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    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Word Counter Online Utility</image:title>
      <image:caption>Count words, characters, sentences, paragraphs, and calculate estimated reading and speaking times.</image:caption>
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      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>JSON Formatter Online Utility</image:title>
      <image:caption>Format, validate, beautify, and minify JSON data with instant syntax error detection and indentation controls.</image:caption>
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    <loc>https://tooltux.com/tool/image-compressor</loc>
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    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Image Compressor Online Utility</image:title>
      <image:caption>Compress PNG, JPEG, and WebP images client-side with visual quality sliders and live file size savings.</image:caption>
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    <loc>https://tooltux.com/tool/pdf-tools</loc>
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    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>PDF Tools Online Utility</image:title>
      <image:caption>Generate, compose, format, and print documents directly to PDF with clean styling and custom layouts.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/qr-code-generator</loc>
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    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>QR Code Generator Online Utility</image:title>
      <image:caption>Create high-resolution scannable QR codes for URLs, text, WiFi, and contact links with color customization.</image:caption>
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    <loc>https://tooltux.com/tool/case-converter</loc>
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    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Case Converter Online Utility</image:title>
      <image:caption>Transform text into UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, and kebab-case.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/url-encoder-decoder</loc>
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    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>URL Encoder &amp; Decoder Online Utility</image:title>
      <image:caption>Percent-encode or decode URL query parameters, special characters, and full URI paths securely.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/password-generator</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Password Generator Online Utility</image:title>
      <image:caption>Generate strong cryptographically random passwords with custom symbols, numbers, and length parameters.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/text-diff-checker</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Text Diff Checker Online Utility</image:title>
      <image:caption>Compare two text blocks or code snippets side-by-side to highlight line additions, deletions, and differences.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/meta-tags-generator</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Meta Tag Generator Online Utility</image:title>
      <image:caption>Generate HTML meta tags, OpenGraph social sharing headers, and Twitter card tags for search engine optimization.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/password-strength-checker</loc>
    <lastmod>2026-10-26</lastmod>
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    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Password Strength Checker Online Utility</image:title>
      <image:caption>Analyze password entropy, crack time estimation, character composition, and security vulnerabilities.</image:caption>
    </image:image>
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    <loc>https://tooltux.com/tool/hash-generator</loc>
    <lastmod>2026-10-26</lastmod>
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    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Hash Generator Online Utility</image:title>
      <image:caption>Compute cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) for any text string instantly.</image:caption>
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  <url>
    <loc>https://tooltux.com/tool/hash-identifier</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Hash Identifier Online Utility</image:title>
      <image:caption>Identify unknown hash types based on length, character set, and structural signatures.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/base64-encoder-decoder</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Base64 Encoder &amp; Decoder Online Utility</image:title>
      <image:caption>Encode plain text or decode Base64 strings safely with live validation and error reporting.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/jwt-decoder</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>JWT Decoder Online Utility</image:title>
      <image:caption>Decode JSON Web Tokens (JWT) header and payload claims without sending secrets to any server.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/http-header-analyzer</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>HTTP Header Analyzer Online Utility</image:title>
      <image:caption>Parse, inspect, and analyze raw HTTP request/response headers for security flags and caching.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/ip-information-tool</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Browser &amp; Network Info Online Utility</image:title>
      <image:caption>Inspect local browser properties including user agent, language, timezone, screen and viewport dimensions, online state, and connection hints.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/security-headers-checker</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Security Headers Checker Online Utility</image:title>
      <image:caption>Paste raw HTTP response headers to audit CSP, HSTS, X-Frame-Options, nosniff, Referrer-Policy, Permissions-Policy, COOP, and CORP locally.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/xml-formatter-beautifier</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>XML Formatter &amp; Beautifier Online Utility</image:title>
      <image:caption>Beautify, format, and validate XML documents with indentation and syntax checking.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/code-minifier</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Code Minifier Online Utility</image:title>
      <image:caption>Minify JavaScript, CSS, and HTML code to optimize bundle sizes for production deployment.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/uuid-generator</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>UUID Generator Online Utility</image:title>
      <image:caption>Generate bulk cryptographically secure Version 4 UUIDs instantly with one click.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/regex-tester-debugger</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Regex Tester &amp; Debugger Online Utility</image:title>
      <image:caption>Test regular expressions against sample text with live matching, capture groups, and flags.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/timestamp-converter</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Timestamp Converter Online Utility</image:title>
      <image:caption>Convert Unix epoch timestamps to human-readable UTC and local dates instantly.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/color-code-converter</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Color Code Converter Online Utility</image:title>
      <image:caption>Convert color values seamlessly between HEX, RGB, HSL, CMYK, and HSV formats.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/markdown-previewer</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Markdown Previewer Online Utility</image:title>
      <image:caption>Write Markdown text and view rendered HTML output side-by-side in real-time.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/html-sandbox-viewer</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>HTML Sandbox &amp; Viewer Online Utility</image:title>
