Frequently Asked Questions

General

Is DocuKaro really free?

Yes. All tools are free and there is no paid plan. The site is supported by advertising.

Do I need an account?

No. An optional free account lets you save favourite tools and see your recent activity.

Do you add a watermark to my files?

No. The only watermark is one you add yourself with the Watermark PDF tool.

Privacy and security

Are my files uploaded to your server?

The PDF and image tools process files in your browser on your own device, so they are not sent to our server. The Office conversion tools also work in the browser by default; if the optional cloud conversion engine is enabled, files for those tools are sent to that provider. See the Privacy Policy.

Do you keep copies of my documents?

We cannot keep what we do not receive. Files processed in your browser never reach us.

Is the PDF Redactor safe to rely on?

Pages you redact are rebuilt as images without the original text, so the hidden content is not in the new file. Always verify the result as described in our redaction guide.

Using the tools

Is there a file size limit?

There is no fixed limit for browser-based tools; the limit is your device's memory. Files of several hundred megabytes may fail on phones.

Which browsers are supported?

Current versions of Chrome, Edge, Safari and Firefox on Android, iOS, Windows, macOS and Linux.

Why is a tool slow the first time?

Some tools load an additional component on first use, such as OCR language data or the background-removal model. It is cached by your browser afterwards.

Why does my converted Word or Excel file look different from the PDF?

PDF does not store paragraphs, tables and columns the way Office files do, so conversion has to reconstruct them. Simple documents convert well; complex layouts need tidying.

Can I use the results commercially?

Yes. Files you create with the tools are yours.

Forms and applications

Do your presets match official exam and passport requirements?

Presets are a convenience based on commonly published requirements, and they can change. Always check the official notification or website and enter custom values if they differ.

Can you guarantee my photo will be accepted?

No. We set size and dimensions; the receiving authority decides whether a photo meets its rules.