Practical guides for free online tools. 325 articles — page 8 of 28.
A car loan at 6% for 5 years, a personal loan at 12% for 3 years, and a home loan at 7% for 20 years. The EMI calculator gives you the monthly payment. The strategy tells you which loan to choose.
You have 500 blog posts in WordPress HTML. You want to migrate to a static site generator that uses Markdown. An HTML to Markdown converter handles the bulk conversion. Here's the migration workflow.
Your bed is 10 feet from your desk. The refrigerator is 20 feet. The boundary between work and life has collapsed. Here are the life hacks that actually help remote workers stay productive and sane.
A barcode identifies a product for a scanner. An MD5 hash verifies a file hasn't been corrupted. Both encode data. Both produce strings. But the purposes, algorithms, and use cases are unrelated.
You encode an image to Base64 for transmission, then decode it back to an image. The round trip is lossless for the image data — but the file size grows by 33%. Here's what happens at each step.
In 1969, ARPANET had 4 nodes — all in the US. Today, there are billions of IP addresses distributed across every country. IP lookup tells you where any of them is. Here's the 50-year history.
The mortgage calculator says $1,800/month. Your actual payment will be $2,400. Here's what the calculator leaves out — and how to estimate the real number before you make an offer.
Your build tool can minify CSS automatically. But for one-off files, debugging, or legacy projects without a build step, an online CSS minifier is faster. Here's when to use each.
Base64 turns binary data into text — making images embeddable in HTML, files transmittable in JSON, and data copyable as plain text. Here's how encoding works, when to use it, and why it costs you 33% extra size.
One converts images to text for embedding. The other converts text back to images for viewing. They are mathematical inverses — and confusing them turns your image into gibberish text or your text into a broken image.
Word counter analyzes a single text — words, characters, readability. Text diff compares two texts — additions, deletions, modifications. Both work on text. Both produce insights. But the insights are unrelated.
The oldest dice were found in a 5,000-year-old Mesopotamian tomb. Today, quantum random number generators use subatomic particles to produce true randomness. Here's the 5,000-year quest to be unpredictable.