$ XFree Tool Pillars
55 organized tool hubs covering JSON data tools, regex patterns, SEO utilities, security tools, and more.
⚡Developer Tools(9 hubs)
XFree JSON Data Tools Hub
Complete JSON toolkit: formatter, validator, minifier, flattener, sorter, diff, viewer, converter to CSV/YAML/XML, query builder, schema generator
15 toolsXFree Regex & Pattern Tools Hub
Master regex: tester, explainer, builder, cheat sheet, debugger, visualizer, pattern library, matcher, replacer, batch processor
12 toolsXFree Encoding & Conversion Tools Hub
All encodings: Base64, URL, Hex, Binary, ASCII, Unicode, HTML entities, JWT, Morse code, and cross-format converters
18 toolsXFree Code Formatters Hub
Auto-format code: Prettier, ESLint, beautifiers for JS, TS, Python, Go, Rust, Java, C++, Ruby, PHP, SQL, HTML, CSS, SCSS, JSON, YAML, TOML
20 toolsXFree Validators & Debuggers Hub
Validate and debug: JSON Schema, YAML, XML, TOML, INI, CSS, SQL, GraphQL, OpenAPI, regex, email, URL, phone, credit card
16 toolsXFree API Development Tools Hub
Build APIs: OpenAPI/Swagger generator, REST client, GraphQL explorer, POSTMAN alternatives, curl builder, request tester, endpoint monitor
14 toolsXFree Database Tools Hub
Database utilities: SQL formatter, query builder, schema designer, migration generator, ER diagram maker, index analyzer, data type converter
12 toolsXFree Version Control Tools Hub
Git utilities: diff viewer, merge conflict resolver, commit message formatter, branch name generator, tag manager, stash organizer
10 toolsXFree Shell & Command Tools Hub
Terminal utilities: command builder, cron expression generator, systemd timer converter, systemd generator, shell script optimizer, path manipulator
11 tools🌐Web & SEO Tools(7 hubs)
XFree Sitemap Generator Tools Hub
Generate sitemaps: XML sitemap, HTML sitemap, video sitemap, image sitemap, news sitemap, mobile sitemap, RSS feed, XML index files
12 toolsXFree Meta Tag Generator Tools Hub
Create meta tags: Open Graph, Twitter cards, Facebook, LinkedIn, Pinterest, schema markup, canonical tags, robots meta, viewport
15 toolsXFree Schema Markup Tools Hub
JSON-LD tools: FAQ schema, HowTo schema, Product schema, Recipe schema, Review schema, BreadcrumbList, Organization, WebSite, Article
18 toolsXFree SEO Audit Tools Hub
Audit websites: broken link checker, redirect tracker, canonical checker, hreflang validator, mobile-friendly test, page speed insight
14 toolsXFree Performance Optimization Tools Hub
Speed up sites: image optimizer, CSS minifier, JS minifier, HTML minifier, GZIP compressor, cache headers generator, CDN checker
12 toolsXFree URL Analysis Tools Hub
Analyze URLs: parser, encoder, decoder, slug generator, UTM builder, redirect checker, URL shortener, bulk URL opener, link extractor
12 toolsXFree Accessibility Testing Tools Hub
Test accessibility: WCAG checker, contrast ratio, alt text validator, ARIA label checker, screen reader simulator, keyboard nav tester
10 tools🧠AI & Automation Tools(5 hubs)
XFree Prompt Engineering Tools Hub
Perfect prompts: optimizer, chain-of-thought builder, few-shot generator, prompt templates, A/B tester, token counter, cost estimator
14 toolsXFree LLM Utilities Hub
LLM helpers: token counter, model comparator, output parser, JSON extractor, temperature tester, top-K/P sampler, embedding generator
12 toolsXFree RAG & Knowledge Base Tools Hub
Build RAG: document chunker, embedding visualizer, vector similarity search, retrieval evaluator, knowledge graph builder, context window optimizer
10 toolsXFree AI Agent Tools Hub
Agent utilities: tool use simulator, planning engine, memory builder, action logger, chain executor, multi-agent orchestrator template
11 toolsXFree AI Content Generation Tools Hub
Generate content: article writer, product descriptions, social posts, email templates, ad copy, landing page copy, SEO descriptions
13 tools📁Media & Documents Tools(4 hubs)
XFree PDF Conversion Tools Hub
Convert PDFs: Word to PDF, Excel to PDF, PowerPoint to PDF, HTML to PDF, Markdown to PDF, images to PDF, PDF to images/documents
15 toolsXFree PDF Editing Tools Hub
Edit PDFs: merge, split, extract pages, rotate, delete pages, add watermark, add page numbers, compress, encrypt, decrypt
14 toolsXFree Document Converter Tools Hub
Convert documents: DOCX to Markdown, Markdown to DOCX, ODT to PDF, RTF to TXT, ePub to Mobi, LaTeX to HTML, ReStructuredText converter
16 toolsXFree Markdown Tools Hub
Markdown utilities: editor with preview, table generator, task list maker, code fence inserter, link reference builder, TOC generator
12 tools🔒Security & Privacy Tools(6 hubs)
XFree Hash Generator Tools Hub
Generate hashes: MD5, SHA-256, SHA-512
15 toolsXFree Password Generator & Manager Tools Hub
Password security: generator, strength checker, hash extractor, breach checker (HIBP), passphrase generator
12 toolsXFree Token Decoder & Encoder Tools Hub
Decode tokens: JWT decoder, SAML decoder, OAuth token parser, OIDC ID token parser, SASL mechanism selector, token expiry checker
