How to use d10s.org
Welcome to d10s.org, the platform that gathers free digital tools for developers, professionals, and web enthusiasts.
All tools are registration-free, free from intrusive advertising, and always accessible from the browser—even on smartphones.
1. Browse the categories
In the main menu you will find several tool categories:
- Finance — calculate and validate IBAN codes, VAT IDs, tax codes, etc.
- Web & SEO — analyze meta tags, robots.txt, sitemaps, and your site’s performance.
- Text & Encoding — convert, encrypt, or decode text, JSON, Base64, URLs, and more.
- Image & File Tools — generate QR codes, barcodes, or work with images.
- Developer Tools — inspect HTTP headers, run DNS lookups, get IP info, decode JWTs, etc.
Click a category or use the search bar at the top to quickly find the tool you need.
2. Use the tool
- Enter the required data (text, URL, code, or file).
- Press “Run”, “Generate”, or “Analyze”.
- Get the result instantly and copy or download it.
No login is required: everything happens locally or through secure HTTPS calls.
3. Understand the results
- Each page includes a short description of the tool and what it does.
- You’ll see any warnings or technical limits (e.g., maximum file size).
- Links to guides and technical references are available for further reading.
4. Use it on mobile too
All d10s.org tools are optimized for mobile devices.
You can add the site to your smartphone Home screen:
On Android or iPhone, choose “Add to Home screen” and d10s.org will behave like an app.
5. Security and privacy
- No data is stored on our servers: processing is local or temporary.
- We do not collect personal data or track how you use the tools.
- All connections are protected with HTTPS.
Check the Privacy & Cookies section for more details.
6. Contribute or suggest new tools
Have an idea for a new tool or want to report an improvement?
Reach out from the Contacts section or open an issue on GitHub. Every contribution, even small, helps the platform grow.
7. Updates and new features
d10s.org is an ever-evolving project. Coming soon:
- New tools focused on AI, Open Data, and automation.
- Hands-on guides for web developers.
- Public APIs to integrate our tools into your projects.
At a glance
| Action | What to do |
|---|---|
| Find a tool | Search by name or category. |
| Use it | Enter the data and press “Run”. |
| Copy the results | Use the “Copy” button. |
| Save or share | Download or share the link. |
| Suggest a new tool | Contact us from the Contacts page. |
d10s.org is a free and open project for people who love building useful things. Use it, share it, improve it—the community grows thanks to you.