CalculatorsEMI, SIP, GST, percentages and more — instant, accurate, free.ConvertersUnit and number-base converters for everyday engineering.FormattersBeautify, validate and transform text and code.GeneratorsUUIDs, passwords and other things you need on demand.CryptographyHashes and encodings, computed locally in your browser.Data & TransformConvert JSON, CSV, YAML, XML & TOML — and generate code from JSON.CSV ToolsConvert, clean, filter, analyze and transform CSV files — all in your browser.Encoding & DecodingBase64, Base32/58/62, Hex, Octal and Punycode encoders & decoders.Text ToolsCase conversion, counting, sorting, dedupe, reverse and more.ValidatorsValidate JSON, YAML, XML, CSV, TOML and more — with clear error messages.Repair ToolsFix broken JSON, CSV, XML, YAML and other malformed data.Diff & CompareCompare two texts, JSON, CSV, YAML, XML and more — highlight the differences.QR & BarcodesGenerate WiFi, vCard, URL and other QR codes, plus Data Matrix & Aztec barcodes.MinifiersShrink JSON, CSS, JavaScript, XML and SVG by removing whitespace.BeautifiersPretty-print and indent CSS, HTML and JavaScript.Security & TokensJWT, HMAC, key pairs, TOTP, PKCE, secure tokens and password tools.Developer UtilitiesCron, regex, timestamp, URL, JSONPath, XPath, escaping and more.Format ConvertersMarkdown⇄HTML, env/INI/properties⇄JSON, NDJSON, SVG data-URI and more.Image ToolsResize, crop, convert, compress, recolor and extract palettes — all in your browser.
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17 free tools · runs in your browser

Format Converters

Markdown⇄HTML, env/INI/properties⇄JSON, NDJSON, SVG data-URI and more.

Markdown to HTMLRender Markdown as HTML HTML to MarkdownConvert HTML into Markdown Markdown to Plain TextStrip Markdown formatting Plain Text to MarkdownEscape text into Markdown Plain Text to HTMLWrap text in HTML ENV to JSONParse .env into JSON JSON to ENVBuild a .env from JSON INI to JSONParse INI into JSON JSON to INIBuild INI from JSON Properties to JSONParse .properties to JSON JSON to PropertiesFlatten JSON to .properties NDJSON to JSONCombine NDJSON into array JSON to NDJSONSplit array into NDJSON SVG to Data URIEncode SVG as data URI Data URI to SVGDecode data URI to SVG YAML to JSONConvert YAML into JSON JSON to YAMLConvert JSON into YAML

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Calculators (37)Converters (27)Formatters (15)Generators (10)Cryptography (6)Data & Transform (23)CSV Tools (98)Encoding & Decoding (21)Text Tools (7)Validators (12)Repair Tools (12)Diff & Compare (18)QR & Barcodes (18)Minifiers (5)Beautifiers (3)Security & Tokens (25)Developer Utilities (13)Image Tools (14)Guides