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73 tools
- Aspect Ratio CalculatorgenerateSimplify aspect ratios and get the CSS to reproduce them.
- Base64 DecoderdecodeDecode standard or URL-safe Base64 back to text.
- Base64 EncoderencodeEncode text or Unicode to standard or URL-safe Base64.
- Color ConverterconvertConvert colours between HEX, RGB, HSL and OKLCH.
- CSS FormatterformatBeautify CSS and find unbalanced braces.
- CSS MinifierformatCompress CSS with safe, conservative optimisations.
- CSS Unit ConverterconvertConvert px, rem, em and pt values.
- CSV Column ExtractorformatSelect, reorder or drop CSV columns.
- CSV DeduplicatorformatRemove duplicate rows from a CSV file.
- CSV Delimiter ConverterconvertSwitch a CSV file between comma, semicolon, tab and pipe.
- CSV FormatterformatClean up and normalise a CSV file.
- CSV Row FilterformatKeep only the CSV rows matching a condition.
- CSV SorterformatSort CSV rows by a chosen column.
- CSV to JSONconvertTurn a CSV table into a JSON array of objects.
- CSV to SQL INSERTgenerateGenerate INSERT statements from CSV rows.
- CSV to TSVconvertSwitch a CSV file to tab separators.
- CSV to XMLconvertTurn CSV rows into XML elements.
- CSV to YAMLconvertTurn CSV rows into a YAML list of records.
- CSV TransposerformatSwap rows and columns in a CSV file.
- CSV ValidatorvalidateCheck CSV structure and get a per-column report.
- Hash GeneratorgenerateCompute SHA hashes of text locally in your browser.
- Hex DecoderdecodeTurn hexadecimal bytes back into readable text.
- Hex EncoderencodeShow the hexadecimal bytes behind any text.
- HTML Entity DecoderdecodeTurn HTML entities back into readable characters.
- HTML Entity EncoderencodeEscape <, >, &, and quotes for safe HTML display.
- HTML FormatterformatIndent HTML and find unbalanced tags.
- HTML MinifierformatCompress HTML without changing how it renders.
- HTML to MarkdownconvertTurn HTML into clean, readable Markdown.
- JSON EscapeencodeTurn arbitrary text into a valid JSON string value.
- JSON FormatterformatIndent and beautify JSON, with syntax error locations when available.
- JSON Lines to JSONconvertWrap newline-delimited records into a JSON array.
- JSON MinifierformatRemove all unnecessary whitespace from JSON and measure the saving.
- JSON SorterformatAlphabetise JSON keys recursively to make documents diffable.
- JSON to CSVconvertTurn JSON records into a spreadsheet-ready CSV table.
- JSON to JSON LinesconvertSplit a JSON array into one record per line.
- JSON to Markdown TableconvertTurn JSON records into an aligned Markdown table.
- JSON to SQL INSERTgenerateGenerate INSERT statements from JSON records.
- JSON to TOMLconvertTurn JSON into TOML for Cargo, pyproject and similar config files.
- JSON to XMLconvertTurn JSON into well-formed XML with a configurable root element.
- JSON to YAMLconvertTurn JSON into readable YAML for config files and manifests.
- JSON UnescapedecodeTurn an escaped JSON string back into readable text.
- JSON ValidatorvalidateCheck JSON syntax, inspect error locations when available, and scan for duplicate keys.
- JWT DecoderinspectDecode and inspect a JWT without sending it anywhere.
- Markdown Table FormatterformatAlign Markdown table columns in the source.
- Markdown Table to CSVconvertTurn a Markdown table into CSV.
- Markdown Table to JSONconvertTurn a Markdown table into JSON records.
- Markdown to HTMLconvertConvert Markdown to safe, clean HTML.
- OKLCH to HEXconvertConvert OKLCH to hex, flagging out-of-gamut colours.
- Query String ParserinspectTurn a query string into readable JSON.
- Random String GeneratorgenerateGenerate secure random strings from a chosen alphabet.
- Regex EscapeencodeEscape text so a regex matches it literally.
- Regex TesterinspectTest a regex and inspect every match and capture group.
- SQL FormatterformatBeautify SQL queries with dialect-aware formatting.
- SQL IN Clause GeneratorgenerateBuild a SQL IN clause from a list of values.
- SQL MinifierformatCompress SQL to one line, safely stripping comments.
- TOML to JSONconvertTurn TOML config into JSON, with dates normalised to ISO 8601.
- TOML to YAMLconvertTurn a TOML config into indented YAML.
- TSV to CSVconvertTurn tab-separated data into properly quoted CSV.
- TSV to JSONconvertTurn tab-separated rows into JSON records.
- Unicode EscaperencodeTurn characters into \u escape sequences.
- Unicode UnescaperdecodeTurn \u escape sequences back into characters.
- Unix Timestamp ConverterinspectConvert between Unix timestamps and human-readable dates.
- URL DecoderdecodeTurn percent-encoded text back into readable characters.
- URL EncoderencodePercent-encode text for query strings and URL paths.
- URL ParserinspectSplit a URL into its component parts.
- UUID GeneratorgenerateGenerate cryptographically random UUID v4 values.
- XML to CSVconvertExtract a table from repeated XML elements.
- XML to JSONconvertTurn XML into JSON, with attributes and text nodes preserved.
- XML to YAMLconvertTurn XML into readable indented YAML.
- YAML to CSVconvertFlatten a YAML list into a CSV table.
- YAML to JSONconvertTurn a single YAML document into JSON, with limits on what carries over.
- YAML to TOMLconvertMigrate a YAML config to TOML.
- YAML to XMLconvertTurn YAML into well-formed XML.