      <image:caption>Test HTML, CSS, and JavaScript snippets in a safe isolated browser iframe sandbox.</image:caption>
    </image:image>
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  <url>
    <loc>https://tooltux.com/tool/url-parser-inspector</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>URL Parser &amp; Inspector Online Utility</image:title>
      <image:caption>Deconstruct URIs into protocol, host, pathname, query parameters, and hash fragments.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/css-gradient-generator</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>CSS Gradient Generator Online Utility</image:title>
      <image:caption>Design beautiful linear and radial CSS gradients with custom stops and copy production code.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/css-box-shadow-generator</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>CSS Box Shadow Generator Online Utility</image:title>
      <image:caption>Generate layered depth box-shadow CSS styles with interactive sliders and color controls.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/border-radius-configurator</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Border Radius Configurator Online Utility</image:title>
      <image:caption>Configure complex organic border-radius shapes and corner curvatures visually.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/color-palette-generator</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Color Palette Generator Online Utility</image:title>
      <image:caption>Generate harmonious color palettes based on monochromatic, analogous, and triad schemes.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/svg-viewer-optimizer</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>SVG Viewer &amp; Optimizer Online Utility</image:title>
      <image:caption>Inspect, render, and clean SVG graphic code markup for optimized web performance.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/tool/robots-txt-generator</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Robots.txt Generator Online Utility</image:title>
      <image:caption>Generate standardized robots.txt files for search engine crawlers and sitemap references.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/sandbox-tools/html-viewer</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>HTML Viewer &amp; Sanitizer Sandbox Tool</image:title>
      <image:caption>Standalone HTML document viewer and DOM sanitizer hosted on subdomain.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/sandbox-tools/json-viewer</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>JSON Formatter &amp; Validator Sandbox Tool</image:title>
      <image:caption>Enterprise JSON syntax checker and tree explorer hosted on subdomain.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/sandbox-tools/regex-tester</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Regex Tester &amp; Debugger Sandbox Tool</image:title>
      <image:caption>Live regular expression testing, matching, and replacement hosted on subdomain.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/sandbox-tools/sql-formatter</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>SQL Formatter &amp; Query Builder Sandbox Tool</image:title>
      <image:caption>PostgreSQL, MySQL, and SQLite query formatter hosted on subdomain.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/sandbox-tools/jwt-inspector</loc>
    <lastmod>2026-10-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>JWT Token Inspector Sandbox Tool</image:title>
      <image:caption>Decode and verify JSON Web Token signatures hosted on subdomain.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/blog/formatting-validating-debugging-json-in-browser</loc>
    <lastmod>2026-10-22</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Formatting, Validating, and Debugging JSON in the Browser</image:title>
      <image:caption>Learn how strict RFC 8259 JSON differs from JavaScript object literals, how to track down trailing commas and encoding bugs, and how to format or minify JSON payloads safely in your browser.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/blog/http-security-headers-explained-hsts-csp</loc>
    <lastmod>2026-10-19</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>HTTP Security Headers Explained: HSTS, CSP, Frame Ancestors, and More</image:title>
      <image:caption>A practical breakdown of eight essential HTTP response security headers—what attacks each directive mitigates, common misconfigurations, and how to audit your headers locally.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/blog/md5-sha1-sha256-checksums-vs-password-hashing</loc>
    <lastmod>2026-10-15</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>MD5, SHA-1, and SHA-256 Checksums vs. Password Hashing Explained</image:title>
      <image:caption>Why fast cryptographic hash functions like MD5, SHA-1, and SHA-256 serve different jobs in integrity checking, and why storing user passwords requires slow, salted algorithms like Argon2id, scrypt, or bcrypt.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/blog/password-entropy-how-strength-checkers-work</loc>
    <lastmod>2026-10-11</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Password Entropy and How Strength Checkers Evaluate Credentials</image:title>
      <image:caption>Learn how password entropy in bits is calculated, why strict symbol composition rules often backfire, how pattern-aware strength estimators work, and how to generate truly random credentials.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://tooltux.com/blog/decoding-json-web-tokens-jwt-safely-in-browser</loc>
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      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Decoding JSON Web Tokens (JWTs) Safely Without Leaking Secrets</image:title>
      <image:caption>Understand the three Base64URL segments of an RFC 7519 JSON Web Token, why decoding is not signature verification, and why live bearer tokens belong only in local client-side tools.</image:caption>
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    <changefreq>weekly</changefreq>
    <priority>0.7</priority>
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      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Compressing Images and Optimizing SVGs for Faster Core Web Vitals</image:title>
      <image:caption>Choose the right image format between JPEG, PNG, WebP, and SVG, clean bloated vector markup, and set explicit HTML attributes to improve Largest Contentful Paint and eliminate layout shifts.</image:caption>
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    <changefreq>weekly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Practical Regular Expressions for Input Validation and Log Parsing</image:title>
      <image:caption>Build readable, reliable regular expressions using anchors, character classes, flags, and named capture groups—while avoiding catastrophic backtracking (ReDoS) in JavaScript and Node.js.</image:caption>
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    <loc>https://tooltux.com/blog/essential-meta-tags-opengraph-robots-txt-indexing</loc>
    <lastmod>2026-09-23</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>Essential Meta Tags, OpenGraph Cards, and robots.txt for Clean Indexing</image:title>
      <image:caption>Focus on the HTML head tags and crawler directives that search engines and social platforms actually use—and avoid the classic trap of blocking noindex pages inside robots.txt.</image:caption>
    </image:image>
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    <loc>https://tooltux.com/blog/url-percent-encoding-query-parsing-unix-timestamps</loc>
    <lastmod>2026-09-16</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://tooltux.com/og-image.png</image:loc>
      <image:title>URL Percent-Encoding, Query Parsing, and Unix Timestamps in API Debugging</image:title>
      <image:caption>Untangle broken query parameters, understand encodeURI vs. encodeURIComponent vs. URLSearchParams, and avoid seconds-versus-milliseconds Unix epoch bugs across APIs and webhooks.</image:caption>
    </image:image>
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