Tools

Generate realistic text message previews for iPhone and Android devices. Customize contact names, message content, and device settings to create professional mockups for your SMS notifications.

Generate realistic push notification previews for iPhone and Android devices. Customize icons and message content to create professional mockups for your push notifications.

Build a realistic Slack channel message preview with avatars, body text, and optional header and action buttons. Export a PNG for professional mockups of your Slack notifications.

Build a customizable in-app notification feed preview with avatars, body text, and action buttons. Then, export a PNG in light or dark theme for professional mockups of your in-app feed notifications.

Generate one-click calendar event links for Google Calendar, Apple Calendar, Outlook, Yahoo, and more. Create Add to Calendar buttons and downloadable ICS files to boost event attendance in your emails and notifications.

Create mailto links with pre-filled recipients, subject lines, body text, CC, and BCC fields. Generate properly encoded email links that work across all email clients and embed them in your notification templates.

Calculate statistical significance for your A/B tests. Enter visitor and conversion data to determine if your results are statistically significant with confidence levels and p-values.

Look up MX records for any domain to see mail servers, priorities, and identified email providers. Troubleshoot email delivery and verify your domain's mail configuration.

Check SPF records for any domain to verify authorized email senders. View parsed mechanisms, validity status, and troubleshoot email deliverability issues.

Look up DKIM records to verify email signing configuration for any domain. Auto-detect common selectors or specify your own to check key type and public key presence.

Validate email addresses with syntax checks, domain verification, MX record lookup, and disposable email detection. Identify free email providers and verify deliverability.

Look up BIMI records to verify brand logo configuration for any domain. Check logo URL, VMC certificate presence, and raw TXT record details to ensure your brand displays in supporting email clients.

Look up and validate DMARC records for any domain. View parsed tags, policy enforcement status, alignment settings, and reporting configuration to verify your email authentication setup.

Define properties with names, descriptions, and types to generate JSON schemas. Supports strings, arrays, numbers, booleans, and timestamps with configurable length constraints.

Transform your code into beautifully styled, email-compatible HTML snippets with syntax highlighting. Choose from multiple themes and languages, then export as inline-styled HTML or PNG for use in transactional emails and notifications.

Generate VAPID (Voluntary Application Server Identification) key pairs for web push notifications.