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.
Read morePractical guides, developer tips, and updates from UtilDaily.
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.
Read moreDiscover 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.
Read moreStep-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.
Read moreSee exactly where your mortgage payment goes each month — and how a tiny extra payment cuts $30K+ off a 30-year loan. Plus 15 vs 30-year comparison and free amortization calculator.
Read more2026 sales tax rates for all 50 states ranked highest to lowest. See which 5 states have NO sales tax, which hit 10%+, and calculate any purchase total instantly with our free tool.
Read moreComplete 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.
Read moreCompare the best free online financial calculators for 2026 — paycheck, loan, compound interest, sales tax, and more. Browser-based, no data uploaded.
Read moreDiscover how random number generators work — pseudo-random, true-random, and cryptographically secure. Includes a free random number generator tool.
Read moreLearn 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.
Read more150+ unique username ideas for gaming, TikTok, Discord, Instagram & more. Aesthetic, cool, funny, and unused options — plus a free generator to find yours in seconds.
Read moreCalculate the exact number of days between any two dates — including leap years, business days, and time zones. Free online calculator, no sign-up.
Read moreA 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.
Read more