Taplo

Taplo is ranked #3 of 34 in code formatting tools on The Geeks Club. It runs on API, Browser extension, Linux, macOS, Windows. There is a free plan.

Taplo plans and pricing

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Taplo Free No paid tiers or usage limits are stated on the official pages reviewed. taplo.tamasfe.dev · 4 Oct 2026

Compared on code formatting tools

Free plan: Yes
Supported languages: TOML
Supported platforms: Linux, macOS, Windows, Node.js, Docker
Editor integration: Yes
Ignore files: Yes
Library API: Yes
License model: open_source

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Taplo

Purpose: Taplo is a TOML toolkit for validating, formatting, and querying TOML documents.
TOML support: Taplo supports TOML 1.0.0.
Validation: Taplo validates TOML syntax and semantic errors such as duplicate keys, and supports JSON Schema Draft 4 validation.
Formatting: The formatter can edit files in place or use standard input and output, and it stops on syntax errors by default to avoid destructive edits.
Conversion and queries: The CLI converts TOML to JSON and extracts values using query expressions.
Language server: The TOML language server communicates over standard input/output or TCP; multiple TCP clients are not supported.
Language server limit: The language server is excluded from default builds and is unavailable in the NPM installation.
Extension status: The Visual Studio Code listing describes the extension as a preview that may contain bugs or crash.
Schema integration: Taplo supports schema catalogs such as JSON Schema Store for retrieving schemas and matching them to files by name.
Install options: The CLI is available as precompiled releases, through Cargo, Homebrew, NPM, and Docker.
Supported operating systems: Precompiled releases are listed for Linux, macOS, and Windows on several architectures.
Embedding: Taplo aims to be embeddable in software across programming languages and environments.
Security and trust: The official pages reviewed do not state security certifications or compliance claims.
Price from: Free

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Where it ranks on The Geeks Club

Best Code Formatting Tools in 2026#3 of 34

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Sources

taplo.tamasfe.dev/cli/introduction.html· checked 4 Oct 2026
taplo.tamasfe.dev· checked 4 Oct 2026
taplo.tamasfe.dev/cli/usage/validation.html· checked 4 Oct 2026
taplo.tamasfe.dev/cli/usage/formatting.html· checked 4 Oct 2026
taplo.tamasfe.dev/cli/usage/conversion-and-extraction.htm· checked 4 Oct 2026
taplo.tamasfe.dev/cli/usage/language-server.html· checked 4 Oct 2026
marketplace.visualstudio.com/items· checked 4 Oct 2026
taplo.tamasfe.dev/cli/installation/binary.html· checked 4 Oct 2026
taplo.tamasfe.dev/lib/introduction.html· checked 4 Oct 2026