Advance Custom HTML – Show Off Code Snippets with Live Preview vs Nexter Extension – Security, Performance, Code Snippets & Site Toolkit

Share HTML, CSS, JavaScript, PHP, and Python snippets that readers can see, copy, and watch run live – right inside your posts and pages. Advance Custom HTML | Pricing | Support | Live Demo Why Advance Custom HTML? Plain code dumps are hard to read and impossible to interact with. Advance Custom HTML lets you display HTML, CSS, JavaScript, PHP, Python, and other code snippets in WordPress posts, pages, or widgets with built-in syntax highlighting, a clean code editor, and live preview support – so your readers see the code and the result side by side. The plugin includes a front-end code editor with a draggable preview panel, multiple syntax themes, and customizable settings for formatting and appearance. It is ideal for tutorials, technical articles, and documentation – a flexible, responsive way to embed and present code with real-time results. Free Features Edit Code with Live Preview: Write code and see the rendered output together in the editor. Live Output Preview: See the results of your code instantly. Autocomplete Suggestions: Get smart suggestions while writing code. Draggable Preview Panel: Move the output panel anywhere on screen. Editor Font Size: Set the font size that suits your content. Fully Responsive: Mobile-friendly code blocks and preview panels on every device. Lightweight and Fast: Built for performance so your pages stay quick. Pro Version – Unlock Advanced Controls The Pro version offers extended customization and control over code presentation and layout. Pro features include: Choose from 40+ editor themes (dark, light, minimal, and more). Adjust tab size, line wrapping, and editor height/width. Change syntax mode per snippet: HTML, CSS, JS, PHP, Python, and more. Toggle features: copy button, fold gutter, highlight active line, and more. Customize the Copy to Clipboard button text, icon, style, and position. Hide headings or labels for a clean, minimalist look. Show or hide line numbers to simplify code presentation. Enable or disable wrap to control line flow in your editor. Set the code editor/snippet height and width, and align left, center, or right. Fold gutter support for collapsing code blocks. Highlight active line toggle for easier focus during tutorials. How to Use – Quick Start Install and activate Advance Custom HTML. Open the editor for any post or page. Click Add Block and select Advance Custom HTML under Widgets. Write or paste your code. Customize the settings (theme, preview, copy button). Publish or update the content. Live Demo | Buy The Pro Use Cases HTML/CSS Tutorials: Write and preview front-end lessons with live results. JavaScript Demos: Embed snippets with instant, interactive output. PHP Education: Display PHP code cleanly in courses and articles. Data Science Blogs: Show Python syntax with proper highlighting. Developer Documentation: Publish API guides and reference docs. Interactive Articles: Create code content readers can explore with live editing. Perfect for bloggers, tech writers, instructors and course creators, web developers, software product sites, and anyone publishing HTML, JS, CSS, PHP, or Python code. Check out our other WordPress Plugins- Html5 Video Player – Display videos as single and playlist in multiple skins. PDF Poster – Display/Embed PDF files with different styles. Html5 Audio Player – Listen audios with awesome visuals. StreamCast – Customizable radio player with different skins. 3D Viewer – Embed 3D models and 3D products with interaction. Advanced Post Block – Show posts and custom posts in different layouts.

Most WordPress sites run 20–40 plugins. That means 20–40 things that slow your site, conflict with each other, and need updating every week. Nexter Extension fixes that. One plugin. 50+ features. Every module is toggle on/off — nothing loads unless you need it. Pure Vanilla JS, zero jQuery. It’s the one WordPress plugin that handles your SEO, security, performance, email delivery, theme design, code management, and admin cleanup — all in one place, completely free to start. 👉 Website | All Features | Nexter SEO | Free vs Pro | Pricing | Docs | Roadmap | Support | Premium Support | AI Chat 🔍 Nexter SEO — Built-In WordPress SEO, Schema & AI Search Handle your on-page SEO, schema, XML sitemaps, redirects, and AI search from one plugin. Nexter SEO is a complete, lightweight WordPress SEO toolkit built into Nexter Extension — drop your standalone SEO plugin, with no extra page weight and no plugin conflicts. 100% free. SEO Site Audit — Scan your site for on-page and technical issues, with a 0-100 health score and a prioritized list of top fixes. Meta Title & Description Templates — Set site-wide title and meta description templates with dynamic variables and a live Google search preview. Social / Open Graph — Control how your pages look when shared, with a default share image and Facebook and X (Twitter) cards. Schema Builder — Add 18 structured-data types (Article, Product, FAQ Page, How-To, Local Business, Event, Recipe, Video, and more) with dynamic variables and display conditions. No code. XML Sitemaps — Generate XML sitemaps, plus optional image, video, news, and HTML sitemaps, with exclude lists. Robots & Robots.txt Editor — Set per-type index, follow, and archive rules and edit your virtual robots.txt right from the dashboard. Instant Indexing (IndexNow) — Push new and updated URLs to search engines that support IndexNow instantly, automatically or in bulk. LLMs.txt for AI Search — Generate an LLMs.txt file so AI engines like ChatGPT, Perplexity, and Google AI can find and cite your content. Site Verification — Verify your site with Google, Bing, Pinterest, and Facebook in one place. Redirects & 404 Monitor — Create 301, 302, and other redirects with flexible matching, and log broken URLs to fix. Image SEO — Add automatic alt text from the filename or title (no AI needed) and redirect attachment pages to their parent post. Import / Export — Move your entire SEO configuration between sites with a single JSON file. 