10 Best Negative Keyword Tools for Founders [2026 Updated]

1. Google Ads Negative Keyword Lists

• Type: Free
• URL: https://ads.google.com
• Overview: Google Ads has built-in shared negative keyword lists that can be applied across multiple campaigns. The Search Terms report also lets advertisers find irrelevant queries and exclude them at the ad group, campaign, or account level.

2. Optmyzr

• Type: Paid
• URL: https://www.optmyzr.com
• Overview: Optmyzr is a PPC management platform with search term analysis tools that flag wasteful queries and suggest negative keywords. It also offers rule-based automation and scripts for managing negatives across large accounts.

3. Adalysis

• Type: Paid
• URL: https://adalysis.com
• Overview: Adalysis is a PPC audit and automation tool that analyzes search queries to recommend negative keywords and detect wasted spend. It includes alerts and reports that help agencies and in-house teams keep campaigns clean.

4. Negator.io

• Type: Paid
• URL: https://www.negator.io
• Overview: Negator.io is an AI-driven tool focused on identifying irrelevant search terms in Google Ads accounts. It classifies queries against business context and recommends negative keywords to reduce wasted spend.

5. WordStream Advisor

• Type: Paid
• URL: https://www.wordstream.com
• Overview: WordStream by LocaliQ provides PPC management software with a 20-Minute Work Week that surfaces optimization tasks, including adding negative keywords. It suits small businesses that want guided recommendations for cleaning up search campaigns.

6. Semrush

• Type: Paid
• URL: https://www.semrush.com
• Overview: Semrush includes a PPC Keyword Tool that has a Keyword Manager for building and cleaning keyword lists, including negative keywords. It also supports competitor research so advertisers can spot irrelevant terms before launching campaigns.

7. Opteo

• Type: Paid
• URL: https://opteo.com
• Overview: Opteo is a Google Ads optimization platform that gives prioritized improvement suggestions, including negative keyword recommendations from search term data. It is popular with agencies and in-house marketers who want faster account reviews.

8. Google Ads Editor

• Type: Free
• URL: https://ads.google.com/home/tools/ads-editor/
• Overview: Google Ads Editor is a free desktop application for bulk editing campaigns offline. It allows advertisers to add, copy, and manage negative keywords across many campaigns and ad groups at once.

9. Microsoft Advertising Negative Keywords

• Type: Free
• URL: https://ads.microsoft.com
• Overview: Microsoft Advertising lets advertisers add negative keywords and shared negative keyword lists to block irrelevant Bing search traffic. The search terms report helps identify queries to exclude at campaign or ad group level.

10. Acquisio

• Type: Paid
• URL: https://acquisio.com
• Overview: Acquisio is a search advertising management platform for agencies that supports multi-account campaign management on Google and Microsoft. It helps teams manage keywords, including negative keywords, and monitor spend and performance at scale.