Third-Party Services and Advertising Disclosure

Third-Party Services and Advertising Disclosure

Last updated: 2026-10-06

This page lists every third-party service 4Dev.net's tools actually connect to, so nothing about outbound requests your browser makes while using the site is a surprise.

1. Data Providers

• Frankfurter (api.frankfurter.dev) - live exchange rates for major currencies.
• fawazahmed0/currency-api, served via jsDelivr and a Cloudflare Pages fallback - broader currency and cryptocurrency rate data.
• flagcdn.com - flag icon images.
• CoinCap (assets.coincap.io) - cryptocurrency icon images.

2. Code Libraries (CDN-Hosted)

• cdnjs.cloudflare.com - FileSaver.js (file downloads) and Mammoth.js (Word document reading).
• cdn.jsdelivr.net - fast-xml-parser and sql-formatter.
• cdn.sheetjs.com - the SheetJS/xlsx library, for spreadsheet reading and writing.

Self-hosted on 4Dev.net, with no connection to a third party: the Inter typeface, and Mediabunny with the LAME MP3 encoder for the video and audio converter. The full list of components, their licenses and credits is on the Copyright page.

3. Analytics

Google Analytics 4 (www.googletagmanager.com, google-analytics.com) - aggregate statistics about how the site is used. It is loaded only after you click Accept on the cookie banner; if you decline, your browser never contacts these domains. See the Cookie Policy for the cookies it sets and how to change your choice.

Cloudflare Web Analytics (static.cloudflareinsights.com, provided by Cloudflare, our hosting provider) - cookieless statistics about page views and page-load speed. It runs on every page, sets no cookies and assigns no identifier, so it is not controlled by the cookie banner. See the Privacy Policy and Cloudflare's Privacy Policy.

4. Advertising

Google AdSense (pagead2.googlesyndication.com and other Google ad domains such as doubleclick.net, provided by Google) - the ads shown on the site. Its script loads on every page; whether ads are personalised depends on your consent, as described in the Cookie Policy. In the European Economic Area, the United Kingdom and Switzerland, consent is collected by Google's own consent message (fundingchoicesmessages.google.com). Ads are kept separate from the tools, and nothing you type or paste into a tool is passed to Google or any ad partner. See how Google uses cookies in advertising.

5. Your Relationship With Third Parties

4Dev.net's own code does not store your data or keep logs of it - but the services listed above are operated by their own providers, under their own data practices, which we don't control. 4Dev.net is not responsible for, and makes no guarantee about, the content, availability, security, or privacy practices of any third-party service, API, or embedded off-the-shelf library listed on this page - our commitment to not storing or logging data covers what we build, not what these external providers do on their end. Your use of those services (even indirectly, through this Website) is subject to their own terms and privacy policies.