Beautify TOML Online — Free TOML Beautifier
Beautify TOML configs with consistent indentation. Optional comment stripping on parse-based beautify — see FAQ.
Features
Format with style and key-order options (comments not preserved on parse).
Format with style and key-order options (comments not preserved on parse).
Basic example
TOML source
Beautified TOML
Options
TOML conversion helpers
Use JSON → TOML, TOML → JSON, YAML → TOML or TOML → YAML for format conversion.
FAQ — Beautify TOML
Beautification
Why did comments disappear?
TOML parse drops # comments — documented limitation.
Minify instead?
Use TOML minifier with removeComments: false to keep # lines when possible.
pyproject.toml?
Same formatter works for Python project metadata — review PEP 621 fields after formatting.
Is my TOML uploaded to a server?
No. Beautification runs entirely in your browser — your TOML never leaves your device and is not stored by FastMinify.
Beautify vs unminify — which should I use?
Beautify formats readable TOML; unminify restores compressed output — try the TOML unminifier. For day-to-day formatting, stay on TOML beautifier.
Can I customize indentation?
Yes — pick 2 or 4 spaces or tabs in the Beautify options toolbar.
Beautify
Make code readable with consistent indentation — beautify JavaScript, CSS, TypeScript, SCSS, LESS, Markdown, GraphQL, SQL, YAML and more in your browser.
Explore other tool categories
Minify
Shrink code and assets for production — minify JavaScript, CSS, HTML, JSON and XML before gzip or CDN deploy.
Unminify
Expand minified or compressed code — unminify JavaScript, CSS, TypeScript, SCSS, LESS, SQL, YAML and other formats when debugging or reviewing.
Conversion
Transform data between JSON, YAML, XML and CSV locally — no server uploads.
Encoding
Encode or decode Base64, URL components and HTML entities — client-side only.
Serialization
Serialize and deserialize PHP data structures beside JSON workflows.
JSON Tools
Validate, format, diff and explore JSON payloads — complementary to minifiers and converters.
SVG Tools
Preview, optimize with SVGO, export Data URI, resize, beautify, convert to JSX and validate SVG — all in your browser.
CSS preprocessors
Compile SCSS or LESS to standard CSS in the browser — pair with beautify or minify for a full stylesheet workflow.
Color & CSS Tools
Paste-local WCAG contrast checking with modern CSS color syntax — pair and matrix views, never uploaded.
DevOps & Infra
Terraform HCL format/validate/minify, Dockerfile format & lint, Docker Compose and .env validation.
CI/CD
GitHub Actions and GitLab CI — format YAML and check workflow/job structure in your browser.
Logs & observability
Line-oriented JSON/NDJSON and Nginx/Apache access logs — format, filter, validate, and CSV/TSV.
Kubernetes
Multi-doc manifests, structural validate, Ingress/Deployment starters, and Helm values formatting.
Networking / IP
CIDR, subnets, and IPv4/IPv6 helpers — in your browser.
Security & tokens
JWKS, X.509 certificates, and secrets scan — browser-local.
API & schemas
OpenAPI tools to format, validate, and lint your specs.
HTTP Tools
Paste-local cURL, HTTP messages, URLs, HAR files, and Cookie / Set-Cookie headers — format and inspect in your browser, never sent.
SEO / Web Tools
Generate meta tags, Open Graph, and Twitter Card output locally — previews simulated from your inputs, never fetched from your live site.
Developer utilities
Timestamps, UUID, ULID, Nanoid, cron, passwords, regex, slugify, number bases, case, text diff, and chmod — all client-side.
Text & Markdown
Count words, build Markdown TOCs, and clean line lists — all in your browser.
AI & LLM
Token counting, pricing estimates, and context-window fit — 100% browser-local.
Test Data
Synthetic field values for fixtures and DB seed — reserved-range phone numbers first.
Barcode labels
Draw Code 128, EAN-13, and UPC-A label images in the browser — PNG and SVG download, not a GS1 lookup.