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Snappy Tools

Free browser-side tools for developers & designers — CSS minifier, JSON formatter, color picker & 18 more. No signup. No uploads. snappytools.app

Location London, UK Joined Joined on  Personal website https://snappytools.app
The Developer's Guide to CSS Minification: Why It Matters and How to Do It
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The Developer's Guide to CSS Minification: Why It Matters and How to Do It

#css #webdev #performance #tools
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3 min read
Number Systems Demystified: Binary, Octal, Decimal, and Hex
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Number Systems Demystified: Binary, Octal, Decimal, and Hex

#webdev #javascript #beginners #programming
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4 min read
Binary, Octal, Decimal, Hex: Why Programmers Use Four Number Systems
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Binary, Octal, Decimal, Hex: Why Programmers Use Four Number Systems

#webdev #javascript #beginners #programming
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4 min read
JSON Schema Validation: A Practical Guide with Examples
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JSON Schema Validation: A Practical Guide with Examples

#webdev #javascript #tools #api
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3 min read
How to Use Regex for Text Processing: Practical Examples in JavaScript and Python
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How to Use Regex for Text Processing: Practical Examples in JavaScript and Python

#webdev #javascript #python #beginners
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4 min read
Markdown to HTML: Syntax Reference and Conversion Guide
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Markdown to HTML: Syntax Reference and Conversion Guide

#webdev #tools #javascript #beginners
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3 min read
YAML vs JSON: When to Use Each and How to Convert Between Them
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YAML vs JSON: When to Use Each and How to Convert Between Them

#webdev #devops #javascript #beginners
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4 min read
CSS Box Shadow: The Complete Guide to Shadows, Layers, and Design Patterns
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CSS Box Shadow: The Complete Guide to Shadows, Layers, and Design Patterns

#css #webdev #frontend #beginners
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4 min read
QR Code Generation and Scanning in Web Apps: A Developer's Guide
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QR Code Generation and Scanning in Web Apps: A Developer's Guide

#webdev #javascript #tools #productivity
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4 min read
QR Codes in Web Development: Generation, Scanning, and Best Practices
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QR Codes in Web Development: Generation, Scanning, and Best Practices

#webdev #javascript #tools #productivity
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4 min read
SQL Window Functions: A Practical Guide to ROW_NUMBER, RANK, LAG, and LEAD
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SQL Window Functions: A Practical Guide to ROW_NUMBER, RANK, LAG, and LEAD

#webdev #sql #database #beginners
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4 min read
Deduplication Techniques for Text, Lists, and Data: When to Use Which
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Deduplication Techniques for Text, Lists, and Data: When to Use Which

#webdev #productivity #tools #javascript
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4 min read
Character Limits That Actually Matter: Twitter, LinkedIn, Meta Descriptions, and More
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Character Limits That Actually Matter: Twitter, LinkedIn, Meta Descriptions, and More

#webdev #productivity #tools #beginners
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3 min read
CSS Color Formats: A Practical Guide to HEX, RGB, HSL, and oklch
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CSS Color Formats: A Practical Guide to HEX, RGB, HSL, and oklch

#css #webdev #frontend #beginners
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4 min read
How to Read, Debug, and Format JSON API Responses
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How to Read, Debug, and Format JSON API Responses

#webdev #javascript #beginners #productivity
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4 min read
Hash Functions Explained: MD5, SHA-1, SHA-256 and When to Use Each
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Hash Functions Explained: MD5, SHA-1, SHA-256 and When to Use Each

#webdev #javascript #tools #beginners
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4 min read
CSS Box Shadows: The Complete Guide From Flat to Floating
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CSS Box Shadows: The Complete Guide From Flat to Floating

#css #webdev #frontend #beginners
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4 min read
Why Your SQL Looks Like a Mess (And How to Fix It in Seconds)
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Why Your SQL Looks Like a Mess (And How to Fix It in Seconds)

#sql #webdev #beginners #productivity
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4 min read
JWTs Explained: What's Inside That Token and How to Read It
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JWTs Explained: What's Inside That Token and How to Read It

