Free Online Tools for Everyday Work
Get everyday digital tasks done with fast, simple online tools for PDFs, images, developers, calculators, finance, text and more.
What do you need to do?
- Free tools
- 103+
- Privacy
- Local-first
- Sign-ups
- 0
- Ready
- Offline
JSON Formatter
Validate · Format · Minify — instantly
{
"name": "rovotools",
"private": true,
"tools": 103+
}
Password Gen
Tr7$kQ!9mZ#2x
Very strong
QR Generator
Scan-ready · offline
Hand-picked
Featured tools essentials
Hand-picked essentials, ready in one tap.
JSON Formatter
Pretty-print and validate JSON with clear error messages.
Unit Converter
Convert length, weight and temperature between metric and imperial units.
URL QR Generator
Build a clean URL payload for QR codes, generated locally and ready to encode.
Tax Calculator (GST / VAT)
Add or remove sales tax worldwide — US states, Canadian provinces, EU/UK VAT, GST and more. Pick a region — the standard rate fills in and stays editable — or stack your own rows with +. Shows the CGST/SGST split for India.
Color Palette Generator
Generate harmonious color palettes — complementary, analogous, triadic or surprise me.
Merge PDF
Combine 2-20 PDF files into one document in your chosen order — all on your device.
13 categories
Browse Categories for everything
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Most used
Popular Online Tools
The most-used tools for images, PDFs, developers, calculators, text and security — ready in one tap.
BMI Calculator
Calculate body mass index from weight and height.
Age Calculator
Calculate exact age in years, months, and days.
Loan Calculator
Estimate monthly loan payments, total payable and total interest.
Password Generator
Create strong random passwords locally. Nothing is stored or sent anywhere.
Word Counter
Count words, characters, lines, sentences and paragraphs in any text.
Word Unscrambler
Unscramble letters into every valid word with Scrabble and Words With Friends scores — all on your device.
Color Picker
Pick any color and get its HEX, RGB and HSL codes plus tints, shades and its complement.
Image Compressor
Shrink JPG, PNG and WebP by quality or to an exact target size in KB — batch supported, all on your device.
PDF Creator
Create a multi-page PDF from text with a title and formatting — free, no signup, runs anywhere.
Why RovoTools?
Fast
Tools designed for quick results. Most run instantly on your own device.
Private
Client-side processing whenever technically possible. Your files and data are processed directly in your browser.
Free
No unnecessary signup or API keys. Every tool is free to use.
Simple
Focused interfaces without unnecessary complexity.
Frequently asked questions
Do the tools work offline?
Yes. Tools marked offline-ready run entirely on your device.
Is my data uploaded anywhere?
No. Local calculations never leave your device, and no account is needed.
Are the tools free?
Yes. Every tool is free to use on web, PWA, Android, and iOS.
Private by design
103+ tools. Zero sign-up.
Convert, compress, generate and calculate — most tools run entirely in your browser.
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