Less friction.
More clarity.
Useful little tools for the things that slow you down. Calculate, convert and make sense of your digital world.
At 90% effective throughput
A shortcut to sorted.
Pick a task. Get on with your day.
Download Time Calculator
Estimate a download time from file size, connection speed and a realistic transfer efficiency.
Data Storage Converter
Convert bytes, decimal storage units and binary storage units with their actual definitions.
Random Password Generator
Create a random password locally using your browser’s cryptographic random-number generator.
SHA-256 File Hash Checker
Calculate the SHA-256 digest of a local file up to 100 MB without uploading it.
Video File Size Calculator
Estimate video storage from duration and average video and audio bitrates.
Bandwidth Planning Calculator
Plan a connection capacity from simultaneous devices, usage per device and an explicit allowance.
Word & Character Counter
Count words, Unicode characters and paragraphs, with an adjustable reading-time estimate.
Percentage Calculator
Find a percentage of a value or calculate the percentage change between two values.
Know how.
Not just how much.
Every calculator comes with its working: the formula, an example and the things that can change your result.
Passwords and files stay in an isolated tool frame. We do not upload them to a server.
A look at our approach ↗Make it make sense.
Plain-language explanations for digital questions.
Mbps vs MB/s: why your download speed looks eight times smaller
Convert megabits to megabytes, understand real download rates, and compare an internet plan with a file transfer.
Read the explanation FIELD NOTE / 02GB vs GiB: how to compare storage sizes correctly
Learn decimal and binary storage units, convert GB to GiB, and explain an apparent capacity difference without guessing.
Read the explanation FIELD NOTE / 03How to estimate download time without mixing up units
Calculate file transfer time with a clear formula, compare realistic speed scenarios, and understand the limits of an estimate.
Read the explanationOne small task out of the way.