Online tools

Free calculators and online utilities.

Use simple browser-based tools with no sign-up. Each page includes a working tool, examples, FAQs and related utilities.

Financial calculators

Simple calculators for percentages, interest and planning.

Financial calculators

Calculate compound interest with an initial amount, monthly contributions, rate and term.

Financial calculators

Calculate percentages, discounts, increases and percentage change quickly online.

Create QR codes, passwords and identifiers in the browser.

Useful generators

Create QR codes for links, text, email, phone, WhatsApp and Wi-Fi in your browser.

Useful generators

Generate strong random passwords with letters, numbers and symbols in your browser.

Format JSON and generate technical values quickly.

Developer tools

Paste JSON to format, validate, minify and copy the result in your browser.

Developer tools

Generate random UUID v4 values in your browser and copy them with one click.

Simple browser-based image edits without uploading files.

Image tools

Remove white, green or simple solid-color image backgrounds in your browser without uploading the file.