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Calculate inflation between any two years from 1913 to 2025 using US CPI-U data. See buying-power loss and equivalent amounts instantly in your browser.
Discover Image Diff — Pixel Compare. Compare two images, highlight pixel changes, adjust sensitivity, and export PNGs securely in your browser today.
Inspect any file as a classic hex dump right in your browser. View byte offsets, hex values, and ASCII sidebar. Try the free Hex File Viewer now.
Decode hex-encoded strings back to readable text with automatic UTF-16BE, UTF-16LE, and UTF-8 detection. Fast, RTL-aware, and runs in your browser.
Tune your guitar, bass, or ukulele instantly with our free online guitar tuner. Real-time microphone pitch detection, cents meter, and presets.
Estimate trip fuel consumption and total cost instantly. Calculate gas expenses in metric or imperial units, split costs, and plan road trips securely.
Find out what score you need on your final exam to hit your target grade instantly. Free browser-based final grade calculator tool by Toolsy.
Calculate sale prices, savings, stacked double discounts, and sales tax instantly with our free online discount calculator tool. Try it now!
Calculate CSS specificity scores (A, B, C) instantly. Compare selector weights, debug CSS cascade issues, and handle :is() and :not() rules securely.
Validate credit card numbers instantly using the Luhn algorithm, detect card networks, and generate test numbers securely in your browser.