🏗️ Theme Builder — Free for Elementor & Gutenberg Build custom headers, footers, 404 pages, single post templates, and archive pages using Elementor widgets or Gutenberg blocks — completely free, no premium page builder needed. Works with Astra, Hello Elementor, GeneratePress, Kadence, Blocksy, OceanWP, Neve, and Bricks Builder. Header Builder — Design sticky, transparent, or conditional headers with full page builder control. No coding. Footer Builder — Build any footer layout — multi-column, widgets, blocks — no template limits. Breadcrumbs Bar — SEO-structured breadcrumb navigation with full design control. 404 Page Builder — Custom-designed 404 pages that keep visitors on your site instead of bouncing. Single Post & Archive Templates — Unique layouts per post type, category, tag, or custom post type. Display Conditions — Show/hide templates by page, user role, device, login status, and 50+ more conditions (Pro). 💻 Code Snippets — PHP, CSS, JS & HTML Manager Add custom PHP, CSS, JavaScript, and HTML to WordPress without touching functions.php or creating a child theme. All snippets run as static files — zero extra database queries, faster than other WordPress code snippets plugins. PHP, HTML, CSS & JS Snippets — Manage all four code types with live syntax validation. Auto crash-protection stops bad code from breaking your site. File-Based Execution — Snippets compile to static files, not database queries — a speed advantage over traditional code manager plugins. 22+ Conditional Load Rules — Load code only on specific pages, post types, user roles, devices, WooCommerce pages, EDD, or MemberPress. Scheduling (Pro) — Set start/end dates for any snippet. Perfect for seasonal banners and timed scripts. Smart Placement (Pro) — Inject code before/after specific HTML elements, after X words, at a content percentage, or via shortcode. Import / Export & Tagging — Move snippets between sites in one click. Tag and annotate your whole snippet library. 🖼️ Image Optimizer — WebP, AVIF & Bulk Compress A fully built-in wordpress image optimizer — convert, compress, and bulk-optimize images without any API key, external account, or monthly subscription. Everything runs on your own server. WebP Conversion — Auto-convert JPG/PNG uploads to WebP. Up to 35% smaller files, zero quality loss. AVIF Support — Next-gen format, up to 50% smaller than JPEG. Built-in AVIF conversion at no extra cost. Bulk Image Compression — Compress your entire media library in one go. No image-by-image processing. Auto Resize on Upload — Automatically shrink oversized images on upload and delete the original to save disk space. No API Key. No Account. No Monthly Fee. — Enable the module, and it just works. ⚡ WordPress Performance & Page Speed Optimization Granular WordPress speed optimization toggles — disable only what your site doesn’t need. No all-or-nothing switches that break things. Disable Bloat Scripts — Individual toggles for Emoji scripts, Embeds, Dashicons, Pingbacks, Feed Links, Shortlink tag, and more — each one separate. Defer CSS & JS — Defer non-critical stylesheets and scripts to improve First Contentful Paint and page load scores. Self-Host Google Fonts — Host Google Fonts on your own server. Eliminates the external Google request and makes your site GDPR-compliant. Heartbeat Control — Throttle or disable the WordPress Heartbeat API — a common cause of high CPU on shared hosting. Revision Control — Cap post revisions to prevent database bloat on content-heavy sites. Disable Comments — Turn off WordPress comments site-wide or per post type. Removes all comment scripts from page output. Disable Unused Image Sizes & Elementor Icons — Stop generating thumbnails and loading Font Awesome on pages that don’t use them. 🔒 WordPress Security Plugin — Hardening, Login Protection & More A layered WordPress security plugin with individual on/off toggles. Covers the most-used hardening and login protection features without adding a heavy security daemon to every page load. Security Hardening — Disable XML-RPC, hide WP version, remove REST API head links, block file editor, add XSS headers, and more — each as a separate toggle. Limit Login Attempts (Freemium) — Block brute-force attacks by locking out IPs after failed logins. No separate brute force protection plugin needed. CAPTCHA Spam Protection — Add Google reCAPTCHA v2/v3 or Cloudflare Turnstile to login, registration, comments, password reset, and WooCommerce checkout. Two-Factor Authentication (2FA) (Pro) — Email-based two-step verification with role-based enforcement. Replaces standalone two factor authentication plugins. Change WP Admin Login URL — Move your login page from the default wp-login.php to a custom URL. Stops automated bot scanning cold. Login Email Notifications (Pro) — Get alerted by email on every login with role-based filters and custom email content. Content Protection (Pro) — Disable right-click, text selection, image drag, copy-paste, and developer console access. SVG Upload — Let trusted roles upload SVG files with automatic sanitization. Clean icon uploads, no malicious payload risk. Last Login & Registration Tracking — See the last login date and registration date of every user right in the Users table. 