Your (nice)
digital toolkit.

Calculators, converters, and small utilities. Open one, enter your numbers, and copy the result. No account.

⌘K

Featured tools

Find what percent one number is of another, or take a percentage of a number. Results update as you type.

Ranks USDT pairs from the last closed candle, volume versus the prior 20 candles, and a high break. A description of what already printed, not a forecast.

Data Visualization

Sankey Diagram Generator

Turn a table of flows into a Sankey diagram you can export as SVG or PNG.

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Calculators

Percentages, loans, pay, and other everyday maths. Enter the numbers and read the result.

Percentage Calculator · Percentage Increase Calculator

Developer Tools

Format, convert, and generate text in the browser. Paste, edit, and copy.

JSON Formatter · UUID Generator

Files & Media

Compress, convert, merge, sign, and clean up files in the browser. Your files stay on your device.

Image Compressor · PDF Merger

Design & Creative

Palettes, contrast, gradients, and CSS you can preview and copy.

Colour Palette Generator · Contrast Checker

Data Visualization

Paste a table and export a chart. Funnels, Gantt, bars, lines, pies, and simple diagrams.

Sankey Diagram Generator · Funnel Chart

Business Tools

Invoices, quotes, fees, and margins from the numbers you enter.

Invoice Generator · Quote Builder

Home & Trade

Paint, concrete, tiles, and material quantities from measurements you already have.

Paint Calculator · Material Estimator

People & Teams

Meetings, roles, and a short work-style quiz for working together.

Work Style Quiz · Meeting Cost Calculator

Text Tools

Count, convert, clean, and compare text in the browser.

Word Counter · Diff Checker

Everyday & Fun

Timers, pickers, dice, and other small helpers.

Dice Roller · Age Calculator

Gaming & Hardware

Hardware testers, and calculators for the number a player needs.

Gamepad Tester · Keyboard Tester

Crypto

Profit, position size, and staking from numbers you type. The scanner shows its source and time. No wallet.

Crypto Momentum Scanner · Crypto Profit Calculator

Creator Tools

Rate cards, engagement, and posting windows. Starting points, not a promise of reach or income.

Creator Rate Card Calculator · Engagement Rate Calculator

AI Tools

Token counts and cost estimates from published prices, with the date those prices were checked.

AI API Cost Calculator · Prompt Token Counter