The TinyTool Blog
Tips, deep dives, and technical guides on getting the most out of your favorite local-first online tools.
Regex for Beginners: A Practical Guide with Real Examples
Regular expressions look intimidating, but they don't have to be. Learn the most useful regex patterns — from matching emails to extracting numbers — with plain-English explanations and a free browser-based tester.
How to Create Professional Invoices for Free (No Software Needed)
You don't need QuickBooks or paid templates to send polished invoices. Learn what every invoice must include, common mistakes that delay payment, and how to generate PDF invoices instantly in your browser.
How to Calculate Profit Margin for Your Small Business
Understanding your numbers is the key to a sustainable business. Learn how to calculate gross and net profit margins, why they matter, and how to use them to price your products correctly.
How to Convert Timezones for Your Remote Team (Without the Headache)
Coordinating across timezones is one of the biggest challenges of remote work. Learn practical strategies for managing global schedules, common pitfalls to avoid, and how to use a timezone converter effectively.
8 Smart Ways to Use QR Codes (WiFi, Business Cards & More)
QR codes aren't just for restaurant menus. From sharing WiFi passwords instantly to embedding contact cards, here are eight practical uses — with free tools to create them.
Your Complete Guide to Free Online Image Tools
Compress, resize, convert formats, remove backgrounds, and extract color palettes — six free browser-based tools that cover every image task, without uploading a single file.
Strong Passwords in 2026: What Actually Matters
Length beats complexity, passphrases beat random strings, and password managers beat memory. A practical guide to password security — plus how client-side generation keeps you safe.
How does TinyTool compare?
See how we stack up against popular alternatives — no sign-up, no uploads, always free.
TinyPNG is a popular online image compression service that uploads your files to its servers for processing.
Smallpdf is a popular online PDF platform that processes files on its servers and offers a freemium model.
iLoveIMG is a popular online image editing platform that uploads your files to its servers for processing, with a freemium model and daily usage limits.
iLovePDF is a widely used online PDF platform that processes documents on its servers, offering a broad suite of PDF tools under a freemium model.
OpenGraph.xyz is a dedicated Open Graph preview tool that fetches URLs and shows how they appear when shared on social media.
Convertio is a popular cloud-based file converter that supports over 300 formats including documents, images, audio, video, and ebooks — but processes every file on its servers.
Squoosh is an open-source image compression app built by Google Chrome Labs that runs entirely in the browser using WebAssembly codecs.
CloudConvert is a cloud-based file conversion service supporting 200+ formats including images, audio, video, documents, and ebooks — with a free tier of 25 conversion minutes per day.
QRCode Monkey is a popular QR code generator known for deep design customization — custom colors, gradients, logo embedding, and custom dot and eye shapes — with high-res PNG and SVG export.
Remove.bg is a dedicated AI background removal tool that processes images on its servers and offers a freemium model with resolution limits on free downloads.
JWT.io is Auth0's dedicated JSON Web Token debugger and decoder — the go-to tool for inspecting, verifying, and understanding JWTs.
Regex101 is the most popular online regex tester and debugger, offering real-time matching, detailed explanations, and support for multiple regex flavors.
PDF24 is a popular free PDF platform from Geek Software GmbH, offering 30+ PDF tools with both an online web app and a Windows desktop application.
LastPass Password Generator is a free online tool from the popular password manager that generates random passwords with customizable length and character options.