Online tools

Practical browser-based tools for calculations, files and data. No account required.

Calculators

Quick calculators for everyday percentage, tax and price questions.

Percentage Calculator

Calculate a percentage of a value, work out percentage changes, and increase or decrease values by a percentage.

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VAT Calculator

Add VAT to a net amount or extract the net amount and included VAT from a gross amount.

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Unit Price Calculator

Compare package sizes, quantities and prices on the same basis to see which offer is really cheaper.

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Image Tools

Simple tools for working with images.

Image Resizer

Resize JPG, PNG, and WebP images to precise dimensions.

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Image Editor

Draw, crop, resize and annotate PNG, JPEG and WebP images.

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PDF Tools

Tools for common PDF tasks.

Merge PDF

Combine multiple PDF files in your chosen order.

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Text & Data

Tools for comparing, formatting and inspecting structured data.

Text Compare

Compare two texts line by line and clearly identify added, removed, and unchanged content.

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JSON Formatter

Format, validate, inspect, and convert JSON.

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XML Viewer

Inspect XML, explore its structure, and edit supported values.

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