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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18 free tools · runs in your browser

Diff & Compare

Compare two texts, JSON, CSV, YAML, XML and more — highlight the differences.

Text Diff CheckerCompare two blocks of text line by line.Code Diff CheckerCompare two code snippets line by line.JSON Diff CheckerCompare two JSON documents (key-order independent).JSON Object Diff CheckerCompare two JSON objects.JSON Array Diff CheckerCompare two JSON arrays.JSONL Diff CheckerCompare two JSON Lines files.NDJSON Diff CheckerCompare two NDJSON files.YAML Diff CheckerCompare two YAML documents (key-order independent).TOML Diff CheckerCompare two TOML documents.XML Diff CheckerCompare two XML documents.HTML Diff CheckerCompare two HTML documents.CSV Diff CheckerCompare two CSV files line by line.TSV Diff CheckerCompare two TSV files.Markdown Diff CheckerCompare two Markdown documents.INI Diff CheckerCompare two INI config files.ENV Diff CheckerCompare two .env files.Properties Diff CheckerCompare two .properties files.SQL Diff CheckerCompare two SQL scripts line by line.

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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)QR & Barcodes (18)Minifiers (5)Beautifiers (3)Security & Tokens (25)Developer Utilities (13)Format Converters (17)Image Tools (14)Guides