Developer Tools7
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back, in seconds or milliseconds, with day of week, ISO 8601 format, and relative time shown instantly.
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QR Code Generator
Turn any URL, message, or piece of text into a scannable QR code image you can download and share.
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Password Strength Checker
Estimate your password's entropy, see which security criteria it meets, and find out how long it would take to crack under different attack scenarios.
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Cron Expression Calculator
Decode a cron schedule into plain English and see the exact upcoming run times in your timezone.
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Base64 Encoder/Decoder
Convert text to Base64 and Base64 to text. Useful for encoding and decoding data in web development.
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curl Command Generator
Input API specs and generate curl command.
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Javascript Big O Notation Analyzer
Online Javascript analyzer to determing Big O time complexity
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