Free Web Utilities
Browser utilities for QR codes, campaign URLs, favicons, timestamps, passwords and image aspect ratios.
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QR Code Generator
Create QR codes from text or URLs.
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Favicon Generator
Create 32×32 and 180×180 favicon PNGs.
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UTM Builder
Build campaign tracking URLs.
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Timestamp Converter
Convert Unix timestamps and dates.
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Password Generator
Generate strong random passwords locally using browser cryptography.
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Aspect Ratio Calculator
Calculate a matching width or height for any ratio.
Focused browser utilities
Choose one task at a time. For image sizing help, start with the Aspect Ratio Calculator, then read the practical aspect ratio guide.