34 free online tools

Everyday online tools.
One clean workspace.

Compress images, create QR codes, calculate payments, convert files and more. Fast, private and ready without signup.

Free to useNo signupRuns in your browser
Image toolsCalculatorsConvertersGeneratorsText toolsDeveloper tools
01 / ALL TOOLS

Choose your tool.

Every tool opens instantly and works without an account.

01Calculator

Break-even calculator

Find sales needed to cover costs and reach your profit target.

02Generator

QR code generator

Create a permanent QR code for any URL or text, then download it.

03Text

Font generator

Turn plain text into copy-ready Unicode font styles.

04Calculator

GPA calculator

Calculate a weighted GPA from grades and course credits.

05Generator

Password generator

Create strong random passwords with precise controls.

06Image

Image compressor

Reduce JPG, PNG and WebP size without uploading your file.

07Image

Image resizer

Resize JPG, PNG and WebP to exact pixel dimensions privately.

08Image

Meme generator

Add bold captions to your image and download the result.

09Calculator

Celsius to Fahrenheit

Convert temperatures instantly in either direction.

10Image

Image converter

Convert JPG, PNG and WebP images directly in your browser.

11Developer

JSON formatter

Format, validate, minify and copy JSON data instantly.

12Text

Word counter

Count words, characters and estimated reading time live.

13Calculator

Mortgage calculator

Estimate monthly payments, total cost and lifetime interest.

14Calculator

Calorie calculator

Estimate daily calories from your age, body and activity level.

15Calculator

Currency converter

Convert major world currencies using current reference rates.

16Calculator

Paycheck calculator

Estimate gross and take-home pay for each pay period.

17Generator

Invoice generator

Create a clean itemized invoice and save or print it as PDF.

18Calculator

Margin calculator

Calculate profit, margin and markup from revenue and cost.

19Calculator

Percentage calculator

Solve percentages, ratios and percentage change instantly.

20Calculator

Salary to hourly

Convert annual salary into hourly, weekly and monthly pay.

21Generator

Color palette generator

Generate balanced color sets and copy their HEX codes.

22Calculator

Age calculator

Calculate exact age, total days and the next birthday.

23Calculator

BMI calculator

Calculate adult BMI in metric or imperial units.

24Calculator

Grade calculator

Convert points into percentages and letter grades.

25Generator

Random number generator

Generate secure random numbers in any custom range.

26Text

Case converter

Change text to uppercase, title case, camelCase and more.

27Calculator

Loan calculator

Estimate monthly payments, total interest and total repayment.

28Calculator

Compound interest

Project investment growth with deposits and compound returns.

29Calculator

Tip calculator

Split a bill and tip fairly between any number of people.

30Calculator

Date difference

Count the exact days and weeks between two dates.

31Calculator

Unit converter

Convert common length, weight and volume measurements.

32Calculator

Time zone converter

Convert between city times with daylight saving applied.

33Developer

UUID generator

Create secure UUID v4 identifiers instantly in your browser.

34Developer

Base64 encoder

Encode text to Base64 or decode Base64 back to text.

02 / WHY ORENVU

Less software.
More done.

01

Instant by design

Open a tool and start. No complicated setup between you and the result.

02

Your files stay yours

Private, focused workflows with clear controls and no hidden surprises.

03

One calm workspace

A consistent interface across every tool, so nothing needs relearning.