5 Useful Online Tools You Probably Didn't Know About 🔨

Posted on August 22, 2025

The internet is a treasure trove of tools and services designed to save time, streamline tasks, and enhance productivity. While everyone knows about Google Docs and Zoom, there are countless lesser-known tools that can be surprisingly useful. Here are five of the most useful websites that you might not have heard of, but will want to bookmark immediately.

CamelCamelCamel — Track Amazon Price Drops

See historical price charts and set alerts so you only buy when the price is right. Perfect for timing big purchases without watching pages all day.

Ever hesitated to buy something on Amazon, only to see its price drop later? CamelCamelCamel is a free service that tracks the price history of products on Amazon and alerts you when there’s a deal.

You can see historical pricing charts and set up alerts for specific items. It’s perfect for savvy shoppers who want to make sure they’re getting the best deal without constantly checking manually.

Use case: You’ve had your eye on a new laptop, but don’t want to overpay. With CamelCamelCamel, you can set up email notifications for when the price drops to your target.

UMAP Airport Wi‑Fi — Find Airport Wi‑Fi Credentials Fast

Quickly locate network names, passwords, and tips for airports worldwide. Great for layovers when you need a connection ASAP.

Airport Wi-Fi can be frustrating—sometimes it’s slow, sometimes it’s paid, and sometimes you need a password you can’t find anywhere.

UMAP Airport Wi-Fi collects up-to-date Wi-Fi information for airports around the world. This includes the names of open networks, various passwords for protected networks, and where you'll find them all within the airport.

Use case: You’re transiting through a foreign airport and need a quick connection to check emails or call an Uber. UMAP saves the hassle.

TinyWow — Your Swiss Army Knife for File Tasks

Convert, compress, merge, or tweak files in your browser—no installs. From PDFs to images and videos, it’s a quick fix for everyday tasks.

TinyWow is an all-in-one online tool for managing files. Whether you need to convert PDFs, compress videos, resize images, or remove watermarks, TinyWow handles it—all in your browser, for free.

On top of that, the interface is simple, and unlike many converters online, TinyWow has no daily limits on tool use, and no locked features.

Use case: You need to compress a large PDF for emailing or convert a Word doc to PDF quickly. TinyWow makes it seamless.

LearnAnything — Visual Knowledge Maps for Learning

Interactive maps break big subjects into bite‑size paths so you can progress from fundamentals to advanced topics with confidence.

LearnAnything is an online repository of tools and documentation for learning almost anything you can imagine. From math to coding, just search the topic you want to learn, and you'll be met with a list of helpful resources, repositories and files for mastering that topic.

It’s especially helpful for students, autodidacts, or anyone trying to learn a new skill efficiently. All of the linked resources are unlimited and freely available for whenever you need them.

Use case: You want to learn web development. LearnAnything shows you the roadmap, from HTML basics to advanced JavaScript frameworks.

TempMail — Disposable Email Addresses

Create short‑lived inboxes to register or test services without handing over your main address. Keep spam out of your real inbox.

Sometimes you need to sign up for a website without giving away your personal email. TempMail generates temporary email addresses that can receive emails for a limited time.

It’s a lifesaver for avoiding spam, testing sign-ups, or accessing content behind a registration wall without signing up for an unwanted subscription.

Use case: You want to download an eBook that requires email registration but don’t want to flood your inbox with newsletters. TempMail does the trick.

These five online tools may not make headlines, but they can save you time, money, and frustration. Whether you’re a frequent traveler, a student, or just someone who likes efficiency, these gems are worth adding to your digital toolkit.