Parsers and serialisers

12-month change compares the average of the last 4 weeks of downloads with the first 4 weeks of the 52-week series. Gzip size is for the whole package, as measured by Bundlephobia. "-" means the value has not been fetched.

• @sveltepress/theme-defaultThe default theme for sveltepress
• zod-matterTypesafe front matter
• @gerhobbelt/ast-typesEsprima-compatible implementation of the Mozilla JS Parser API
• @convex-dev/typedoc-plugin-markdownA plugin for TypeDoc that enables TypeScript API documentation to be generated in Markdown.
• remark-licenseremark plugin to generate a license section
• llama3-tokenizer-jsJS tokenizer for LLaMA 3
• @convex-dev/docusaurus-plugin-typedocA Docusaurus v2 plugin to build API documentation with TypeDoc.
• @glyphjs/parserMarkdown parser with remark plugin for ui: fenced blocks
• @trybyte/robotstxt-parserCompile robots.txt rules for Google-compatible or strict RFC 9309 matching
• mega-linter-runnerLocal runner for MegaLinter
• @gr2m/gray-matterParse front-matter from a string or file. Fast, reliable and easy to use. Parses YAML front matter by default, but also has support for YAML, JSON, TOML or Coffee Front-Matter, with options to set custom delimiters. Used by metalsmith, assemble, verb and
• dom-parseHTML/XML to DOM parser for browsers and Node.js
• @effected/jsoncZero-dependency JSONC parsing, editing and formatting as Effect schemas.
• mqtt-jsonl-storeJSONL store for in-flight MQTT.js packets.
• @docmd/plugin-pwaProgressive Web App (PWA) plugin for docmd.
• storejsLocal storage localstorage package provides a simple API
• @ogma/nestjs-moduleA NestJS module for the Ogma logger
• map-values-deepRecursive lodash.mapValues
• assembleGet the rocks out of your socks! Assemble makes you fast at creating web projects. Assemble is used by thousands of projects for rapid prototyping, creating themes, scaffolds, boilerplates, e-books, UI components, API documentation, blogs, building websit
• @effected/yamlZero-dependency YAML parsing, editing, formatting and linting as Effect schemas.
• sql-ddl-to-json-schemaParse and convert SQL DDL statements to a JSON Schema.
• @cartamd/plugin-codeThis plugin adds support for code blocks **syntax highlighting**. It uses the same highlighter from the core package(Shiki).
• @jdalton/simple-xml-to-jsonConvert XML to JSON - Fast & Simple
• remark-contributorsremark plugin to inject a given list of contributors into a table
• vite-plugin-satteriVite plugin for processing Markdown and MDX with Sätteri
• beautiful-domBeautiful-dom is a lightweight library that mirrors the capabilities of the HTML DOM API needed for parsing crawled HTML/XML pages. It models the methods and properties of HTML nodes that are relevant for extracting data from HTML nodes. It is written in
• node-html-lightHTML Parser for NodeJS providing a lightweight object oriented interface
• @gjsify/domparserDOMParser for GJS — HTML5 parser, XML scanner, CSS Selectors 4 engine and the full entity table, dependency-free
• @shexjs/parserShape Expressions Compact Syntax (ShExC) parser.
• @dualmark/nextjsNext.js App Router adapter for the Dualmark AEO framework. Drop-in proxy/middleware + route-handler factory + withDualmark() config wrapper. Same API surface as @dualmark/astro.
• @conversion-ai/md-to-react-emailA simple Markdown to jsx parser for email templates written in typescript.
• @ansi-tools/parserANSI escape code parser and tokenizer. Parse terminal control sequences (CSI, SGR, OSC, DCS) from strings. Zero dependencies.
• slimdom-sax-parserParse an XML string to a light-weight spec-compliant document object model, for browser and Node
• ngx-export-as[](https://badge.fury.io/js/ngx-export-as) [](https://opensource.org/licenses/MIT)
• fetch-jsonA wrapper around Fetch just for JSON
• gulp-yamlConvert YAML to JSON
• env2jsonExport environment variables to JSON or JavaScript
• rehype-katex-notranslateAdd the attribute translate="no" to the katex formula generated by rehype-katex to prevent the formulas from being recognized and translated by webpage translation tools.
• markdown-it-brtag for markdown-it markdown parser.
• @ox-content/vite-pluginVite plugin for Ox Content - High-performance Markdown processing with Environment API
• xml-js-v2A fork of xml-js with some improvements. A convertor between XML text and Javascript object / JSON text.
• jse-evalJavaScript expression parsing and evaluation.
• @panache-cli/panacheAn LSP, formatter, and linter for Pandoc markdown, Quarto, and RMarkdown
• react-native-html-parsercan use html/xml parser in react-native/titanium/browser anywhere
• @parvineyvazov/json-translatorTranslate your JSON file or object into another languages with Google Translate API
• markdown-it-fencefence customize plugin for markdown-it
• @mdx-js/vueVue provider for MDX
• csv-validatorcsv parser with validator
• typstA new markup-based typesetting system that is powerful and easy to learn.
• node-liefNode.js bindings for LIEF, a library to parse and manipulate ELF, PE, and Mach-O executables.

• htmlparser2 vs cssom
• css-tree vs lightningcss
• esprima vs meriyah
• markdown-it vs markdown-exit
• turndown vs showdown
• @mdxeditor/editor vs @uiw/react-md-editor
• markdownlint-cli2 vs markdownlint-cli
• @mdx-js/react vs @mdxeditor/editor
• @uiw/react-md-editor vs markdown-exit
• @uiw/react-md-editor vs easymde
• @mdxeditor/editor vs easymde
• react-markdown vs @mdx-js/react
• @mdx-js/react vs markdown-to-jsx
• defuddle vs md-to-pdf
• pino vs roarr
• cheerio vs html-react-parser
• htmlparser2 vs html-react-parser
• react-markdown vs markdown-to-jsx
• @mdxeditor/editor vs react-native-enriched-markdown
• @microsoft/tsdoc vs jsdoc-to-markdown
• markdown-exit vs snarkdown
• doctoc vs jsdoc-to-markdown
• react-markdown vs @mdxeditor/editor
• snarkdown vs @tryfabric/martian
• turndown vs snarkdown
• conf vs convict
• markdown-it vs turndown
• xlsx vs fast-formula-parser
• json-schema-to-ts vs prisma-json-types-generator
• @microsoft/tsdoc vs vue-docgen-api