Guides & Tutorials
Learn Base64, JSON, regex, GST calculations, APIs, productivity workflows, developer utilities and more with practical tutorials written for real-world use.
Featured Tutorials
Popular guides developers and creators love reading.
How to Convert Base64 to Excel Files Online
Learn how to decode Base64 strings into Excel .xlsx files using online tools, JavaScript, Python, Node.js and browser Blob downloads with practical examples.
How to Calculate GST in India — Add & Remove GST Formula Guide
Learn how to calculate GST in India with simple formulas, reverse GST calculations, CGST vs SGST vs IGST breakdowns, and worked examples for inclusive and exclusive pricing.
Invisible Characters: The Complete Guide to Zero-Width Spaces, Blank Unicode & Hidden Text
Learn everything about invisible Unicode characters including Zero Width Space, Hangul Filler, blank text tricks, hidden Unicode, Discord invisible names, WhatsApp blank messages, and how invisible characters work technically.
How to Format JSON Online — Beautify, Validate & Minify JSON Easily
Learn how to format JSON online using a JSON beautifier and validator. Discover JSON pretty print formatting, minifying JSON, fixing invalid syntax, indentation styles, and best practices for developers and APIs.
Regex Find and Replace Guide — Search, Replace & Transform Text with Regular Expressions
Learn how to use regex find and replace with practical examples, capture groups, backreferences, multiline matching, and advanced text transformations for JavaScript, Python, VS Code, and more.
How to Extract URLs from Text — Regex Patterns, JavaScript, Python & Practical Examples
Learn how to extract URLs from text using regex with practical examples for JavaScript, Python, PHP, VS Code, logs, CSV files, HTML content, and messy user input. Includes URL validation, edge cases, and best practices.
What Is a UUID? How to Generate it? Complete Guide to UUID v1, v4, v5, GUIDs & Unique Identifier Generation
Learn what UUIDs are, how UUID v1, v4, v5, and nil UUIDs work, and how to generate UUIDs in JavaScript, Python, Java, Go, and databases. Covers UUID structure, validation, security, GUIDs, and best practices.
How to Calculate Your Mortgage Payment: Complete Guide to Mortgage Formulas, Amortization, PMI & Home Loan Costs
Learn how mortgage payments are calculated using the amortization formula. Understand principal, interest, PMI, property taxes, insurance, amortization schedules, extra payments, fixed vs adjustable rates, and how to reduce the total cost of your home loan.
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Our articles cover six core areas — from beginner-friendly explainers to advanced developer references.
Developer Guides
Deep dives into JSON, Base64, JWT, regex, SQL, and APIs with real-world code examples.
Text & Formatting
How-to guides for text manipulation, case conversion, encoding, and cleaning messy data.
Finance & Calculators
Tutorials on GST, EMI, mortgage calculations and how to use our finance tools effectively.
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Practical guides on encryption, hashing, AES-256, and keeping your data safe in the browser.
Productivity
Workflow tips, tool combinations, and time-saving techniques for developers, writers, and creators.
Beginners & Basics
Clear, jargon-free explanations of technical concepts — perfect if you're just getting started.
📚 All Articles (8)
How to Convert Base64 to Excel Files Online
Learn how to decode Base64 strings into Excel .xlsx files using online tools, JavaScript, Python, Node.js and browser Blob downloads with practical examples.
How to Calculate GST in India — Add & Remove GST Formula Guide
Learn how to calculate GST in India with simple formulas, reverse GST calculations, CGST vs SGST vs IGST breakdowns, and worked examples for inclusive and exclusive pricing.
Invisible Characters: The Complete Guide to Zero-Width Spaces, Blank Unicode & Hidden Text
Learn everything about invisible Unicode characters including Zero Width Space, Hangul Filler, blank text tricks, hidden Unicode, Discord invisible names, WhatsApp blank messages, and how invisible characters work technically.
How to Format JSON Online — Beautify, Validate & Minify JSON Easily
Learn how to format JSON online using a JSON beautifier and validator. Discover JSON pretty print formatting, minifying JSON, fixing invalid syntax, indentation styles, and best practices for developers and APIs.
Regex Find and Replace Guide — Search, Replace & Transform Text with Regular Expressions
Learn how to use regex find and replace with practical examples, capture groups, backreferences, multiline matching, and advanced text transformations for JavaScript, Python, VS Code, and more.
How to Extract URLs from Text — Regex Patterns, JavaScript, Python & Practical Examples
Learn how to extract URLs from text using regex with practical examples for JavaScript, Python, PHP, VS Code, logs, CSV files, HTML content, and messy user input. Includes URL validation, edge cases, and best practices.
What Is a UUID? How to Generate it? Complete Guide to UUID v1, v4, v5, GUIDs & Unique Identifier Generation
Learn what UUIDs are, how UUID v1, v4, v5, and nil UUIDs work, and how to generate UUIDs in JavaScript, Python, Java, Go, and databases. Covers UUID structure, validation, security, GUIDs, and best practices.
How to Calculate Your Mortgage Payment: Complete Guide to Mortgage Formulas, Amortization, PMI & Home Loan Costs
Learn how mortgage payments are calculated using the amortization formula. Understand principal, interest, PMI, property taxes, insurance, amortization schedules, extra payments, fixed vs adjustable rates, and how to reduce the total cost of your home loan.
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Whether you're learning what Base64 is for the first time or optimizing a regex pattern, we have articles written for your level.
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🗺️ Suggested Reading Order
New here? Start with these three areas to get the most out of QuickTextTools.
Start with Text Basics
Beginner FriendlyRead our guides on word counting, case conversion, and text cleaning. These tools are used daily by writers and developers alike and our articles explain every option in plain English.
Move into Encoding & Data
IntermediateOnce you're comfortable with text tools, explore our Base64, JSON, and CSV articles. We explain what these formats are, when to use them, and how to convert between them without writing a single line of code.
Level Up with Developer Tools
AdvancedReady to go deeper? Our advanced tutorials cover JWT decoding, regex patterns, AES encryption, SQL generation, and cron expressions — complete with examples and gotchas to watch out for.
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