#webdev #javascript #security #beginners
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4 min read
JSON Schema Explained: Validate Your API Data Before It Breaks Production
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JSON Schema Explained: Validate Your API Data Before It Breaks Production

#webdev #javascript #api #beginners
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3 min read
JavaScript Minification Explained: How Terser Shrinks Your Code (and Why It Matters)
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JavaScript Minification Explained: How Terser Shrinks Your Code (and Why It Matters)

#javascript #webdev #performance #beginners
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3 min read
URL Encoding Explained: Why Special Characters Break Your URLs (and How to Fix It)
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URL Encoding Explained: Why Special Characters Break Your URLs (and How to Fix It)

#webdev #beginners #productivity #tools
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3 min read
Color Contrast in Web Design: WCAG AA, AAA, and Why It Actually Matters
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Color Contrast in Web Design: WCAG AA, AAA, and Why It Actually Matters

#webdev #a11y #css #beginners
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4 min read
JWT Tokens Decoded: What's Actually Inside Your Auth Token
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JWT Tokens Decoded: What's Actually Inside Your Auth Token

#webdev #security #javascript #beginners
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3 min read
HEX, RGB, HSL, and CMYK: A Developer's Colour Format Reference
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HEX, RGB, HSL, and CMYK: A Developer's Colour Format Reference

#webdev #css #beginners #tools
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3 min read
Why Your JavaScript Is Too Big (And How to Fix It in 2 Minutes)
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Why Your JavaScript Is Too Big (And How to Fix It in 2 Minutes)

#javascript #webdev #performance #beginners
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3 min read
Image to Base64: The Complete Guide (with HTML, CSS, and JavaScript examples)
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Image to Base64: The Complete Guide (with HTML, CSS, and JavaScript examples)

#webdev #javascript #beginners #tools
1
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3 min read
URL Encoding Explained: Why %20 Means a Space (and When to Use encodeURIComponent)
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URL Encoding Explained: Why %20 Means a Space (and When to Use encodeURIComponent)

#webdev #javascript #beginners #tools
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3 min read
JSON Schema Explained: How to Validate Your API Data in 10 Minutes
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JSON Schema Explained: How to Validate Your API Data in 10 Minutes

#webdev #javascript #beginners #tools
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4 min read
HTML Minification: What Gets Removed and Why It's Safe
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HTML Minification: What Gets Removed and Why It's Safe

#webdev #performance #beginners #tools
1
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3 min read
Converting JSON to CSV: How to Flatten Nested Data for Spreadsheets
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Converting JSON to CSV: How to Flatten Nested Data for Spreadsheets

#javascript #webdev #beginners #tools
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4 min read
JSON Schema: How to Validate API Responses Before They Break Your App
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JSON Schema: How to Validate API Responses Before They Break Your App

#webdev #javascript #beginners #tools
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3 min read
UUID v4 vs UUID v7: Which One Should You Use?
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UUID v4 vs UUID v7: Which One Should You Use?

#webdev #beginners #productivity #tools
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4 min read
CSS Color Contrast: The WCAG Rules Every Developer Should Know
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CSS Color Contrast: The WCAG Rules Every Developer Should Know

#css #webdev #a11y #beginners
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4 min read
CSV and JSON: Converting Between Formats Without Any Libraries
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CSV and JSON: Converting Between Formats Without Any Libraries

#webdev #javascript #beginners #productivity
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4 min read
YAML vs JSON: A Practical Guide for Developers
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YAML vs JSON: A Practical Guide for Developers

#webdev #productivity #beginners #tools
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3 min read
Hashing vs Encryption vs Encoding: What Every Developer Should Know
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Hashing vs Encryption vs Encoding: What Every Developer Should Know

#webdev #javascript #beginners #tools
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4 min read
7 Things Most Developers Don't Know About JSON.parse() and JSON.stringify()
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7 Things Most Developers Don't Know About JSON.parse() and JSON.stringify()

#javascript #webdev #beginners #productivity
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4 min read
JavaScript String Methods Every Developer Should Know in 2026
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JavaScript String Methods Every Developer Should Know in 2026

