7 min read
Base64 Encoding Explained: How It Works + Free Tool
Learn how Base64 encoding works, when to use it, and common pitfalls to avoid. Includes a free browser-based encoder/decoder — no sign-up required.
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Practical guides, developer tips, and updates from UtilDaily.
5 min read
UtilDaily: 90+ Free Browser-Based Tools for Developers, Creators & Everyone
Discover UtilDaily — a growing collection of 90+ free, privacy-first online tools. From JSON formatting to calorie calculators, everything runs in your browser with zero data uploads.
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How to Calculate Your Take-Home Pay: A Complete Paycheck Guide
Step-by-step guide to calculating your net pay from gross pay — covering federal income tax brackets, FICA taxes, pre-tax deductions, and a full worked example for a $55,000 salary.
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Loan Amortization Explained: How Your Monthly Payment Is Calculated
Understand loan amortization — the math behind your monthly payment, why you pay mostly interest at first, how extra payments save thousands, and a 15-year vs. 30-year mortgage comparison.
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Sales Tax by State 2026: All 50 States + Free Calculator
Find 2026 sales tax rates for all 50 US states — including zero-tax states, highest combined rates, and local tax stacking. Use our free sales tax calculator for exact results.
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How to Write a Check: Step-by-Step Guide with Number to Words Examples
Complete guide to writing checks correctly — the six fields explained, how to write dollar amounts in words, a table of 50 common amounts, security tips, and how to void a check.
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Best Free Financial Calculators 2026: Top Online Tools
Compare the best free online financial calculators for 2026 — paycheck, loan, compound interest, sales tax, and more. Browser-based, no data uploaded.
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How Random Number Generators Work: PRNGs vs True Random
Discover how random number generators work — pseudo-random, true-random, and cryptographically secure. Includes a free random number generator tool.
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Barcode Types Explained: QR, Code 128, EAN & UPC Guide
Learn when to use Code 128, QR, EAN, UPC, and other barcode types. Covers every major format with real-world examples and a free barcode generator.
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150+ Creative Username Ideas for Gaming, Social Media & More
Need a unique username? Get 150+ creative username ideas for gaming, social media, and work — plus tips on how to craft a memorable handle in minutes.
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Days Between Dates Calculator — Free & Easy Guide
Calculate the exact number of days between any two dates — including leap years, business days, and time zones. Free online calculator, no sign-up.
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Random Word Generator: The Best Tool for Writers, Teachers, and Game Designers
A random word generator is more versatile than you might think. From beating writer's block to building D&D worlds, creating secure passphrases, and running classroom games — here's everything you can do with one.
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