Inkwell PDF : Reader & Editor

Inkwell PDF is your all-in-one PDF reader, editor, and creator for Android, built for people who read, sign, and organize documents every day. The app finds every PDF already on your phone the moment you open it, then lets you read, search, annotate, sign, and protect those files without leaving the app. Turn photos and receipts into clean PDFs in seconds, and let AI pull the text out of any image so you can copy, edit, or search it. 📖 SMART PDF READER & VIEWER - Auto-detect and list every PDF on your device, no manual importing - Browse by Recent, Favorites, or All Files, in list or grid view - Search your PDF library by file name, and search text inside any document - Sort A–Z, Z–A, newest, oldest, largest, or smallest - Vertical or horizontal page swipe, with page snap - Pinch to zoom and jump to any page with the page scrubber - Resumes exactly where you left off, every time - 4 reading modes: Normal, Sepia, Night, and Warm - Adjustable page spacing and zoom for comfortable reading - Document outline, bookmarks, and full file info (pages, size, author, encryption) - Read Aloud text-to-speech with adjustable language, speed, and start word - Auto-scroll with speed presets for hands-free reading ✏️ ANNOTATE & EDIT PDFS - Pen and ink drawing tools - Highlighter with custom color and thickness - Eraser, undo/redo, and show/hide annotations - Free text and checkmark tools - Fill in form text fields and checkboxes - Draw and place your signature anywhere on the page - Save changes as a new copy or overwrite the original file 🖼️ TURN IMAGES INTO PDF - Pick multiple photos and reorder them by drag and drop - Crop, add text, add your signature, and apply filters (grayscale, sepia, invert, contrast, vintage, and more) - Name your file and create a polished PDF in seconds 🔒 PASSWORD & PDF SECURITY - Add a password to lock a PDF (saves a protected copy) - Remove a password from a PDF you own (saves an unlocked copy) - Open password-protected PDFs directly in the app 🤖 AI TEXT EXTRACTION - Capture a photo or pick one from your gallery - Crop and clean it up - Let AI scan and extract the text so you can review, edit, and save it straight to a PDF ⚡ MANAGE YOUR LIBRARY - Favorite, rename, copy, share, and delete files, one at a time or in bulk - Print any PDF directly from your phone - Check your library stats: total PDFs, storage used, favorites, and recent activity - 8 languages: English, German, Spanish, French, Russian, Portuguese, Finnish, and Dutch - Dark mode: on, off, or follow system Questions, feedback, or found a bug? We'd love to hear from you.