Free online tools that just work
Fast, private tools for everyday tasks, creators and developers. No sign-up. No uploads. Everything runs in your browser.
🧮 Everyday & Students
Word & Character Counter
Count words, characters, sentences & reading time.
Open tool →Case Converter
UPPERCASE, lowercase, Title Case, Sentence case & more.
Open tool →Age Calculator
Your exact age in years, months, weeks and days.
Open tool →Date Difference
Days, weeks and months between any two dates.
Open tool →Discount Calculator
Final price and savings after a percentage off.
Open tool →Percentage Calculator
X% of Y, percent of, increase/decrease.
Open tool →Tip Calculator
Tip amount and split the bill between people.
Open tool →Roman Numeral Converter
Convert numbers ↔ Roman numerals.
Open tool →Unit Converter
Length, weight, temperature, speed & volume.
Open tool →GST / VAT / Tax Calculator
Add or remove tax at any rate, any currency.
Open tool →Loan / EMI Calculator
Monthly payment, total interest & cost.
Open tool →📄 PDF Tools
🎨 Creators
💻 Developers
JSON Formatter
Format, validate and minify JSON instantly.
Open tool →Color Converter
Convert between HEX, RGB and HSL colors.
Open tool →Number Base Converter
Binary, octal, decimal & hex conversions.
Open tool →Unix Timestamp Converter
Epoch ↔ human date, local and UTC.
Open tool →Base64 Encode / Decode
Convert text to and from Base64.
Open tool →QR Code Generator
Make QR codes for links, text and Wi-Fi.
Open tool →Password Generator
Create strong, random, secure passwords.
Open tool →No tools match your search yet — more are on the way!
Why use ToolNestr?
ToolNestr brings together 26+ free online tools in one fast, clean place. Whether you’re a student, a creator or a developer, you’ll find calculators, converters, text helpers, PDF tools, image utilities and more — all built to do one job well.
Instant & free
Every tool is free, with no sign-up and no limits. Results appear instantly as you type.
Private by design
Most tools run entirely in your browser, so your files and text never leave your device.
Works everywhere
A mobile-first design that works smoothly on phones, tablets and computers alike.
All in one place
No more bookmarking ten different sites — your everyday tools live together here.
Frequently asked questions
Are these tools really free?
Yes. Every tool on ToolNestr is completely free to use, with no sign-up, no account and no limits.
Do I need to install anything?
No. All tools run right in your web browser on any device — phone, tablet or computer. There is nothing to download.
Are my files and text private?
Yes. Most tools (like the PDF, image, password and text tools) process everything directly in your browser, so your data never gets uploaded to a server.
Do the tools work on mobile?
Absolutely. The whole site is mobile-first and designed to work smoothly on phones and tablets as well as desktops.