Convert TOML to INI Online - Free, Local & Instant
Instant TOML (.toml) to INI (.ini) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.
Technical Comparison: TOML vs INI
Data & Dev Config| Specification | TOML (Source) | INI (Target) |
|---|---|---|
| Full Specification | Tom's Obvious, Minimal Language v1.0 | Initialization Configuration File (.ini / .cfg) |
| File Extension & MIME | .toml (application/toml) | .ini (text/plain) |
| Data Typing Model | Strong (strings, integers, floats, booleans, RFC 3339 dates, arrays) | Key = Value properties grouped by [section] headers |
| Structure & Hierarchy | Section tables [table] and [[array_of_tables]] | Two-level section & property configuration |
| Comments Support | Supported (# comment) | Supported (; and # comments) |
| Primary Ecosystem | Rust Cargo.toml, Python pyproject.toml, Hugo static sites | PHP php.ini, Git .gitconfig, systemd units, desktop & game settings |
TOML to INI — Before & After Example
[app] name = "my-service" version = "1.4.2" port = 8080 debug = false [database] host = "localhost" port = 5432 user = "admin" password = "s3cr3t" pool_size = 10 [cache] enabled = true ttl_seconds = 3600
[app] name = my-service version = 1.4.2 port = 8080 debug = false [database] host = localhost port = 5432 user = admin password = s3cr3t pool_size = 10 [cache] enabled = true ttl_seconds = 3600
Frequently Asked Questions: TOML to INI
How do I convert TOML to INI online without uploading sensitive files? ▾
Paste your TOML data or drag and drop a .toml file into the converter above. ZeroUpload parses TOML and serializes INI 100% inside your browser RAM using local JavaScript—no bytes are ever sent to an external server.
How are nested objects or tabular columns mapped between TOML and INI? ▾
When converting hierarchical structures (Section tables [table] and [[array_of_tables]]) and tabular or config formats (Two-level section & property configuration), our engine automatically flattens or unflattens dot-separated keys (such as address.city) and preserves numbers, booleans, arrays, and null values.
Is this TOML to INI converter free for commercial and production config files? ▾
Yes. The tool is completely free, requires no account or API key, and works offline once loaded. Because execution happens in local memory, it is safe for proprietary TOML, database exports, and production secrets.
Can I convert INI back to TOML? ▾
Yes! Click the "Swap (INI → TOML)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.