11 toolsXFree Encryption & Decryption Tools Hub
Encrypt data: AES-256-GCM, AES-256-CBC, RSA key pair generator, PGP encrypt/decrypt, symmetric key generator, IV/nonce generator
13 toolsXFree SSL & Certificate Tools Hub
SSL utilities: certificate decoder, CSR generator, key pair generator, certificate chain validator, PEM to DER converter, expiry checker
10 toolsXFree DNS & Network Tools Hub
Network tools: DNS lookup, WHOIS lookup, reverse DNS, MX record checker, SPF record validator, DKIM verifier, DMARC analyzer
12 tools💼Business & Productivity Tools(5 hubs)
XFree Text Analysis & NLP Tools Hub
Analyze text: word counter, sentence counter, paragraph counter, character counter, reading time calculator, keyword density analyzer
14 toolsXFree Case Conversion Tools Hub
Convert text case: lowercase, UPPERCASE, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE
10 toolsXFree List & Table Utilities Hub
Process lists: sorter, deduplicator, merger, splitter, randomizer, sampler, pagination maker, JSON to table converter, CSV editor
13 toolsXFree Calculator & Converter Tools Hub
Calculate anything: loan calculator, tip calculator, percentage calculator, unit converter, currency converter, date calculator, age calculator
16 toolsXFree Generator & Random Data Tools Hub
Generate data: UUID v4/v7, random string, Lorem Ipsum, fake data (names, emails, addresses), lotto numbers, password, PIN code, random color
14 tools📄PDF Tools(2 hubs)
XFree PDF Extraction Tools Hub
Extract from PDFs: text extractor, image extractor, page extractor, table extractor, metadata extractor, signature extractor, form data extractor
10 toolsXFree PDF Protection Tools Hub
Secure PDFs: password protect, remove password, encryption level selector, permission setter, digital signature adder, certificate attach
9 tools🖼️Image Tools(3 hubs)
XFree Image Format Converter Tools Hub
Convert images: PNG to JPG, JPG to PNG, WEBP converter, GIF to MP4, SVG optimizer, HEIC to JPG, AVIF converter, ICO generator
14 toolsXFree Image Optimization Tools Hub
Optimize images: compressor, resizer, cropper, rotator, flipper, scaler, aspect ratio adjuster, batch processor, quality analyzer
12 toolsXFree Image Analysis & Metadata Tools Hub
Analyze images: EXIF viewer, metadata editor, GPS location extractor, camera info viewer, color palette extractor, dominant color finder
10 tools🎬Video Tools(3 hubs)
XFree Video Conversion Tools Hub
Convert videos: MP4 to WEBM, AVI to MP4, MOV to GIF, MKV to MP4, FLV to MP4, WebM to MP4, audio extractor, video to audio
12 toolsXFree Video Editing Tools Hub
Edit videos: trimmer, cutter, joiner, speed changer, reverse player, loop generator, frame extractor, thumbnail maker
11 toolsXFree GIF Creation Tools Hub
Create GIFs: video to GIF, image sequence to GIF, GIF optimizer, GIF resizer, GIF cropper, GIF speed editor, GIF reverse
10 tools📝Text Tools(4 hubs)
XFree Diff & Comparison Tools Hub
Compare text: line-by-line diff, word diff, character diff, side-by-side diff, merge conflict resolver, three-way merge, JSON diff
12 toolsXFree Text Cleaning & Formatting Tools Hub
Clean text: remove whitespace, remove line breaks, remove duplicate lines, trim spaces, normalize unicode, remove accents, case normalizer
11 toolsXFree Text Extraction Tools Hub
Extract text: URL extractor, email extractor, phone number extractor, IP extractor, hashtag extractor, mention extractor, number extractor
10 toolsXFree Text Translation & Romanization Tools Hub
Translate text: romanization (Hiragana, Katakana, Korean, Chinese), pinyin tone remover, IPA transcription, language detector
9 tools🎨Design & UI/UX Tools(3 hubs)
XFree Color Tools & Palette Generators Hub
Color utilities: HEX to RGB, RGB to HEX, HSL converter, color picker, palette generator, contrast checker, color blind simulator, tint generator
14 toolsXFree Typography Tools Hub
Typography utilities: font pairing suggester, font size converter, line height calculator, letter spacing adjuster, text to ASCII art
10 toolsXFree Mockup & Wireframe Tools Hub
Create mockups: placeholder image generator, wireframe shapes, device frame generator, screenshot to mockup, browser mockup maker
8 tools⚙️Productivity & Automation(4 hubs)
XFree Task & Workflow Automation Tools Hub
Automate tasks: workflow builder, task template, recurring scheduler, reminder setter, Pomodoro timer, habit tracker template, to-do list maker
12 toolsXFree Note-Taking & Documentation Tools Hub
Take notes: Markdown editor, outliner, mind map maker, note linker, tag organizer, search across notes, export to PDF/HTML
11 toolsXFree Meeting Productivity Tools Hub
Meeting tools: agenda generator, meeting notes template, action item tracker, summary generator, transcription formatter, time zone converter
10 toolsXFree Data Visualization Tools Hub
Visualize data: table generator, chart data formatter, JSON to table, CSV to chart, mermaid diagram builder, flowchart maker, graph visualizer
12 tools