keyword

pdf textbooks free download

Monthly search volume and cost-per-click data for "pdf textbooks free download" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=pdf+textbooks+free+download&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $2.66 | | competition | 0.09 | | country | US | | updated | 2026-05-20 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
free textbook site	12,100	$9.86	20/20
free textbooks pdf	5,400	$11.64	20/20
online textbook free	5,400	$4.48	19/20
free pdf textbooks	4,400	$9.4	19/20
textbooks online free	4,400	$9.21	18/20
textbooks pdf	2,400	$6.49	20/20
textbook pdf	2,400	$6.49	19/20
free textbooks online pdf	1,300	$9.65	20/20
free pdf download textbooks	1,000	$2.66	20/20
download textbooks for free pdf	880	$2.7	20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=pdf+textbooks+free+download&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt