0U
ZeroUpload
Data & Dev Config • Zero-Server RAM Execution

Convert INI to TOML Online - Free, Local & Instant

Instant INI (.ini) to TOML (.toml) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.

Technical Comparison: INI vs TOML

Data & Dev Config
Specification INI (Source) TOML (Target)
Full Specification Initialization Configuration File (.ini / .cfg) Tom's Obvious, Minimal Language v1.0
File Extension & MIME .ini (text/plain) .toml (application/toml)
Data Typing Model Key = Value properties grouped by [section] headers Strong (strings, integers, floats, booleans, RFC 3339 dates, arrays)
Structure & Hierarchy Two-level section & property configuration Section tables [table] and [[array_of_tables]]
Comments Support Supported (; and # comments) Supported (# comment)
Primary Ecosystem PHP php.ini, Git .gitconfig, systemd units, desktop & game settings Rust Cargo.toml, Python pyproject.toml, Hugo static sites

INI to TOML — Before & After Example

Before (INI Input)
[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
After (TOML Output)
[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: INI to TOML

How do I convert INI to TOML online without uploading sensitive files? ▾

Paste your INI data or drag and drop a .ini file into the converter above. ZeroUpload parses INI and serializes TOML 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 INI and TOML? ▾

When converting hierarchical structures (Two-level section & property configuration) and tabular or config formats (Section tables [table] and [[array_of_tables]]), our engine automatically flattens or unflattens dot-separated keys (such as address.city) and preserves numbers, booleans, arrays, and null values.

Is this INI to TOML 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 INI, database exports, and production secrets.

Can I convert TOML back to INI? ▾

Yes! Click the "Swap (TOML → INI)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.