🆓 100% Free WordPress Plugin — No Premium Upsells, No Limitations
The most powerful free spam comment cleaner with 15+ smart detection filters, instant bulk deletion, and built-in backup. Clean thousands of spam comments with one click.
Quick Answer: How to Bulk Delete Spam Comments in WordPress
🎯 TL;DR: Install the Injected Spam Comment Remover plugin, select your spam detection filters (Cyrillic text, spam keywords, suspicious links, etc.), click “Scan for Spam”, review the results, then click “Delete Selected” or “Delete All Found” to permanently remove spam comments. Always backup your comments first using the built-in CSV/JSON export feature.
Why Remove WordPress Spam Comments?
Spam comments are more than just an annoyance — they actively harm your WordPress website’s performance, security, and SEO rankings. Here’s what spam comments do to your site:
| Impact Area | Problem | Consequence |
|---|---|---|
| ⚡ Performance | Bloated database with thousands of spam records | Slower page loads, failed backups, poor Core Web Vitals |
| 📉 SEO Rankings | Google’s SpamBrain detects spam-filled comment sections | Lower search rankings, potential manual penalties |
| 🔒 Security | Spam contains malicious links and phishing URLs | Visitors exposed to malware, site reputation damaged |
| 💰 Hosting Costs | Extra database storage and server resources | Higher hosting bills, slower server response |
| 👥 User Experience | Legitimate comments buried under spam | Real visitors stop engaging, community dies |
⚠️ Did You Know? Sites with 5,000+ undeleted spam comments can experience noticeably slower page loads. This directly impacts your Core Web Vitals scores, which Google uses as a ranking factor.
All Plugin Features at a Glance
🎯 15+ Smart Spam Detection Filters
Our plugin detects spam using intelligent pattern matching. Select one or multiple filters to find exactly the spam you’re looking for:
| Filter | What It Detects | Common Sources |
|---|---|---|
| Cyrillic/Russian | Comments containing Russian or Cyrillic text | Bot farms, automated spam tools |
| Chinese Characters | Comments with Chinese text | Foreign link-building schemes |
| External Links | Comments containing HTTP/HTTPS links | SEO spam, affiliate promoters |
| Multiple Links (3+) | Comments with 3 or more links | Aggressive spam bots |
| Spam Keywords | Casino, viagra, crypto trading, etc. | Pharmaceutical & gambling spam |
| Diploma Spam | Fake diploma, certificate offers | Fake document sellers |
| Streaming Spam | Live TV, watch online HD, IPTV | Piracy sites, illegal streams |
| Betting/Gambling | Betting, odds, bookmaker mentions | Gambling site promoters |
| Very Short (<20 chars) | Comments under 20 characters | Bot-generated low-effort spam |
| Generic Praise | “Great post!”, “Nice article!”, etc. | Automated comment bots |
| Suspicious TLDs | Links to .ru, .cn, .tk, .xyz domains | Known spam-heavy TLDs |
| Suspicious Emails | Temp/disposable email addresses | Throwaway accounts |
| Spammy Author URLs | Author URLs with spam patterns | Link builders using fake profiles |
| All Pending | All comments awaiting moderation | Moderation queue cleanup |
| All Spam | Comments already marked as spam | WordPress spam folder |
| All Trash | Comments in trash | Previously deleted comments |
💾 Built-In Backup & Export
Never lose important comments by accident. Our plugin includes robust backup features:
- Download CSV — Export comments to Excel-compatible spreadsheet format
- Download JSON — Export in developer-friendly format for easy restoration
- Filter by Status — Export only approved, pending, spam, or trash comments
- Backup Selected — Export only the specific comments you’ve selected
- Auto-Prompt — Plugin automatically asks if you want to backup before deleting
✅ Export Contains Full Comment Data: Each export includes: Comment ID, Post ID, Post Title, Author Name, Email, URL, IP Address, Date, Full Content, Status, Parent Comment ID, and User ID.
🔴 Nuclear Option: Delete ALL Comments
Need to start completely fresh? The plugin includes a “Delete ALL Comments” option with triple-confirmation safety:
- Initial warning explaining what will be deleted
- Secondary confirmation prompt
- Must type “DELETE” (exact match) to proceed
This ensures you can never accidentally wipe your comments — only deliberate, confirmed actions proceed.
How to Remove Spam Comments (Step-by-Step)
Follow these simple steps to clean up your WordPress comments in under 5 minutes:
Step 1: Install the Plugin
Download the ZIP file and upload via Plugins → Add New → Upload Plugin. Activate it after installation.
Step 2: Backup Your Comments
Before deleting anything, click “Download CSV” or “Download JSON” in the Backup Comments section to save a copy.
Step 3: Select Detection Filters
Choose from 15+ filters like Cyrillic text, spam keywords, suspicious links, generic praise, and more. Select multiple filters for thorough detection.
