49 Free Online Tools Every Professional Should Bookmark (2026)

We built a suite of 49 free online tools for one reason: most "free" tools online aren't — they gate the result behind a signup, an email, or a watermark. Ours don't. Every tool below runs entirely in your browser, which means your data never touches a server. Bookmark the ones you need.

Want the full grid? It lives at workaholicdevelopers.com/tools. Here are the highlights by job-to-be-done.

💰 Money & finance calculators

• EMI Calculator — loan EMIs with full amortisation breakdown.
• SIP Calculator — project mutual-fund SIP returns.
• Compound Interest — see the snowball effect over time.
• Income Tax (India) and Income Tax (Canada) — quick liability estimates.
• ROI Calculator and GST Calculator for business math.

🔄 Converters

• Unit Converter — length, weight, temperature and more.
• Currency Converter and Color Converter (HEX/RGB/HSL).
• Image Resizer & Compressor — resize and compress without uploading.
• PDF Tools — merge and manage PDFs in-browser.

⚙️ Generators

• Password Generator and UUID Generator.
• QR Code Generator and Barcode Generator.
• Invoice Generator and Resume Builder — professional documents in minutes.

📝 Text & SEO utilities

• Word Counter — words, characters, reading time.
• Keyword Density and Meta Tag Generator for on-page SEO.
• JSON Formatter, Text Diff and Case Converter for developers and writers.

🍁 Canada immigration tools

A full set for anyone planning a move to Canada: the CRS Score Calculator, IELTS Band Calculator, PNP Finder, NOC Finder, Proof of Funds and the live Express Entry Draws tracker.

Why are they free?

These tools are how we show what we build. We are a software studio — see what we can do — and these utilities are a live portfolio you can actually use. No catch, no account. If you ever need something custom built, get in touch.