📧 WordPress SMTP Email Fix WordPress emails going to spam in minutes. The built-in WordPress smtp plugin routes your contact forms, order notifications, and password resets through a real mail provider — so they actually arrive. Gmail SMTP — Connect Google Workspace or Gmail via OAuth or App Password. Mailgun, SendGrid & Custom SMTP — Works with any provider: Brevo, Amazon SES, Postmark, Mailchimp Mandrill, or your host’s SMTP. Test Email Tool — Send a test email from inside the settings panel to confirm delivery before you go live. 🔧 WordPress Utilities — Replace a Dozen Single-Use Plugins Custom Font Uploads — Upload TTF, WOFF, WOFF2 and variable fonts. Apply in any page builder without a separate WordPress custom fonts plugin. Adobe Fonts Integration — Connect your Adobe Creative Cloud via Project ID and load any Typekit font in WordPress. Redirect 404 (Freemium) — Auto-redirect all broken 404 pages to your homepage (Free) or any custom URL (Pro). Post & Page Duplication — Clone any post or page with full layout and metadata preserved. No separate post duplicator plugin needed. Bulk Text & URL Replacement — Find and replace any string across your entire database in one click. Essential after domain migrations. Thumbnail Regeneration — Regenerate all image thumbnails after changing image sizes. No extra plugin. Rollback Manager — Downgrade any plugin to a previous version instantly if a new update causes conflicts. Admin Role Switcher — Switch between any WordPress user role without logging out. Perfect for testing permissions. Disable Gutenberg — Restore Classic Editor on specific post types without an extra plugin. WP Debug Mode — Toggle WP_DEBUG on/off from your dashboard. No wp-config.php editing. Content Post Order — Drag-and-drop reorder posts and pages. No code, no custom fields. Public Preview for Drafts (Pro) — Share a preview link for any unpublished post without requiring a login. Replace Media (Pro) — Swap any file without changing its URL or breaking existing links. Taxonomy Term Order (Pro) — Drag-and-drop reorder categories, tags, and custom taxonomies on the frontend. 🎨 WordPress Admin Customization & Dashboard Cleanup Branded Admin Interface / White Label WordPress (Pro) — Replace the WordPress login page with your agency logo and colors. Full white-label WordPress admin for client sites. Admin Menu Organizer (Pro) — Reorder, rename, or hide sidebar menu items per user role. Show clients only what they need. Elementor Ad-Free — Hide all Elementor upgrade banners, AI popups, and upsell buttons from the editor. Clean workspace, focused editing. Clean Admin Bar — Remove any item from the WordPress toolbar: WP logo, site name, comments counter, Howdy greeting, plugin nodes, and more — each as a separate toggle. Disable Admin Notices & Dashboard Widgets — Hide update nags, plugin notices, At a Glance, Quick Draft, WooCommerce setup panel, and the WordPress Events feed — individually. Wider Admin Menu — Expand the sidebar so long menu labels display fully without truncation. Display Active Plugins First (Pro) — Pin active plugins to the top of the plugins list for faster access. User Profile Clean (Pro) — Remove unnecessary fields from user profiles for a cleaner client-facing backend. 🔁 Import / Export Settings Export your full WordPress Customizer configuration and all Nexter Extension settings to a file — then import on any site instantly. Zero re-configuration for agencies managing multiple client sites. ⚡ Upgrade to Nexter Extension Pro → 🏆 Our Other WordPress Products The Plus Addons for Elementor — 120+ Elementor widgets. Pairs perfectly with Nexter Extension’s free Theme Builder. Nexter Blocks — 90+ Gutenberg blocks. Zero jQuery. Built for speed. NexterWP Theme — Lightest, fastest starter theme for Elementor and Gutenberg. No jQuery. UiChemy – Figma to WordPress — Convert Figma designs into live Elementor pages with a free Figma plugin. WDesignKit — 1000+ WordPress templates, widget builder, block converter, and cloud storage. External services Nexter Extension may connect to external services below only when the related feature is enabled: api.posimyth.com — usage analytics. Off by default; submitting the deactivation feedback form also sends it, plus your admin email if you tick the contact box. Terms · Privacy · what’s shared store.posimyth.com — Pro licence, template library, newsletter opt-in. Terms · Privacy api.wdesignkit.com, etemplates.wdesignkit.com — templates and preview images. Terms · Privacy api.indexnow.org — sends a post URL when you save it, to notify search engines. Terms api.openai.com — AI content, using your own API key. Terms · Privacy generativelanguage.googleapis.com — AI content, using your own API key. Terms · Privacy fonts.googleapis.com, fonts.gstatic.com, google.com/recaptcha, accounts.google.com, oauth2.googleapis.com — self-hosted fonts, CAPTCHA, SMTP OAuth. Terms · Privacy typekit.com, use.typekit.net — Adobe Fonts, using your own project ID. Terms · Privacy challenges.cloudflare.com — Turnstile CAPTCHA, using your own site key. Terms · Privacy api.wordpress.org, themes.svn.wordpress.org — Rollback Manager lookups and downloads. Privacy