Legal
Privacy Policy
Last updated October 26, 2026
In short: Kiln works on your device. We do not upload, store or look at your images. There are no accounts, no analytics and no advertising cookies.
1. What happens to your images
When you add an image, your browser reads it into memory and Kiln decodes, resizes and re-encodes it using your browser's built-in image tools. The image is not sent to us or to any other server. When you close or reload the tab, the images are discarded. A converted file is saved to your device only when you choose to download it.
2. Information we collect
Kiln does not ask for or collect personal information. There are no sign-ups, forms, comments or tracking scripts in the app.
3. Information stored on your device
Kiln saves your settings (output format, quality, target size, resize options, watermark text, file name pattern and colour theme) in your browser's local storage so they are there next time. This data stays on your device and never includes your images or file names. You can remove it by clearing this site's data in your browser.
4. Third-party services
To display the site, your browser may load resources from other providers:
- Fonts delivered via next/font (self-hosted at build time when possible).
- Open-source libraries bundled with the app (GSAP for motion, JSZip and jsPDF for exports).
If a CDN is used for any asset, that provider can see standard request information such as your IP address, browser type and the page that requested the file, under their own privacy policies. We do not send them your images.
Our hosting provider (add your hosting provider) may keep standard server logs, such as IP address, time and requested page, for security and reliability.
5. Image metadata
Re-encoding an image normally removes metadata such as camera model, date and GPS location. This is a side effect of how browsers draw images, not a guarantee. If removing metadata matters, check the saved file before you share it.
6. Children
Kiln is a general-purpose tool and is not directed at children under 13. Because we collect no personal information, we do not knowingly hold information about children.
7. Your rights
Because we do not hold personal data about you, there is usually nothing to access, correct or delete. If you are in a region with data protection rights, such as the EU, UK or California, you may still contact us with questions or requests using the address below.
8. Security
Keeping images on your device limits exposure, but no software is risk-free. Use an up-to-date browser and avoid processing sensitive images on shared or untrusted computers.
9. Changes to this policy
If we change this policy, we will update the date at the top. If a change affects how your data is handled, we will say so on this page.
10. Contact
Questions about privacy: add your contact email