Tools
Online tools for everyday tasks, each with instructions, examples and answers to common questions.
Converters
- JSON Escape / UnescapeEscape text into a JSON string literal, or unescape a JSON string literal back to plain text.jsonescapeunescapestring
- JSON to YAMLConvert valid JSON into YAML, formatted and ready to paste into config files.jsonyamlconverter
- YAML to JSONConvert a YAML document into formatted JSON, with adjustable indentation.yamljsonconverter
- CSV to JSONConvert CSV into a pretty-printed JSON array of objects, keyed by the header row.csvjsonconverter
- JSON to CSVConvert a JSON array of flat objects into CSV, ready to open in a spreadsheet.jsoncsvconverter
- Base64 Encoder/DecoderEncode text to Base64 or decode Base64 back to plain text.base64encoderdecoder
- URL Encoder/DecoderEncode text for safe use in a URL, or decode a percent-encoded string back to text.urlencoderdecoderpercent-encoding
- HTML Encoder/DecoderEscape text for safe embedding in HTML, or decode HTML entities back to text.htmlencoderdecoderentities
- Hex Encoder/DecoderEncode text to a hex byte string, or decode hex back to text.hexencoderdecoderbytes
- Binary Encoder/DecoderEncode text to space-separated 8-bit binary, or decode binary back to text.binaryencoderdecoderbytes
- Unit ConverterConvert between common length, weight, and temperature units.unitconvertermeasurement
- Color ConverterPick or type a color and see it instantly in hex, RGB, HSL, HSB, and CMYK.colorhexrgbhslhsbcmykconverterpicker
Text tools
- JSON FormatterValidate and pretty-print JSON with clear, positioned error messages.jsonformattervalidator
- JSON ValidatorCheck whether JSON is valid and see its top-level type, with a plain explanation of the problem if not.jsonvalidatorparser
- JSON MinifierCompact valid JSON by removing unnecessary whitespace.jsonminifiercompact
- JSON DiffCompare two JSON documents and see exactly what was added, removed, or changed, by path.jsondiffcomparecomparison
- JSONPath TesterRun a JSONPath expression against JSON and see exactly which values it matches, by path.jsonjsonpathquerytester
- Markdown PreviewerWrite markdown and see the rendered result live, side by side.markdowneditorpreview
- Word/Character CounterCount words, characters, and estimated reading time as you type.word countcharacter counttext
Financial calculators
- Simple Interest CalculatorCalculate simple interest earned and the total amount owed on a principal.interestsimple interestfinancecalculator
- Compound Interest CalculatorProject investment growth with compound interest and optional recurring contributions.interestcompound interestinvestingfinancecalculator
- Savings Goal CalculatorFind the monthly contribution needed to reach a savings goal by a target date.savingsgoalfinancecalculator
- Loan / Amortization CalculatorCalculate a fixed loan payment and see the full month-by-month amortization schedule.loanamortizationpaymentfinancecalculator