Blog
Step-by-step guides and comparisons to help you get the most from our free tools.
What you'll find here
Welcome to the ToolCubby blog. Each post breaks down a common task — working out an EMI, calculating a percentage, converting an image, cleaning up text or building a clean URL — into clear, actionable steps that use our free, browser-based tools. No jargon, no signup, and every guide pairs a short explanation with a real example you can follow along with.
Posts are grouped by the same categories as the site (calculators, image tools, text tools and URL tools), and each one links to the matching tool so you can put the guide into practice straight away. If there's a topic you'd like us to cover, let us know via the contact page.
- How to Calculate EMIEMI formula, example & what affects it.
- How to Calculate PercentageFormula, change & percent of a number.
- How to Calculate AgeYears, months & days from your DOB.
- How to Convert HEIC to JPGOpen iPhone photos anywhere.
- How to Compress an ImageShrink file size without losing quality.
- How to Convert WebP to PNGWebP vs PNG and how to switch.
- How to Sort Lines AlphabeticallyA-Z and Z-A, plus dedupe.
- How to URL EncodePercent-encoding guide.
- How to Create a URL SlugSEO-friendly URL guide.
- How to Remove Duplicate LinesStep-by-step guide + free tool.
- 5 Best Free Duplicate Line RemoversRanked comparison.