Add text annotations to PDF files, client-side processing, no upload needed, data stays safe
Click or drag PDF file here
Supports .pdf format, no file size limit
Yes, this tool is completely free to use. No registration required, no usage limits. All processing happens locally in your browser.
Absolutely secure. This tool uses client-side processing. Your PDF file is never uploaded to any server. All operations happen in your browser and file data is automatically cleared after processing.
You can customize text content, font size (8-120px), text color, opacity, rotation angle, and position. You can also choose to add text to specific pages or all pages.
No. This tool uses the pdf-lib library to add text directly as a PDF layer, without converting to images. The original PDF quality is preserved.
Yes. Non-Latin characters (Chinese, Japanese, Korean, etc.) are embedded as glyphs in the PDF, ensuring correct display in any PDF reader.
Yes, PDF Add Text is completely free to use. No registration or login required — all features are available immediately.
No. PDF Add Text uses client-side processing — everything runs in your browser. Your data never leaves your device, and the tool works even without an internet connection.
Yes. PDF Add Text is fully responsive and works on phones, tablets, and desktops. The interface adapts automatically to your screen size.
No. PDF Add Text is a web-based tool — just open it in your browser and start using it. No downloads, plugins, or extensions required.
Absolutely. All processing happens locally in your browser. No data is sent to any server, so there's zero risk of data leaks. Your information stays completely under your control.
We preserve original quality whenever possible. For compression, you can choose the compression level to balance file size and quality.