INI to JSON
Convert an INI or config file into structured JSON, sections and all.
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JSON to GraphQL Schema
Draft a GraphQL type definition from a sample JSON response.
JSON Escape & Unescape
Turn any text into a JSON string literal, or unwrap one back to plain text.
Auto Lease Calculator
Lease payment from cap cost, residual and money factor.
Average Return Calculator
CAGR against the arithmetic mean, and why they differ.
Retirement Calculator
Whether your savings will last, and what closes the gap.
Rental Property Calculator
Monthly cash flow, cap rate and cash-on-cash on a rental.
Area Calculator
Area of any common shape, plus conversion between area units.
Calorie Calculator
Daily calories to maintain, lose or gain weight at your own pace.
Compound Interest Calculator
Grow a balance with regular contributions and any compounding frequency.
Loan Calculator
Monthly repayment, total interest and a full amortisation schedule.
Tip Calculator
Work out the tip and split the bill between any number of people.
GST Calculator
Add or remove GST at any rate, with the net, tax and gross shown.
Period Calculator
Next period dates, cycle phases and a twelve-month calendar.
Horsepower Calculator
Horsepower from torque and RPM, or from work over time.
Grayscale Image Converter
Turn a photo black and white with proper luminance weighting.
Add Padding to Image
Add whitespace around an image without cropping anything.
Uppercase Converter
Turn any text into capital letters in one click.
Remove Extra Spaces
Collapse double spaces and trim the ends of every line.
Sort Lines by Length
Order a list from shortest line to longest, or the reverse.
Sort Lines A–Z
Put any list into alphabetical order, numbers handled properly.
Right Align Text
Push every line to the right edge of a set width.
Escape Text
Escape a string for JSON, JavaScript, SQL, shell or regex.
Upside Down Text
Flip text so it reads upside down.
Word Definition
Look up definitions for common English words, offline.
Punctuation Counter
Count every punctuation mark and see how a text is paced.
Token Counter
Estimate how many tokens your text costs before you send it.
Color Palette Generator
Generate complementary, analogous and triadic palettes from one colour.
Duplicate Line Remover
Remove repeated lines from a list without losing the order.
Invoice Header Generator
A clean invoice header: logo, business details, document title and the key numbers.
Invoice Split Payment Calculator
Split one invoice across several payers, evenly or by share, without losing a penny.
CSS to Tailwind Converter
Turn a stylesheet into Tailwind utility classes, with variants for hover and breakpoints.
AVI to MP4 Converter
Modernise old AVI video into MP4 — usually far smaller, and playable again.
PHP Serialize to JSON Converter
Unserialize a PHP string into JSON — and back — with byte lengths handled and repairable.
SQL to CSV Converter
Pull the rows out of a .sql dump — INSERT statements or pg_dump COPY — straight to CSV.
YAML to TOML Converter
YAML config into TOML tables — the format Cargo, Hugo and pyproject.toml want.
Markdown Table to CSV Converter
Take a table out of a README or an AI answer and get CSV you can open in Excel.
TSV to CSV Converter
Tab-separated to proper CSV, with quoting that survives commas and line breaks.
Excel to CSV Converter
Turn any sheet of an .xlsx, .xls or .ods workbook into clean CSV, without uploading it.
Glassmorphism Generator
Build a frosted glass panel with backdrop blur, over a real background.
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