Last updated: September 2026
Global rank: Worldwide · 2026-09
#326,992
AI visibility: Grade A+
94
SEO health: Latest audit
90
Visits
709
per month, estimated
Keywords
52
ranking in Google
Organic share
100%
709 organic visits
LLMS.txt
Published
81 lines AI engines can read
You're seeing the free preview of mupdf.com
mupdf.com Company Profile
MuPDF stands out as a lean, high-performance PDF library that's been around for years, powering everything from simple viewers to complex document workflows. Developers love it because it handles PDF rendering with blazing speed without the bloat you see in heavier alternatives. The core library supports viewing, converting, and basic editing tasks like annotations and merging, all while keeping file sizes tiny. It's…
MuPDF was founded in 2005, about 21 years ago. Its workforce is listed as between 11 and 50 employees. It was founded by Artifex Software team. Its profile files it under Software & Internet, with further tags for Document Management, PDF Software and Developer Tools. Products on record for it: MuPDF Core Library, MuPDF Viewer and MuPDF Android/iOS SDK. Total funding on record is Bootstrapped. Its tagline reads: "Lightweight PDF library for viewing, rendering, and editing documents".
- Sector
- Software & Internet
- Founded
- 2005
- Employees
- 11-50
- Revenue
- Not Disclosed
- Funding
- Bootstrapped
- Founders
- Artifex Software team
- Products
- MuPDF Core Library, MuPDF Viewer, MuPDF Android/iOS SDK
mupdf.com Web Traffic Statistics
Key findings
- MuPDF (Software & Internet) is ranked #326,992 worldwide in our September 2026 domain ranking, up 3,356 places from #330,348 in August 2026.
- It is estimated to receive about 709 visits a month from search, 100% of it organic, across 52 ranking keywords.
- Its AI visibility score is 94 out of 100 (grade A+), with a published llms.txt of 81 lines.
- Its last technical audit scored 90/100, with "Fix Broken Links" the highest-priority fix.
| Month | Rank | Move |
|---|---|---|
| September 2026 | #326,992 | ▲ 3,356 |
| August 2026 | #330,348 | ▲ 15,569 |
| July 2026 | #345,917 | ▲ 5,066 |
| June 2026 | #350,983 | — |
| May 2026 | #350,983 | ▲ 45,227 |
| April 2026 | #396,210 | ▼ 26,084 |
| March 2026 | #370,126 | ▲ 12,301 |
| February 2026 | #382,427 | — |
What this company does
MuPDF stands out as a lean, high-performance PDF library that's been around for years, powering everything from simple viewers to complex document workflows. Developers love it because it handles PDF rendering with blazing speed without the bloat you see in heavier alternatives. The core library supports viewing, converting, and basic editing tasks like annotations and merging, all while keeping file sizes tiny. It's…
Our read on the site
The overall SEO health of mupdf.com is strong, with a solid performance score of 78/100 and an impressive accessibility score of 95/100. However, there are several content gaps and technical enhancements that could significantly improve visibility and user experience.
mupdf.com Traffic and Visitor Engagement
Search engines send mupdf.com an estimated 709 visits a month. Effectively all of it is organic — about 709 visits from unpaid results. Spread across 52 ranking keywords, that averages roughly 14 organic visits per keyword.
Monthly visits
709
Latest estimate
Change
No monthly history yet
It starts building from the first scan
Organic visits
709
100% of all traffic
Paid visits
0
No paid search detected
Organic vs paid
100%
0%
We don't hold a month-by-month history for this domain yet.
The traffic dashboard builds one from the first scan onwards.
mupdf.com AI Visibility
mupdf.com scores 94 out of 100 on our AI visibility scale, grade A+. It takes full marks for LLMS.txt, Crawlability and Structured data. The biggest gap is Company profile, at 22 of 25 points (7/8 core fields), worth 3 points if closed. It also loses points on SEO health (17/20).
Grade A+
Scored from this domain's own data — llms.txt, profile completeness, technical health, crawlability and structured data.
Present
7/8 core fields
85/100
robots ✓ · sitemap ✓
Detected
Fix these first
- → Complete your company profile so AI answers about you stay accurate.
mupdf.com LLMS.txt
The llms.txt on mupdf.com runs to 81 lines (3,737 characters) across 12 sections, last generated in May 2026. It introduces the site as "MuPDF - Lightweight PDF Library & Viewer". It tells AI engines the business works in Document Management, Developer Tools and PDF Processing. It describes 5 products, with prices such as MuPDF Viewer at Free and MuPDF Converter at Free. Services it lists include Commercial Licensing, Integration Consulting, Custom PDF Solutions and Priority Bug Fixes. The audience it names is Software Developers, IT Teams, aged 25-55 (Global). Technologies it mentions include C Programming, HTTPS, Viewport Optimization, Robots.txt and Sitemap XML. The keywords it claims start with "MuPDF", "MuPDF library", "MuPDF viewer" and "PDF editing".