#javascript #webdev #beginners #productivity
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3 min read
CSV to JSON in JavaScript: Handling Every Edge Case (Headers, Quotes, Types)
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CSV to JSON in JavaScript: Handling Every Edge Case (Headers, Quotes, Types)

#javascript #webdev #beginners #tutorial
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4 min read
WCAG Color Contrast: Why Your UI Might Be Failing Accessibility Tests
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WCAG Color Contrast: Why Your UI Might Be Failing Accessibility Tests

#webdev #css #a11y #beginners
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4 min read
CSV to JSON: How to Convert Tabular Data in Pure JavaScript (No Libraries)
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CSV to JSON: How to Convert Tabular Data in Pure JavaScript (No Libraries)

#webdev #javascript #beginners #tools
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4 min read
JWT Tokens Decoded: What's Actually Inside That eyJ… String
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JWT Tokens Decoded: What's Actually Inside That eyJ… String

#webdev #javascript #security #tools
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4 min read
localStorage vs sessionStorage vs Cookies: When to Use Each
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localStorage vs sessionStorage vs Cookies: When to Use Each

#javascript #webdev #frontend #beginners
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3 min read
YAML for Developers: Syntax, Gotchas, and When to Use It
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YAML for Developers: Syntax, Gotchas, and When to Use It

#webdev #programming #devops #beginners
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3 min read
Unix Timestamps: A Complete Developer Reference
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Unix Timestamps: A Complete Developer Reference

#webdev #javascript #programming #beginners
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3 min read
CSS Color Formats: Hex, RGB, HSL, and When to Use Each
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CSS Color Formats: Hex, RGB, HSL, and When to Use Each

#css #webdev #frontend #beginners
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4 min read
Base64 Encoding: What It Is, How It Works, and When to Use It
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Base64 Encoding: What It Is, How It Works, and When to Use It

#webdev #javascript #beginners #programming
1
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3 min read
JavaScript Array Methods: map, filter, reduce, and Everything Else You Need
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JavaScript Array Methods: map, filter, reduce, and Everything Else You Need

#javascript #webdev #beginners #programming
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4 min read
The CSS Box Model: Margin, Padding, Border, and box-sizing Explained
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The CSS Box Model: Margin, Padding, Border, and box-sizing Explained

#css #webdev #beginners #frontend
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3 min read
Markdown Tips for Developers: Beyond the Basics
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Markdown Tips for Developers: Beyond the Basics

#webdev #writing #productivity #beginners
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3 min read
Password Entropy: The Math Behind Why 'Password123' Is Weak
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Password Entropy: The Math Behind Why 'Password123' Is Weak

#security #webdev #beginners #programming
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4 min read
JSON Best Practices: Formatting, Naming Conventions, and Common Mistakes
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JSON Best Practices: Formatting, Naming Conventions, and Common Mistakes

#webdev #api #javascript #beginners
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3 min read
How to Parse URLs in JavaScript: The URL API vs Manual Parsing
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How to Parse URLs in JavaScript: The URL API vs Manual Parsing

#javascript #webdev #beginners #programming
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3 min read
How Text Diff Works: The Myers Algorithm Explained
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How Text Diff Works: The Myers Algorithm Explained

#programming #algorithms #webdev #beginners
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3 min read
How to Minify CSS: Tools, Techniques, and What Gets Removed
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How to Minify CSS: Tools, Techniques, and What Gets Removed

#css #webdev #performance #frontend
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3 min read
UUID Best Practices: v4, v7, and When You Should Use Each
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UUID Best Practices: v4, v7, and When You Should Use Each

#webdev #backend #database #beginners
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3 min read
How to Implement Dark Mode: A Complete CSS and JavaScript Guide
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How to Implement Dark Mode: A Complete CSS and JavaScript Guide

#css #javascript #webdev #frontend
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3 min read
Keyword Density in SEO: What It Actually Means (and When It Matters)
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Keyword Density in SEO: What It Actually Means (and When It Matters)

#webdev #seo #writing #beginners
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3 min read
QR Codes for Developers: How They Work and How to Generate Them
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QR Codes for Developers: How They Work and How to Generate Them

#webdev #javascript #beginners #productivity
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4 min read
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