with no limits.
📱 Works Everywhere
Fully responsive — desktop, tablet, or mobile.
Frequently Asked Questions
Are all ToolFocus tools completely free?
Yes. Every tool on ToolFocus is 100% free with no usage limits, no premium tier, and no sign-up required.
Do I need to create an account to use the tools?
No account is needed. Simply open any tool and start using it immediately — no registration, no email, no password.
Is my data safe when I use these tools?
Absolutely. All tools process data directly in your browser. Nothing is sent to or stored on our servers, so your data stays completely private.
What kinds of tools does ToolFocus offer?
ToolFocus offers tools across categories including developer utilities (JSON formatter, Base64 encoder), text tools (word counter, case converter), security tools (password generator), and SEO utilities — with more added regularly.
Can I use ToolFocus on my phone or tablet?
Yes. ToolFocus is fully responsive and works seamlessly on all screen sizes including smartphones and tablets.