PDF-O is your complete PDF toolkit ā edit, convert, compress, and secure PDFs, all from one clean, modern app.
FEATURES
PDF Editor
Annotate with text, highlights, underline, strikethrough, and freehand drawing. Add sticky notes, shapes, and arrows. Merge, reorder, and delete pages. Add watermarks and digital signatures.
Compress PDF
Shrink large PDFs with adjustable quality control ā perfect for email attachments and storage limits.
AI PDF Chat
Ask questions about your PDF and get instant summaries powered by AI.
OCR Scanner
Extract text from scanned documents and images in English and Hindi.
Photo to Excel (NEW)
Take a photo of a ruled register or table ā attendance, marks, ticks, English or Hindi ā and turn it into an Excel sheet. Reading happens on your phone, so it works offline. Unclear cells are highlighted for a quick check, and you can open, share, or email the .xlsx right away. Free plan includes 10 scans.
Batch Process
Compress multiple PDFs at once to save time.
PDF Security
Password-protect sensitive PDFs and split documents into separate files.
Image to PDF
Convert and enhance photos into clean, shareable PDF documents. Built-in document scanner included.
Convert PDFs
Turn PDFs into editable Word documents, Excel spreadsheets, or plain text ā and back again with Text to PDF.
Lightweight Document Editor
Write notes and letters, then export straight to PDF or Word.
My Documents
Keep every file you create or edit organized in one place, with optional cloud sync across your devices.
7-DAY FREE TRIAL
Try every Pro feature free for 7 days ā no payment method needed. After 7 days you return to the Free plan automatically. One trial per account and device.
Available in English and Hindi.
The free version is supported by ads. Your documents are processed for the features you use and are never sold. See our full privacy policy at https://pdfo-app-2026.web.app/privacy.html.
Have feedback or need help? Reach us anytime at nikvishi@gmail.com.
All-in-one PDF toolkit: edit, convert, compress, OCR, secure & AI chat