What is Visual EXPLAIN and how does it work?

It's a web tool that converts Postgres EXPLAIN (YAML) output into clickable SVG diagrams, highlighting costs, operators, and data flows for faster debugging.

Does Visual EXPLAIN support databases besides Postgres?

Not yet—focused on Postgres, but open-source code makes forking for MySQL or others straightforward.

Is Visual EXPLAIN free and open source?

Yes, MIT license on GitHub; no strings, run it locally or host yourself.

☁️ Cloud & Databases

Visual EXPLAIN: The Tool That Finally Makes Query Plans Bearable

Database query plans have always been a cryptic mess. One dev's homebrew visual tool promises to fix that, turning spaghetti code trees into something you can actually grok.

theAIcatchup Apr 11, 2026 4 min read

Interactive SVG diagram of a Postgres query plan from Visual EXPLAIN tool

⚡ Key Takeaways

Visual EXPLAIN transforms cryptic Postgres query plans into interactive diagrams, slashing debug time. 𝕏
Open-source and lightweight, but needs IDE integrations to go mainstream. 𝕏
Stands out from pgAdmin by handling complex modern Postgres features like JIT and parallel queries. 𝕏

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theAIcatchup

Community-driven. Code-first.

#Postgres #database optimization #database visualization #postgres query plans #query optimization #query plans #visual-explain

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Originally reported by Reddit r/programming

⚡ Key Takeaways

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