Correo
Herramientas prácticas para el trabajo independiente. Sin registro. Correo
Revisar asunto del correo
Check subject length without claiming deliverability.
Generador de enlaces de correo
Build and preview a mailto link with recipients, subject and body.
Generador de firmas de correo
Preview a signature and copy it into your mail settings.
Generador de correos de ejemplo
Generate sample email addresses from random names or a TXT username list.
Extraer y agrupar correos
Extract email addresses from text or HTML and group by size or domain.
Verificar direcciones
Check syntax, duplicates and common domain spelling mistakes in email lists.
Analizar cabeceras
Inspect routing, authentication results and visible privacy details from raw email headers.
Analizar rebotes
Explain common SMTP and enhanced delivery status codes in bounce messages.
Revisar contenido
Review subject length, links, image descriptions and common promotional wording.
DNS y autenticación
Query MX, SPF, DKIM and DMARC; draft SPF and DMARC records.
Privacidad y enlaces
Mask email addresses and inspect URL structure without opening links.
Operaciones de listas
Merge lists, calculate intersections and differences, and export domain statistics.
Buscar correos en archivos
Extract unique addresses from pasted content or local TXT, CSV, HTML and EML files.
Plantillas de correo
Create an HTML email and a plain-text version from editable message fields.
Editor HTML y CSS en línea
Preview HTML email, inline static CSS at a selected width and inspect compatibility risks.