Status
Published
AI engines can read it
Lines
81
In the file
Size
3.7K
Characters
Sections
12
Updated May 12, 2026
What the file says
# MuPDF - Lightweight PDF Library & Viewer ## About MuPDF is a powerhouse open-source PDF library renowned for its speed and minimalism in handling document rendering and manipulation. It excels in creating viewers, converters, and editors that run efficiently across desktops and mobiles. The library processes PDFs, EPUBs, and XPS files with top-tier fidelity, making it ideal for apps needing reliable document tech. Developers integrate it easily via C bindings or wrappers in other languages. Its lightweight design shines in embedded systems and low-resource environments. MuPDF's viewer app offers quick browsing, zooming, and searching without Adobe's heft. Editing features include annotations, form filling, and signing for practical workflows. Security handling covers encrypted and protected docs seamlessly. The project thrives under Artifex Software, balancing free community use with pro licenses. Regular commits keep pace with PDF evolutions. For businesses, it cuts costs on proprietary SDKs while delivering enterprise-grade performance. Mobile support via SDKs targets app devs building readers. Optimization tools reduce file sizes without quality loss. Overall, MuPDF empowers efficient PDF management for tech-savvy users worldwide. **Areas of Work:** Document Management, Developer Tools, PDF Processing ## Things to Remember - **Website:** https://mupdf.com - **Address:**
Sections in the file
Areas of work
Keywords it claims
Technologies
Products it tells AI about
- MuPDF Core LibraryOpen Source / Commercial License
- MuPDF ViewerFree
- MuPDF Mobile SDKContact for pricing
- MuPDF ConverterFree
- MuPDF AnnotatorOpen Source
Services it tells AI about
- Commercial LicensingCustom Quote
- Integration ConsultingContact Us
- Custom PDF SolutionsProject Based
- Priority Bug FixesSubscription
- Training WorkshopsVaries
Competitors it names
Audience it targets
Software Developers, IT Teams · 25-55 · Global
Company type
Private
mupdf.com Organic Keywords
Google lists mupdf.com for about 52 keywords, which together bring an estimated 709 organic visits a month.
Ranking keywords
52
Found in Google for this domain
Visits they bring
709
Estimated organic visits a month
Top ranking keywords
No ranked-keyword data cached for this domain yet.
Ranked Keywords pulls the full list on its first run.
What it ranks for
mupdf.com SEO Audit
The latest technical audit of mupdf.com scored 90 out of 100 overall. Performance is its weakest area at 78, while accessibility scores highest at 95. The audit makes 12 recommendations in all, and 4 of the 4 listed first are rated high priority or critical.
Overall
Excellent
SEO
Performance
Accessibility
Excellent
Fix these first
- CriticalFix Broken Links
- HighAdd llms.txt File
- HighEnhance Meta Description
- CriticalCreate Content for Identified Gaps
8 more recommendations, with the exact changes and the pages they apply to, are in the full report.
mupdf.com Competitors and Alternatives
MuPDF's company profile names https://www.adobe.com/acrobat/, https://www.pdffiller.com, https://www.pdfescape.com and https://www.sejda.com as competitors. Its own llms.txt adds https://www.foxitsoftware.com and https://www.sodapdf.com. Outside its market, the domains ranked closest to it in our worldwide ranking are bendoregon.gov, stl-nn.com, chinaeducenter.com and jinmalvyou.com.
mupdf.com Traffic by Country
Which markets this brand actually serves, and where the web links to it from.
Top customer markets
AI estimate · live webWe only measure visitor geography for domains whose analytics are connected to us. For everyone else this is read live from the web and shown as an estimate — never mixed in with the measured numbers.
No market breakdown available for this brand.
Where its backlinks come from
Measured. The country each linking site is hosted in — a real signal of which regions know this brand.
No backlink sample for this domain yet.
Backlink Analytics collects one on its first run.
mupdf.com Backlink Analytics
Who vouches for this domain. Strong, varied links are still the clearest signal of authority — to search engines and to AI engines that cite sources.
We haven't run a backlink crawl for mupdf.com yet, so there are no link counts to show. Backlink Analytics builds the profile on its first run and it appears here after that.
—
links on file
Companies ranked next to mupdf.com
Neighbours of #326,992 in our worldwide ranking — each with its own report.
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