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Convert Python Dict to TOML Online - Free, Local & Instant

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

Python Dict → TOML ⇄ Swap (TOML → Python Dict)

Technical Comparison: Python Dict vs TOML

Data & Dev Config
Specification Python Dict (Source) TOML (Target)
Full Specification Python Dictionary & List Literal Tom's Obvious, Minimal Language v1.0
File Extension & MIME .py (text/x-python) .toml (application/toml)
Data Typing Model Python native True, False, None, dict {}, and list [] literals Strong (strings, integers, floats, booleans, RFC 3339 dates, arrays)
Structure & Hierarchy Nested dictionaries and lists ready for Python scripts Section tables [table] and [[array_of_tables]]
Comments Support Supported (# comment) Supported (# comment)
Primary Ecosystem Django settings, FastAPI fixtures, data science notebooks, ETL scripts Rust Cargo.toml, Python pyproject.toml, Hugo static sites

Python Dict to TOML — Before & After Example

Before (Python Dict Input)
data = [
  {
    "id": 1,
    "name": "Alice Johnson",
    "email": "alice@example.com",
    "role": "admin",
    "active": True,
    "score": 98.5,
    "address": {
      "city": "Berlin",
      "country": "DE",
    },
  },
  {
    "id": 2,
    "name": "Bob Smith",
    "email": "bob@example.com",
    "role": "editor",
    "active": False,
    "score": 87,
    "address": {
      "city": "Austin",
      "country": "US",
    },
  },
  {
    "id": 3,
    "name": "Chiara Rossi",
    "email": "chiara@example.com",
    "role": "viewer",
    "active": True,
    "score": 91.25,
    "address": {
      "city": "Milan",
      "country": "IT",
    },
  },
]
After (TOML Output)
[[items]]
id = 1
name = "Alice Johnson"
email = "alice@example.com"
role = "admin"
active = true
score = 98.5

[items.address]
city = "Berlin"
country = "DE"

[[items]]
id = 2
name = "Bob Smith"
email = "bob@example.com"
role = "editor"
active = false
score = 87

[items.address]
city = "Austin"
country = "US"

[[items]]
id = 3
name = "Chiara Rossi"
email = "chiara@example.com"
role = "viewer"
active = true
score = 91.25

[items.address]
city = "Milan"
country = "IT"

Frequently Asked Questions: Python Dict to TOML

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

Paste your Python Dict data or drag and drop a .py file into the converter above. ZeroUpload parses Python Dict 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 Python Dict and TOML? ▾

When converting hierarchical structures (Nested dictionaries and lists ready for Python scripts) 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 Python Dict 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 Python Dict, database exports, and production secrets.

Can I convert TOML back to Python Dict? ▾

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