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.NET Config Converter - Free Online appsettings to env Converter | IconVault

Convert appsettings.json to .env format online. Nested sections become Section__Key pairs, connection strings shown in a table. Free, private, in browser.

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.NET Config Converter

appsettings.json to .env, parsed connection strings

5 of 5 free uses left

appsettings.json

5 of 5 free runs left - runs in your browser, nothing is uploaded.

.env output

Nested sections become Section__Key names, which .NET reads as the same configuration. Arrays use zero-based indexes.

About this tool

IconVault's .NET Config Converter turns appsettings.json into a .env file in one click. Nested sections are flattened into the Section__Key double-underscore format that .NET's environment variable configuration provider understands, and every entry in ConnectionStrings is parsed into a readable key-value table so you can inspect servers, databases and credentials at a glance.

The conversion runs 100% in your browser: your config, including database passwords and API keys, is never uploaded, logged or stored anywhere, making it safe for production settings. Paste or upload your JSON, copy the .env output or scan the connection string table, then drop the result into your container or CI pipeline. Visitors get 5 free conversions with no signup; IconVault Pro ($12/year) unlocks unlimited use of every developer tool.

Frequently asked questions

Popular searches

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