# Monghoul > Monghoul is a fast MongoDB GUI for developers, built with Tauri. 33 MB installer, schema-aware autocomplete, visual aggregation builder, live cluster metrics, custom themes, and 70+ MCP tools for AI assistants. Free tier included, 14-day Pro trial with no card. Monghoul is a desktop application (Windows, macOS, Linux) for working with MongoDB databases. The product website at https://monghoul.com markets the desktop app and also hosts a set of free, in-browser developer tools (explain visualizer, EJSON converter, ObjectId decoder, connection string parser, BSON size calculator) and a comprehensive MongoDB aggregation reference. Key facts: - Built with Tauri (Rust + web tech), 33 MB installer. - Cross-platform: Windows 10+, macOS 11+ (Big Sur), Linux (Ubuntu 20.04+, Fedora 36+). - Schema-aware autocomplete pulled from real collection schemas, tracking fields through $lookup, $group, $facet, $replaceRoot. - Visual drag-and-drop aggregation pipeline builder with live preview and code/visual sync. - Live cluster metrics, slow query analysis, database profiler. - Result views: virtualized table, hierarchical tree, 8 chart types, explain plan with A-F performance grade. - Data generation up to 100,000 documents using 16 Faker categories. - 8 authentication methods including SCRAM, x509, LDAP, Kerberos, AWS IAM. - SSH tunneling plus SSL/TLS with custom certificates. - 70+ MCP (Model Context Protocol) tools for use with AI assistants. - Free tier and paid plans (Monthly, Annual, Lifetime). Lifetime includes 2 years of updates. - Source: https://github.com/Kontsedal/monghoul-public ## Core pages - [Home](https://monghoul.com/): Product overview, hero video, feature highlights, pricing summary. - [Features](https://monghoul.com/features/): Full feature breakdown of the MongoDB GUI, organized by query editor, aggregation builder, result views, cluster monitoring, schema analysis, data tools, security, and UI. - [Pricing](https://monghoul.com/pricing/): Monthly, Annual, and Lifetime plans. Free tier limits, Pro features, 14-day trial details. - [Download](https://monghoul.com/download/): Installers for Windows (.exe), macOS (.dmg), Linux (.deb, .rpm). Pulled from the latest GitHub release. ## Free developer tools - [MongoDB Aggregation Cheat Sheet](https://monghoul.com/aggregation-cheat-sheet/): Complete reference. Every pipeline stage, expression operator, accumulator, and 13 copy-paste patterns for real-world pipelines. - [MongoDB Explain Visualizer](https://monghoul.com/explain-visualizer/): Paste explain("executionStats") output and see the winning plan, stage pipeline, compound index suggestions, and performance insights. Free, in-browser. - [MongoDB Extended JSON Converter](https://monghoul.com/ejson-converter/): Convert between Extended JSON, plain JSON, canonical EJSON, and relaxed EJSON. Handles $oid, $date, $numberLong, $numberDecimal, $binary, $regex, $timestamp. - [MongoDB ObjectId Decoder](https://monghoul.com/objectid-decoder/): Decode any ObjectId into its embedded timestamp, process random bytes, and counter. Also generates ObjectIds for range queries on _id. - [MongoDB Connection String Parser](https://monghoul.com/connection-string-parser/): Parse mongodb:// or mongodb+srv:// URIs into username, hosts, database, options, with warnings about missing TLS, deprecated ssl, and other common mistakes. - [BSON Size Calculator](https://monghoul.com/bson-size-calculator/): Paste any MongoDB document to get its exact BSON size, its share of the 16 MB per-document limit, and a field-by-field byte breakdown. ## Legal - [Privacy Policy](https://monghoul.com/privacy/): How user data is handled. - [Terms of Service](https://monghoul.com/terms/): Licensing and usage terms. - [EULA](https://monghoul.com/eula/): End user license agreement for the desktop app. ## Optional - [Sitemap](https://monghoul.com/sitemap-index.xml): Full XML sitemap. - [GitHub repository](https://github.com/Kontsedal/monghoul-public): Public repository for release downloads and issue tracking.