Mailhardener Tools
mailhardener.comValidate mail-domain records and transport policies
Validate mail-domain records and transport policies
Check web and mail-domain configuration in one validation form
Inspect authentication and spam-analysis results from a test email
Private-search routing with disclosed query logging and advertising partners
Internet suite with a shared manager for cookies, permissions and stored data
An offline-first mobile vault with optional personal-cloud syncing
Certificate-based encrypted overlay for your own hosts
Managed business VPN with user, device and resource rules
Windows batch converters with command-line support
A terminal mail client with PGP/MIME and extensive configuration
Managed email hosting with an integrated encryption gateway
Email encryption with delivery records and administrative integration
Search book and author records in batches and return work, edition, and cover identifiers.
Organize team knowledge with topic-based wiki content and search across connected tools.
A local-first knowledge notebook that combines text, handwriting, boards, and linked notes.
Native Markdown notes for Mac and iPhone, stored in files you can open elsewhere.
Retrieve Search Console performance and indexing data into Google Sheets.
Prioritize existing search content with Search Console data and follow later performance.
Web search with separate controls for optional account features
Canadian politics, business and international reporting
Free AI image search with text and image upload
Vector search engine for AI retrieval, with open-source and managed cloud options.
Use a small Java SQL database in embedded, in-memory, or client/server mode through JDBC.