# What does Chatpdf use?

Chatpdf (chatpdf.com) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Internet
- Size: 1–10 employees
- Based in: Germany
- Founded: 2023
- LinkedIn: https://www.linkedin.com/company/chatpdf

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records |  |
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS verification records, DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |
| [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code |  |
| [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | DNS verification records, Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code |  |

## FAQ

### What tools does Chatpdf use?

As of October 2026, runsonwhat has found 21 tools at Chatpdf (chatpdf.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked October 20, 2026.

### What cloud does Chatpdf run on?

Chatpdf uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record. Vercel is used by 49,818 companies runsonwhat tracks.

### What CRM does Chatpdf use?

Chatpdf uses Zoho for its CRM, according to runsonwhat (October 2026). runsonwhat found Zoho through a DNS verification record for Zoho and email records. Zoho is used by 63,244 companies runsonwhat tracks.

### What email provider does Chatpdf use?

Chatpdf uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 716,396 companies runsonwhat tracks.

### What analytics tools does Chatpdf use?

Chatpdf uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and PostHog, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on chatpdf.com. Google Analytics is used by 896,894 companies runsonwhat tracks.

### What monitoring tools does Chatpdf use?

Chatpdf uses web-vitals for monitoring, according to runsonwhat (October 2026). runsonwhat found web-vitals through web-vitals code on chatpdf.com. web-vitals is used by 29,463 companies runsonwhat tracks.

### Does Chatpdf use Google Fonts?

Yes. runsonwhat found Google Fonts at Chatpdf through Google Fonts code on chatpdf.com. Google Fonts is a Media & UI tool used by 819,683 companies runsonwhat tracks.

### Does Chatpdf use AI tools?

Yes. runsonwhat has found OpenAI at Chatpdf; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Chatpdf may use more AI tools than these.

### How does runsonwhat know what Chatpdf uses?

runsonwhat reads public records only. Of the 21 tools at Chatpdf, 13 were found through code on chatpdf.com, 5 through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and chatpdf.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/chatpdf.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.