TOML Syntax Validator & Formatter — Free & Private

Validate TOML configuration files (Cargo.toml, pyproject.toml), detect syntax errors, and inspect parsed tables and keys.

Part of Data & Web Converters. Runs 100% in your browser: your files and data never leave your device. No signup, no ads.

More in Data & Web Converters

• CSV ↔ JSON Data Converter
• CSV to Markdown & SQL Table
• YAML ↔ JSON Converter
• JSON to TypeScript & Zod
• cURL to Code Converter
• SVG to Data URI Studio
• Instant Image Compressor
• TSV to JSON Converter
• JSON to CSV & TSV Converter
• INI & Properties File Editor
• NDJSON & JSON Lines Viewer
• CSV to SQL INSERT Converter

Browse all free tools