$ Experience instant, browser-based tool execution. Zero server calls.
{
"name": "xfree",
"type": "micro-tool",
"fast": true
}// Working tools available now in the XFree Studio app
Format, validate, repair, and minify JSON data with instant tree inspect.
Test JS regex patterns live with match group tables and replacements.
Extract links from HTML and generate Google XML sitemaps with priority.
Generate meta titles, descriptions, and preview social cards.
Decode OAuth JWT tokens and convert Base64 strings safely.
Generate cron expressions with human-readable output.
// Find the right XFree tool in the right category.
Sitemaps, meta tags, schema, crawl, URL tools
Formatters, validators, debuggers, regex, encoding
Prompt tools, token counters, LLM utilities
Word count, diff, case conversion
JSON, CSV, Base64, YAML converters
UUID, QR, password, cron generators
JSON Schema, HTML, CSS validators
Hash, encrypt, JWT, HMAC tools
Image, video, PDF, document utilities
Finance, marketing, productivity tools
Compression, resizing, format conversion
Compression, conversion, GIF creation
PDF conversion, editing, extraction
// Your data stays in your browser. XFree believes powerful tools should be private, fast, and hassle-free.
XFree tools process your data inside your browser session using JavaScript and WebAssembly. Each tool page clearly discloses its processing mode. No data is sent to external servers unless explicitly required and labeled.
No uploads, no waits. Get instant results every time. Zero network latency for local processing. All computation happens directly in your browser JavaScript engine with WebAssembly optimization.
No clutter. No complexity. Just the right XFree tool to get X done. Each tool is focused on a single task, designed for developers who need fast, reliable results.
Three steps. Zero sign-up. Your data stays in your browser by default.
Find any XFree tool via search, category filters, or pillar hubs.
Drop your input — JSON, text, URLs, code — and get results. Processing runs in XFree Local Mode by default within your browser.
One-click copy to clipboard. Export as file. Your data stays in your local session by default. Close the tab and everything is cleared.
// Chain multiple XFree tools together for powerful workflows.
Format, decode, and validate API payloads
Generate and validate SEO assets
Test authentication and encryption flows
The most comprehensive developer tool taxonomy. Each XFree pillar connects specialized clusters with dedicated micro-tools.
Complete JSON toolkit: formatter, validator, minifier, flattener, sorter, diff, viewer, converter to CSV/YAML/XML, query builder, schema generator
Master regex: tester, explainer, builder, cheat sheet, debugger, visualizer, pattern library, matcher, replacer, batch processor
All encodings: Base64, URL, Hex, Binary, ASCII, Unicode, HTML entities, JWT, Morse code, and cross-format converters
Auto-format code: Prettier, ESLint, beautifiers for JS, TS, Python, Go, Rust, Java, C++, Ruby, PHP, SQL, HTML, CSS, SCSS, JSON, YAML, TOML
Validate and debug: JSON Schema, YAML, XML, TOML, INI, CSS, SQL, GraphQL, OpenAPI, regex, email, URL, phone, credit card
Build APIs: OpenAPI/Swagger generator, REST client, GraphQL explorer, POSTMAN alternatives, curl builder, request tester, endpoint monitor
Database utilities: SQL formatter, query builder, schema designer, migration generator, ER diagram maker, index analyzer, data type converter
Git utilities: diff viewer, merge conflict resolver, commit message formatter, branch name generator, tag manager, stash organizer
Terminal utilities: command builder, cron expression generator, systemd timer converter, systemd generator, shell script optimizer, path manipulator
Generate sitemaps: XML sitemap, HTML sitemap, video sitemap, image sitemap, news sitemap, mobile sitemap, RSS feed, XML index files
Create meta tags: Open Graph, Twitter cards, Facebook, LinkedIn, Pinterest, schema markup, canonical tags, robots meta, viewport
JSON-LD tools: FAQ schema, HowTo schema, Product schema, Recipe schema, Review schema, BreadcrumbList, Organization, WebSite, Article
The XFree taxonomy maps a growing catalog of micro-tool concepts. Tools that are not yet built are tracked on our public XFree roadmap.
// Common questions about XFree app, tools, privacy, and the platform.
// Join thousands of users already building a smarter, more open web with XFree.
Simple Tools Extraordinary Freedom.