A pocket workbench · 28 tools

Small tools for everyday jobs. Nothing you type leaves this tab.

Scan a QR code, tidy some JSON, work out a loan or resize a photo. Every tool runs in your browser, with no sign-up and no upload.

Calculator3

Date CalculatorFind your age or the days between two dates.Loan CalculatorEstimate monthly installments and total interest.Percentage CalculatorWork out percentages, changes and discounts.

Convert2

CSV ↔ JSONConvert CSV to JSON and JSON back to CSV.Unit ConverterConvert length, weight, temperature, data size and more.

Design1

Color ConverterPick a color and get HEX, RGB and HSL values.

Developer9

Base64 Encode / DecodeConvert text to Base64 and back, with full Unicode support.HTML EntitiesEscape text for HTML, or turn entities back into text.JSON FormatterPrettify, minify and validate JSON.JWT DecoderRead the header and payload of a JSON Web Token.Number Base ConverterConvert numbers between binary, octal, decimal and hex.Regex TesterTest a regular expression and see every match highlighted.Timestamp ConverterConvert Unix timestamps to dates and back.URL Encode / DecodePercent-encode text for links, or decode an encoded link.UUID GeneratorGenerate random UUID v4 identifiers in bulk.

Image1

Image Resizer & CompressorResize, compress and convert images to JPG, PNG or WebP.

Scan & Code2

QR Code GeneratorTurn any text or link into a QR code you can download.QR Code ReaderScan a QR code with your camera, or read one from an image.

Security2

Hash GeneratorCompute SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.Password GeneratorCreate strong random passwords right in your browser.

Text7

Case ConverterSwitch text between UPPER, lower, Title, camelCase, snake_case and more.Line ToolsSort, dedupe, reverse, trim or shuffle lines of text.Lorem Ipsum GeneratorGenerate placeholder paragraphs, sentences or words.Markdown PreviewWrite Markdown and see it rendered live.Slug GeneratorTurn a title into a clean URL slug.Text DiffCompare two texts and see what was added or removed.Word CounterCount words, characters, sentences and reading time.

Utility1

Stopwatch & TimerA stopwatch with laps and a countdown timer with an alarm.