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Guides

Practical articles that pair with every GenShelf tool — passwords, QR codes, usernames, palettes, UUIDs, hashtags, placeholder text, and test data.

• How to create a strong password (and remember it)

  Length, randomness, password managers, and what to avoid — practical advice you can apply today.

  9 min read

• QR codes explained: when to use them and how to make them scan

  What a QR code stores, print tips, logo placement, and common reasons scanners fail.

  10 min read

• How to choose a username that still feels like you

  Patterns that work across platforms, availability tips, and how to avoid lookalike traps.

  8 min read

• Color palette basics for readable UI and brand work

  Hue relationships, contrast, and a simple workflow for building palettes you can reuse.

  9 min read

• UUID v4 vs v7: which ID format should you use?

  Random vs time-ordered UUIDs, database indexing trade-offs, and when each version fits.

  8 min read

• Hashtag strategy that still works on Instagram, TikTok, and X

  Mix broad, niche, and branded tags, match platform norms, and avoid spammy sets.

  9 min read

• How to use lorem ipsum (and when English filler is better)

  Why designers use placeholder copy, Latin vs English filler, and habits that keep mockups honest.

  7 min read

• Fake names for demos and test data without looking fake

  Choose realistic placeholder names, avoid celebrity traps, and keep staging data safe.

  7 min read