Step 4: Scan for Spam
Click the “Scan for Spam” button. The plugin will analyze all comments and show matches in a results table.
Step 5: Review and Delete
Review the scan results, select the comments you want to remove (or select all), and click “Delete Selected” or “Delete All Found”.
Plugin Comparison
See how the Injected Spam Comment Remover compares to other popular WordPress comment management solutions:
| Feature | Injected Spam Remover | WP Bulk Delete | Manual WordPress |
|---|---|---|---|
| Bulk Delete Spam | ✅ Yes | ✅ Yes | ❌ (30 at a time) |
| Smart Content Filters | ✅ 15+ filters | ❌ No | ❌ No |
| Cyrillic/Chinese Detection | ✅ Yes | ❌ No | ❌ No |
| Spam Keyword Detection | ✅ Yes | ❌ No | ❌ No |
| Built-in Backup/Export | ✅ CSV & JSON | ❌ No | ❌ No |
| Delete ALL Comments | ✅ with safety | ✅ Yes | ❌ No |
| Modern UI Dashboard | ✅ Yes | ❌ No | ❌ No |
| 100% Free | ✅ Yes | Partially | ✅ Yes |
Frequently Asked Questions
How do I bulk delete spam comments in WordPress?
Install the Injected Spam Comment Remover plugin, go to the Spam Cleaner menu in WordPress admin, select your spam detection filters (like Cyrillic text, spam keywords, or suspicious links), click “Scan for Spam”, review the results, then click “Delete Selected” or “Delete All Found” to permanently remove spam comments in bulk. The entire process takes less than 5 minutes.
Can spam comments slow down my WordPress website?
Yes, spam comments significantly slow down WordPress websites. They bloat your database, increase backup sizes and times, slow down database queries, and can affect page load times. Sites with 5,000+ undeleted spam comments often experience noticeably slower performance and degraded Core Web Vitals scores, which directly impacts your Google search rankings.
How do I backup WordPress comments before deleting them?
The Injected Spam Comment Remover includes built-in backup features. Before deleting any comments, click “Download CSV” (for Excel) or “Download JSON” (for developers) in the Backup Comments section. You can export all comments or filter by status (approved, pending, spam, trash). The plugin also automatically prompts you to backup before any bulk deletion.
What types of spam comments can this plugin detect?
The plugin detects 15+ spam types including: Cyrillic/Russian text, Chinese characters, external links, multiple links (3+), spam keywords (casino, viagra, crypto), diploma spam, streaming spam, betting/gambling content, very short comments (<20 characters), generic praise (“Great post!”), suspicious TLDs (.ru, .cn, .tk, .xyz), suspicious/disposable emails, and spammy author URLs. You can combine multiple filters for thorough detection.
Is it safe to delete all WordPress comments at once?
Deleting all comments is irreversible, so you should always backup first. The Injected Spam Comment Remover requires triple confirmation before deleting all comments: an initial warning showing exactly what will be deleted, a secondary confirmation prompt, and then typing “DELETE” (exact match) to proceed. This prevents accidental deletion of legitimate comments.
Do spam comments affect WordPress SEO rankings?
Yes, spam comments can significantly harm your SEO. Google’s SpamBrain algorithm actively detects sites with excessive spam content. Spam links in comments may trigger manual or algorithmic penalties, high bounce rates from spam-filled pages signal poor quality, and slower site performance from database bloat hurts your Core Web Vitals scores — all of which negatively impact search rankings.
Does deleting spam comments improve website speed?
Yes! Removing spam comments reduces your database size, which improves database query performance, speeds up backups, and can improve overall page load times. Sites that clean out large volumes of spam often see immediate improvements in their Core Web Vitals metrics, particularly Largest Contentful Paint (LCP) and Time to First Byte (TTFB).
Is this spam comment remover plugin free?
Yes, the Injected Spam Comment Remover is 100% free with no premium upsells, no feature limitations, and no locked functionality. All 15+ spam filters, backup/export features, and the “Delete ALL” option are included in the free version. We offer optional cryptocurrency and PayPal donations if you’d like to support development.
Download the Free Plugin
Download the Injected Spam Comment Remover now and eliminate thousands of spam comments in seconds. It’s 100% free, no signup required.
Plugin Version: 1.3.0
Compatibility: WordPress 5.0+ • PHP 7.4+
Dependencies: None
Need More WordPress Security Help?
At Injected.Website, we specialize in WordPress security, malware removal, and SEO recovery. If your site has been hacked or you’re dealing with SEO spam injections, we can help:
- Malware Removal — Complete cleanup of infected WordPress sites
- SEO Spam Injection Cleanup — Remove Japanese keyword hacks, pharma hacks, and redirect malware
- Google Blacklist Removal — Get your site delisted from Safe Browsing warnings
- Security Hardening — Prevent future attacks with proper WordPress security
- Performance Optimization — Speed up slow WordPress sites
