[ HIPE TOOLBOX ]

Small tools.Useful results.

Free tools from the HIPE team. Format, compare, and convert code and data formats, change colors and units, test a regex, build a gradient, paint a sprite, or take a break with a pixel cat.

Free to use · No sign-up

[ Recommended ]

A useful place to start

JSON FormatterMake a payload readable URL ParserInspect a link and its parameters Crontab GeneratorSchedule a recurring job Text StatisticsCheck the length of your writing

Pinned toolCat Portrait LabA tiny side quest. A cat that's all yours.Open tool

Pinned toolSprite PainterPaint a layered pixel sprite and export a transparent PNG or editable SVG.Open tool

[ 04 / Tools ]

Design

03 / DESIGNColor Contrast CheckerTest a color pair, preview your text, and check WCAG contrast targets.Open tool 04 / DESIGNColor ConverterConvert any CSS color between HEX, RGB, HSL, and OKLCH with a live swatch.Open tool 05 / DESIGNPX ↔ REM ConverterConvert px, rem, and em against your root size, with a ready-to-copy scale.Open tool 06 / DESIGNCSS Gradient GeneratorBuild linear, radial, or conic gradients with color stops and copy the CSS.Open tool

[ 10 / Tools ]

Develop

07 / DEVELOPJSON FormatterTurn a wall of JSON into readable code. Validate, format, or minify.Open tool 08 / DEVELOPBase64 / URL EncoderEncode or decode Base64 and URL text, with full Unicode support.Open tool 09 / DEVELOPTimestamp & UUIDTurn Unix timestamps into readable dates and back, then generate UUIDs.Open tool 10 / DEVELOPRegex TesterTest a JavaScript regular expression with live highlights, groups, and replace.Open tool 11 / DEVELOPCrontab GeneratorBuild a five-field cron schedule, preview upcoming runs, and copy a crontab entry.Open tool 12 / DEVELOPURL ParserInspect URL components and decoded query parameters, including repeated keys.Open tool 13 / DEVELOPJSON DiffCompare JSON by structure, ignore object key order, and inspect changes at each path.Open tool 14 / DEVELOPChmod CalculatorChoose file permissions and generate a safely quoted chmod command for Linux.Open tool 15 / DEVELOPMIME TypesLook up the MIME type for a file extension, or the extensions for a MIME type.Open tool 16 / DEVELOPOpen Graph Meta GeneratorGenerate Open Graph and X (Twitter) card tags so links show a title, description, and image.Open tool

[ 15 / Tools ]

Convert

17 / CONVERTJSON to YAMLConvert JSON into readable YAML. Large integers stay exact, and ambiguous strings are quoted.Open tool 18 / CONVERTYAML to JSONConvert YAML into formatted JSON, with anchors resolved and large integers kept exact.Open tool 19 / CONVERTJSON to TOMLConvert a JSON object into TOML tables and arrays for configuration files.Open tool 20 / CONVERTTOML to JSONConvert TOML configuration into formatted JSON, including tables, arrays, and dates.Open tool 21 / CONVERTYAML to TOMLConvert a YAML mapping into TOML tables, ready for a configuration file.Open tool 22 / CONVERTTOML to YAMLConvert TOML configuration into readable YAML with support for tables, arrays, and dates.Open tool 23 / CONVERTXML to JSONConvert XML into JSON. Attributes, repeated elements, and text are kept exactly as written.Open tool 24 / CONVERTJSON to XMLConvert JSON into indented XML with a single root element, attributes, and escaped text.Open tool 25 / CONVERTMarkdown to HTMLConvert Markdown, including tables and task lists, into clean HTML with a live preview.Open tool 26 / CONVERTInteger Base ConverterConvert whole numbers between binary, octal, decimal, hexadecimal, and any base up to 36.Open tool 27 / CONVERTRoman Numeral ConverterConvert numbers from 1 to 3999 to Roman numerals and back, with standard notation checks.Open tool 28 / CONVERTText to NATO AlphabetSpell names, codes, and references clearly with the NATO phonetic alphabet.Open tool 29 / CONVERTText to BinaryConvert text to UTF-8 binary bytes and decode binary back into text.Open tool 30 / CONVERTText to UnicodeEscape text as \u sequences, U+ code points, or HTML entities, and decode them back.Open tool 31 / CONVERTList ConverterClean up a list: trim, deduplicate, sort, wrap each item, and join with any separator.Open tool

[ 03 / Tools ]

Write

32 / WRITEText Case ConverterSwitch casing, clean up a headline, or turn a title into a URL slug.Open tool 33 / WRITEText Diff CheckerCompare two texts and see every added, removed, and changed line.Open tool 34 / WRITEText StatisticsCount words, characters, sentences, paragraphs, and reading time as you type.Open tool

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Small tools.Useful results.

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