Directorio completo
157 herramientas. Un solo sitio.
21 herramientas tienen una versión española revisada. El resto aparece con la marca EN y abre su versión inglesa, para que siempre sepas qué idioma vas a encontrar.
HTTP Status Code Lookup
Look up the meaning and class of common HTTP response codes.
DesarrolloPassword Strength Checker
Estimate password strength, entropy, and practical improvement steps.
SeguridadEmail Validator
Check whether an email address has a valid practical format.
SeguridadIP Address Validator
Validate IPv4 and IPv6 addresses and identify the version.
SeguridadDomain Validator
Validate domain syntax, labels, length, and top-level domain shape.
SeguridadCard Number Validator
Run a local Luhn checksum and identify common card network patterns.
SeguridadUsername Generator
Generate memorable usernames from words, styles, and secure randomness.
SeguridadPIN Generator
Generate secure numeric PINs of a chosen length.
SeguridadImage to Base64
Convert an image file to a Base64 data URL locally.
Imagen y datosBase64 to Image
Preview and download a valid Base64 image data URL.
Imagen y datosQR Code Reader
Read a QR code from an image using your browser's local scanner.
Imagen y datosFavicon Generator
Create square favicon PNGs at common sizes from any image.
Imagen y datosFile Size Converter
Convert between decimal and binary bytes, KB, MB, GB, and TB.
Imagen y datosMIME Type Lookup
Find common MIME types by file extension or media type.
Imagen y datosRandom Picker
Pick one or more unbiased winners from any list.
Imagen y datosList Shuffler
Shuffle a list using a cryptographically strong Fisher–Yates algorithm.
Imagen y datosCoin Flipper
Flip one or many fair virtual coins with a result summary.
Imagen y datosDice Roller
Roll standard or custom dice and see individual rolls and totals.
Imagen y datosRandom Date Generator
Generate random dates within an exact start and end range.
Imagen y datosFake Person Generator
Generate clearly fictional test identities for mockups and QA.
Imagen y datosColor Palette Generator
Generate harmonious color palettes with copyable HEX values.
Imagen y datosCSS Gradient Generator
Build linear CSS gradients and copy production-ready code.
Imagen y datosCSV to JSON Converter
Parse header-based CSV into structured JSON.
Imagen y datosJSON to CSV Converter
Convert an array of JSON objects into downloadable CSV data.
Imagen y datosMeta Tag Generator
Create a clean title, description, canonical, robots, and viewport tag block.
SEO y marketingOpen Graph Generator
Generate Open Graph tags for rich previews on social and messaging apps.
SEO y marketingTwitter Card Generator
Build valid X and Twitter Card metadata for shared links.
SEO y marketingRobots.txt Generator
Create a practical robots.txt file with crawl rules and sitemap location.
SEO y marketingXML Sitemap Generator
Turn a list of page URLs into a valid XML sitemap.
SEO y marketingHreflang Tag Generator
Generate alternate-language link tags for international pages.
SEO y marketingUTM Campaign URL Builder
Add consistent UTM campaign parameters to any destination URL.
SEO y marketingSERP Snippet Preview
Preview a page title, URL, and description as a search result.
SEO y marketing