Free online utility tools that help you work faster, all in one place.

Free online tools created by Smart Utility Lab assist individuals with their everyday utility tasks. Each tool is crafted to be easy to use, quick, and reliable, offering features such as a word counter, JSON formatter, financial calculators, and other developer tools. The Smart Utility Lab is a fully responsive platform that supports developers and students in enhancing their productivity on all types of devices.

Included tool clusters

  • Text & Developer Tools
  • PDF & Document Tools
  • Financial Calculators
  • Everyday Calculators
  • Education Tools
  • Web & Design Tools

Text & Developer Tools

Popular for coding, debugging, content cleaning, and everyday editing.

JSON Formatter

Clean and structure JSON for debugging and APIs.

Open tool

Base64 Encoder

Encode text or data into Base64 quickly.

Open tool

URL Encoder

Encode special characters for safe URLs and query strings.

Open tool

Regex Tester

Test patterns and view instant matches.

Open tool

Password Generator

Create strong passwords with customizable rules.

Open tool

Case Converter

Switch text between uppercase, lowercase, and title case.

Open tool

PDF & Document Tools

Useful for writing, editing, studying, and content planning.

Word Counter

Count words and measure content length instantly.

Open tool

Character Counter

Track character counts for essays, captions, and social content.

Open tool

Reading Time Calculator

Estimate reading duration from word count.

Open tool

Markdown Preview

Preview markdown formatting in a clean layout.

Open tool

CSV to JSON

Convert tabular data into JSON quickly.

Open tool

XML Formatter

Pretty-print and structure XML content.

Open tool

Financial Calculators

High-intent calculators with strong search and ad potential.

EMI Calculator

Estimate monthly loan repayments.

Open tool

Compound Interest Calculator

Project the growth of investments over time.

Open tool

SIP Calculator

Estimate wealth growth from recurring investments.

Open tool

Salary Calculator

Understand take-home pay after deductions.

Open tool

Simple Interest Calculator

Calculate interest over a fixed period.

Open tool

Profit Margin Calculator

Measure profitability from sales and costs.

Open tool