JSON formatter & validator
Validate JSON and format or minify it with configurable indentation.
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Practical tools for everyday work. Convert, create, calculate, and keep things moving.
29 Results
JSON to CSV
Convert an array of flat objects into a properly quoted CSV table.
Open toolCSV to JSON
Parse quoted CSV with embedded commas and line breaks into JSON.
Open toolCSV delimiter converter
Parse and rewrite CSV with a different separator.
Open toolCSV to Markdown table
Convert CSV rows into a Markdown table.
Open toolCSV column selector
Select named CSV columns and preserve their chosen order.
Open toolJSON path reader
Read a nested JSON value using dot notation and array indexes.
Open toolFlatten & unflatten JSON
Convert nested objects into dot-path keys, or restore them.
Open toolSort JSON keys
Recursively sort object keys while preserving array order.
Open toolJSON to TypeScript type
Infer a TypeScript type from a JSON sample.
Open toolQuery string ↔ JSON
Convert URL parameters and JSON objects, retaining repeated parameters.
Open toolBase64 encoder & decoder
Encode Unicode text to Base64 or decode valid UTF-8 Base64.
Open toolURL encoder & decoder
Encode or decode URL components using UTF-8 percent encoding.
Open toolHTML entity converter
Encode HTML-sensitive characters and decode named or numeric references.
Open toolUnicode escape converter
Convert text to Unicode escape sequences and back.
Open toolText ↔ binary / hex bytes
Encode text as UTF-8 bytes in binary, octal, decimal or hex.
Open toolCharacter code inspector
Inspect each character’s Unicode code point and UTF-8 bytes.
Open toolQuoted-printable converter
Encode or decode UTF-8 quoted-printable text used in email content.
Open toolJWT payload decoder
Read JWT headers and payloads without verifying their signature.
Open toolJSON string escape / unescape
Escape text as a JSON string or decode a quoted JSON string.
Open toolLine ending converter
Normalize text line endings to LF, CRLF or CR.
Open toolUnix permission calculator
Convert octal permissions to symbolic read/write/execute permissions.
Open toolInteger base converter
Convert signed integers between bases 2 through 36 without floating-point loss.
Open toolTwo’s complement converter
Convert signed integers to fixed-width binary and back.
Open toolIEEE 754 inspector
Inspect binary32 or binary64 floating-point representations.
Open toolReverse byte order
Reverse hexadecimal bytes, optionally within fixed-width groups.
Open toolBitwise calculator
Compute AND, OR, XOR, shifts and fixed-width NOT on integers.
Open toolRegular expression tester
Find JavaScript regular-expression matches with a bounded execution time.
Open toolCron next-run calculator
Preview the next UTC executions of a standard five-field cron expression.
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