Every tool you need,
in one place
Fast, free online utilities for PDFs, images, calculators, text and everyday tasks — all in your browser.
Popular tools
The ones people use most.
- Merge PDFCombine multiple PDFs into one file.
- Image to PDFTurn images into a PDF file.
- Image CompressorCompress JPG, PNG and WebP images.
- Background RemoverRemove image backgrounds in seconds.
- Age CalculatorCalculate exact age from a birthdate.
- Word CounterCount words, sentences and paragraphs.
- Lorem Ipsum GeneratorGenerate placeholder text in seconds.
- Markdown ↔ HTMLConvert between Markdown and HTML.
- BMI CalculatorBody Mass Index in metric or imperial.
- Loan / EMI CalculatorMonthly payment, total interest and cost.
- QR Code GeneratorGenerate QR codes for any text or URL.
- Password GeneratorCreate strong, random passwords.
- JSON FormatterFormat, validate and minify JSON.
- Unix Timestamp ConverterConvert between epoch time and dates.
Merge, split, compress and convert PDF files.
Image
Compress, resize, crop and convert images.
Calculators
Everyday math made simple.
- Age CalculatorCalculate exact age from a birthdate.
- Percentage CalculatorPercentages, increases and decreases.
- Discount CalculatorWork out sale prices and savings.
- Date CalculatorDays between dates or add days.
- Tip CalculatorSplit bills and calculate tips.
- BMI CalculatorBody Mass Index in metric or imperial.
- Loan / EMI CalculatorMonthly payment, total interest and cost.
Text
Count, clean and transform text.
- Word CounterCount words, sentences and paragraphs.
- Character CounterCount characters with and without spaces.
- Case ConverterChange text case instantly.
- Remove Extra SpacesClean up whitespace in text.
- Lorem Ipsum GeneratorGenerate placeholder text in seconds.
- Text Diff CheckerCompare two texts side by side.
- Markdown ↔ HTMLConvert between Markdown and HTML.
Utilities
QR codes, passwords, units and more.
- QR Code GeneratorGenerate QR codes for any text or URL.
- Password GeneratorCreate strong, random passwords.
- Password Strength CheckerTest how strong a password is.
- Unit ConverterConvert length, weight, temperature and more.
- Currency ConverterConvert between world currencies.
- JSON FormatterFormat, validate and minify JSON.
- Base64 Encoder / DecoderEncode and decode Base64 strings.
- URL Encoder / DecoderEncode and decode URL strings.
- Color ConverterConvert between HEX, RGB and HSL.
- Unix Timestamp ConverterConvert between epoch time and dates.
- Regex TesterTest regular expressions with live matches.
Free online tools that respect your time and your data
UltraTools is a growing collection of free online utilities for the everyday tasks that used to need a bloated app or a paid website. Merge and compress PDF files, resize and convert images, format and validate JSON, generate QR codes and strong passwords, count words, check regex, calculate BMI or a loan EMI — all in one place, all free, no account required.
Every tool runs directly in your browser. Your files, text and passwords never touch our servers — which means faster results, better privacy, and tools that keep working even on a slow connection.
Popular categories
- PDF tools — merge, split, compress and convert PDFs to Word or images.
- Image tools — compressor, resizer, crop, background remover, WebP / JPG / PNG conversion.
- Text tools — word counter, case converter, Markdown ↔ HTML, text diff, lorem ipsum.
- Calculators — age, percentage, discount, tip, BMI and loan EMI calculators.
- Developer utilities — JSON formatter, Base64, URL encoder, color converter, regex tester, Unix timestamp.
- Everyday utilities — QR generator, password generator & strength checker, unit and currency converter.
Why people use UltraTools
- ✓ 100% free, unlimited use, no watermarks.
- ✓ No sign-up, no email, no software to install.
- ✓ Private by default — files never leave your device.
- ✓ Works on desktop, tablet and mobile.
- ✓ Fast: most tools finish in under a second.