Guías
Guías prácticas de TriVisionTech
Guías prácticas sobre los temas en los que nuestras apps y herramientas gratis ayudan: imágenes, contraseñas, accesibilidad, dinero y documentos. Sin rodeos, y cada guía enlaza a una herramienta que puedes usar de inmediato.
How to Check Colour Contrast for Accessibility (WCAG Explained)
What the AA and AAA contrast levels mean, how the contrast ratio is measured, and how to fix a colour pair that fails – without redesigning everything.
Leer la guía →Compound Interest Explained: How Small Monthly Savings Grow
The difference between simple and compound interest, why time matters more than the rate, and how a modest monthly habit turns into a large number.
Leer la guía →How to Compress Images Without Losing Quality
A practical guide to shrinking photos for the web and email: resize first, pick the right format, and find the quality sweet spot – without visible loss.
Leer la guía →How to Create a Strong Password You Can Actually Remember
Length beats complexity. Here is how to build passwords that are genuinely hard to crack, why a passphrase is easier to live with, and the mistakes to avoid.
Leer la guía →How to Scan Documents With Your Phone (and Get a Clean PDF)
Get flat, readable, properly cropped scans from a phone camera: lighting, background, colour mode, multi-page PDFs, and making the text searchable.
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