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Igor Ilic
String manipulation techniques every developer should know
From case conversion to regex, string manipulation is something you do every day. Here are the most useful techniques and the tools that make them instant.
Blog
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Igor Ilic
Text diff and comparison tools every developer should know
Comparing two pieces of text is a daily task for developers. From code reviews to config debugging, here is how diff tools make it easier.
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Igor Ilic
The developer's guide to URL encoding and decoding
URL encoding ensures data travels safely in URLs. Learn how it works, common pitfalls, and why every web developer needs to understand percent-encoding.
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Igor Ilic
UUID generation: understanding UUID versions and when to use each
Not all UUIDs are the same. Version 4 is popular, but v7 offers time-sortable IDs that play better with databases. Here is what you need to know.
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Igor Ilic
How to generate secure passwords and hashes online
Not all hash functions are created equal. Compare MD5 with bcrypt and Argon2id, learn best practices, and try our online password generator.
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Igor Ilic
JSON vs XML vs YAML: choosing the right data format
Three formats, three philosophies. Compare JSON, XML, and YAML to pick the right one for your API, config file, or data storage needs.
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Igor Ilic
HMAC generation explained with practical examples
Hash-based message authentication codes protect API communication. Learn how HMAC works, when to use it, and how to generate one online.
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Igor Ilic
Color conversion guide: HEX, RGB, HSL, and CMYK explained
Different contexts need different color formats. Here is when to use HEX, RGB, HSL, and CMYK, plus how to convert between them online.
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Igor Ilic
Understanding Base64 encoding: a developer's handbook
Base64 is everywhere in web development. Here is how it works, when to use it, common mistakes, and how to encode and decode it online.
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Igor Ilic
CSS minification: why and how to minify your stylesheets
Every byte counts on the web. CSS minification removes unnecessary characters without changing how your styles behave.