Code Formatting

Format, beautify and minify source code. 5 tools

Code Formatterformatter Format JS, TS, HTML, CSS, JSON, YAML, Markdown and 13 SQL dialects

CSSHTMLJavaScriptSQL

Quick links: CSS FormatterHTML FormatterJavaScript FormatterSQL Formatter

Design & UI

Convert colors, check contrast and export design tokens. 1 tools

Color Converterconverter Convert HEX, RGB, HSL, OKLCH, P3 and CMYK — check contrast, export tokens

Scheduling & Time

Build cron expressions and convert timestamps. 2 tools

Cron Generatorgenerator Build, explain and preview cron schedules with next-run times

Timestamp Converterconverter Convert Unix timestamps, ISO 8601 dates and time zone offsets

Barcodes & IDs

Generate and read QR codes and barcodes, plus UUIDs and magnet links. 6 tools

Barcode Generatorgenerator Generate Code 128, EAN/UPC, ITF-14, SSCC-18, GS1-128, Data Matrix, PDF417 and Aztec Code barcodes

Magnet Link Generatorgenerator Generate magnet URI links from torrent file metadata

QR Toolgenerator Generate and decode QR codes for URLs, WiFi, vCards and text

Generate QRRead QR

Quick links: QR Code GeneratorQR Code ReaderUUID Generator

Auth & Security

Generate passwords, tokens and secure random data. 4 tools

Random Datagenerator Generate passwords, UUIDs (v4/v7), random strings and passphrases

PasswordsUUIDsStrings

TOTP Authenticatorgenerator Generate and verify TOTP 2FA codes — RFC 6238 compliant, entirely local

Quick links: Password GeneratorRandom String

Network & Debugging

Test regex patterns and debug network issues. 4 tools

HAR Analyzerinspector Inspect HTTP requests, discover APIs, analyze performance from HAR files

PCAP Analyzerinspector Analyze packet captures locally — inspect DNS, HTTP, TLS metadata

Regex Testervalidator Test regex patterns with real-time matches, groups and replacements

Sequence Diagram Editoreditor Create, style and export sequence diagrams locally in your browser

Geospatial

Convert coordinates, validate GeoJSON and analyze GPS tracks. 18 tools

Geospatial Calculationscalculator Distance, bounding box, radius query and point-in-polygon with maps

DistancePoint in PolygonBounding BoxRadius Query

Geospatial Convertersconverter Convert coordinates, geohashes, WKT and detect coords in text

CoordinatesGeohashWKTPrivacy

Geospatial File Toolsvalidator Validate, simplify and convert GPX, GeoJSON and KML files 📁 File🔒 No Upload

GeoJSON ValidateGeoJSON SimplifyGPX AnalyzerKML Convert

Quick links: Bounding Box GeneratorCoordinate ConverterCoordinate DetectorCoordinate PrivacyDistance CalculatorGPX AnalyzerGeoJSON SimplifierGeoJSON ValidatorGeohash ConverterGeohash ExplorerKML ConverterPoint in PolygonPolyline EncoderRadius Query GeneratorWKT Converter

Other Categories

TextTransform, clean, compare and analyze text without sending iDataConvert, format, encode, decode and inspect structured data FilesInspect, clean and analyze local files, metadata, documents MediaConvert, compress, edit and inspect images, audio, video andUtilitiesConvert units, generate random values, calculate results and