UTL.tools
Free Online Utilities & Digital Toolbox
Simple tools that solve everyday problems. Instant, client-side, zero subscriptions, and 100% private.
What are you trying to do?
Calculate something
Compound interest, percentages, loan payments, BMI
Convert something
Metric to imperial, text casing, color codes, base64
Create something
Secure passwords, QR codes, UUIDs, dummy text
Check my device
Screen resolution, browser diagnostics, hardware specs
Work with text
Side-by-side diff checking, markdown preview, word counts
Work with files
Convert CSV to JSON arrays, validate structured data
Make a decision
Random item picker, wheel of fortune, dice rollers
Understand my internet
Public IP address, latency ping, DNS diagnostics
Prepare for school
Scientific calculator, GPA, unit conversions
Run my business
Professional invoices, HTML email signatures, ROI calculations
Looking for a Windows widget or desktop tool?
Explore curated Windows 11 widgets, net speed meters, HWiNFO tray gauges, and DevToys.
Utility Categories
Fun & Decision
Random generators, pickers, decision makers, and games of chance.
Internet & Network
IP lookup, DNS diagnostics, browser inspection, and connectivity tools.
Developer Tools
Formatters, encoders, parsers, validators, and code utility essentials.
Business & Office
Invoicing, signatures, QR codes, and entrepreneurial generators.
Finance & Math
Interest, loans, percentages, discounts, and money calculations.
Health & Daily Life
Body metrics, age calculations, hydration trackers, and wellness tools.
Education & Writing
Word counting, reading time, GPA calculations, and academic tools.
Creative & Design
Color spaces, aspect ratios, image helpers, and visual utilities.
AI & Prompting
Token counters, prompt formatters, text cleaners, and AI assistance utilities.
Hardware & Systems
GPU memory calculators, PC building estimators, monitor PPI tools, and display geometry.
Popular Utilities
What is My IP Address?
Instantly check your public IPv4 and IPv6 address, internet service provider (ISP), location, and connection details.
Recently Added Utilities
The UTL.tools Philosophy
The web is overcrowded with bloated websites that force account creation, load intrusive tracking ads, or break after a few months. UTL.tools is built differently:
No gimmicks or unnecessary visual excess. Focused purely on solving repetitive everyday tasks immediately.
Your input is processed locally in your browser and is not sent to UTL servers. If servers go offline, tools still work.
Your passwords, financial calculations, and JSON payloads are never logged or sent to any database.