What powers fileformat.com?
Last seen Jun 2026 · 37 technologies across 17 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| open source spreadsheet | #58 | 1 |
| compression stream api | #39 | 0 |
| website file format | #44 | 0 |
| what is an api file | #42 | 0 |
| all file format | #36 | 0 |
| an open file format | #34 | 0 |
| api file | #59 | 0 |
| ocr library open-source | #76 | 0 |
| open format file | #24 | 0 |
| open file types | #75 | 0 |
| open file format | #40 | 0 |
| open source ocr model | #89 | 0 |
| open source ocr libraries | #70 | 0 |
| other file formats | #75 | 0 |
| how many file formats are there | #93 | 0 |
| files open source | #90 | 0 |
| fileapi | #44 | 0 |
| file types javascript | #93 | 0 |
| file format example | #40 | 0 |
| file extension format | #66 | 0 |
| file extension for java source code | #57 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 57% phone
- 43% desktop
India
Japan
Germany
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.90 / 10 · ranked #50,444 of all domains
285 referring domains · OpenPageRank
Search traffic
1 est. monthly organic visits (US)
21 keywords in Google's top 30
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 2.2 MB · 89 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| docs.fileformat.com | 20 |
| www.fileformat.com | 20 |
| about.fileformat.com | 14 |
| kb.fileformat.com | 14 |
| products.fileformat.com | 14 |
| blog.fileformat.com | 13 |
| search.fileformat.com | 11 |
| websites.fileformat.com | 9 |
| wiki.fileformat.com | 5 |
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Recent changes
- dropped Snowplow Analytics Aug 2025