Convert TOML to ENV Online - Free, Local & Instant
Instant TOML (.toml) to ENV (.env) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.
Technical Comparison: TOML vs ENV
Data & Dev Config| Specification | TOML (Source) | ENV (Target) |
|---|---|---|
| Full Specification | Tom's Obvious, Minimal Language v1.0 | Dotenv Environment Variable File (.env) |
| File Extension & MIME | .toml (application/toml) | .env (text/plain) |
| Data Typing Model | Strong (strings, integers, floats, booleans, RFC 3339 dates, arrays) | UPPER_SNAKE_CASE key=value strings (with quote escaping) |
| Structure & Hierarchy | Section tables [table] and [[array_of_tables]] | Flat key-value pairs (nested paths joined with underscores) |
| Comments Support | Supported (# comment) | Supported (# comment) |
| Primary Ecosystem | Rust Cargo.toml, Python pyproject.toml, Hugo static sites | Docker containers, Node.js process.env, Next.js, Laravel, 12-Factor apps |
TOML to ENV — 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 APP_VERSION=1.4.2 APP_PORT=8080 APP_DEBUG=false DATABASE_HOST=localhost DATABASE_PORT=5432 DATABASE_USER=admin DATABASE_PASSWORD=s3cr3t DATABASE_POOL_SIZE=10 CACHE_ENABLED=true CACHE_TTL_SECONDS=3600
Frequently Asked Questions: TOML to ENV
How do I convert TOML to ENV 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 ENV 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 ENV? ▾
When converting hierarchical structures (Section tables [table] and [[array_of_tables]]) and tabular or config formats (Flat key-value pairs (nested paths joined with underscores)), 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 ENV 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 ENV back to TOML? ▾
Yes! Click the "Swap (ENV → TOML)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.