For most WordPress publishers the best internal linking tool is Link Whisper: suggestions you approve one by one, flat annual pricing. LinkBoss is the pick for bulk and multi-site linking, and full disclosure, I build it. Internal Link Juicer is the best free option, Linkilo the best value bundle.
How I picked
Five criteria first, tools second: suggestion quality, anchor control, what happens to links on cancel, reporting, pricing model. I have used all five hands-on. Vendor numbers are labeled. Prices checked October 2026.
The top 5, compared
| # | Tool | Best for | Price | Standout |
|---|---|---|---|---|
| 1 |  Link Whisper | Solo publishers | From $10/mo | Unlimited in-editor suggestions |
| 2 |  LinkBoss I build it | Bulk, multi-site | Free, then $11/mo+ | 2,000-link batches, GSC analytics |
| 3 |  Internal Link Juicer | Free automation | Free, pro ~$39/yr | Keyword auto-linking |
| 4 |  Linkilo | Value bundle | $59/yr | 14+ modules, crawl logs |
| 5 | IMInterlinks Manager | Analytics | One-time (verify) | Link flow reports |
Swipe sideways to see all columns
The picks
1. Link Whisper, best overall
In-editor suggestions you approve one by one. Links are written into your content and survive cancellation.
- Best editing workflow
- Flat predictable price
- Links persist
- Per-site cost stacks up
- WordPress only
Skip if you run many sites or need batches.
Try Link Whisper2. LinkBoss, best for bulk and multi-site I build it
Semantic bulk linking up to 2,000 links per run, with anchor fixes, silo presets and a free forever audit tier.
- Real batch scale
- Cannibalization fixes
- Free tier with full audit
- Any CMS
- Credits need volume
- Separate dashboard
Skip if one small blog is all you run.
Try LinkBoss free3. Internal Link Juicer, best free
Keyword auto-linking from the free wordpress.org plugin.
- Usable free tier
- Set and forget
- Anchor repetition risk
- Basic free reporting
Skip if you want semantic suggestions.
Get ILJ free4. Linkilo, best value suite
From $59 a year: linking, redirects, broken links, crawl logs with AI crawler tracking, 14+ modules.
- Huge feature set per dollar
- Keeps working after cancel
- AI needs your OpenAI key
- No free trial
Skip if an API key puts you off.
Try LinkiloIM5. Interlinks Manager, best analytics
Link juice distribution and per-page influence reports. One-time purchase on CodeCanyon, verify current listing.
- Deep flow analytics
- One-time price
- Dated UI
- Verify updates policy
Skip if you want AI suggestions.
Check listing on CodeCanyonHow to choose
| If you | Pick | Because |
|---|---|---|
| One WordPress blog | Link Whisper | Flat fee, in-editor approvals |
| Portfolio or agency | LinkBoss | Batches, anchors, one dashboard |
| Zero budget | Internal Link Juicer | Free auto-linking from wordpress.org |
| Linking plus redirects in one license | Linkilo | $59/yr, 14+ modules |
FAQ
What is the best free internal linking plugin?
Internal Link Juicer for set-and-forget auto-linking; LinkBoss’s free tier if you want audits and analytics with it.
Do internal links survive canceling a tool?
Link Whisper and Linkilo write links into your content, so they stay. LinkBoss states links stay permanent.
Which tool is best for agencies?
LinkBoss: batches, ten-plus sites on one dashboard, anchor controls.
Do these tools work outside WordPress?
LinkBoss does (Shopify and generic CMS). The other four are WordPress plugins.
Disclosure: I build and run LinkBoss. Other links may be affiliate links. Neither changes any verdict, score or position. Full policy.