OneClickPDF

Extract text from any image, screenshot, or region on any webpage — instantly, privately, and completely offline. OneClickPDF OCR Reader uses Tesseract.js WebAssembly to run OCR entirely in your browser. No images are uploaded to any server. Ever. ━━━━━━━━━━━━━━━━━━━━━━━ HOW TO USE ━━━━━━━━━━━━━━━━━━━━━━━ • Click the extension icon → drop or browse for an image → get text • Right-click any image on a webpage → "Extract text from image" • Right-click a page → "Screenshot & OCR this page" • Right-click a page → "OCR selected region" → draw a rectangle around text ━━━━━━━━━━━━━━━━━━━━━━━ FEATURES ━━━━━━━━━━━━━━━━━━━━━━━ ✦ 4 ways to capture text Upload an image, right-click any image on a page, screenshot the visible tab, or draw a region to OCR just part of a page. ✦ 16 languages English, French, German, Spanish, Italian, Portuguese, Dutch, Polish, Russian, Japanese, Chinese (Simplified & Traditional), Korean, Arabic, Hindi, Turkish. English is bundled. Other languages download automatically on first use. ✦ Auto language detection Not sure what language the image is in? Hit "Auto" and the extension detects the script for you. ✦ Image preprocessing Toggle grayscale, contrast stretching, or Otsu binarization to improve OCR accuracy on scanned documents, photos, or low-contrast images. ✦ Table detection & CSV export Automatically detects table structures in OCR results. Export detected tables as CSV with one click. ✦ Confidence scoring See word-level confidence highlighted in green (high), yellow (medium), or red (low). Overall confidence displayed as a badge. ✦ OCR history Your last results are saved locally. Recall, copy, or delete them anytime. Configurable limit (10–100 entries). ✦ Editable results Edit the recognized text directly in the results panel before copying. ✦ Copy to clipboard One-click copy. That's it. ━━━━━━━━━━━━━━━━━━━━━━━ PRIVACY ━━━━━━━━━━━━━━━━━━━━━━━ • All OCR processing runs locally using WebAssembly. No images or text are sent to any server. • Language packs (other than English) are downloaded from jsDelivr CDN on first use and cached locally. • History and settings are stored in chrome.storage.local on your device only. • No analytics. No tracking. No ads. • The extension contains links to oneclickpdf.net but does not transmit any data to our servers. ━━━━━━━━━━━━━━━━━━━━━━━ PERMISSIONS EXPLAINED ━━━━━━━━━━━━━━━━━━━━━━━ • activeTab — capture the current tab for screenshot OCR • contextMenus — add right-click menu items • storage — save your settings and OCR history locally • offscreen — run Tesseract.js WASM in a hidden document (Chrome requires this for Canvas/WASM) • clipboardWrite — copy results to your clipboard • scripting — inject the region selection overlay when you choose "OCR selected region" ━━━━━━━━━━━━━━━━━━━━━━━ SUPPORTED FORMATS ━━━━━━━━━━━━━━━━━━━━━━━ JPG, PNG, WEBP, BMP, GIF ━━━━━━━━━━━━━━━━━━━━━━━ ABOUT ━━━━━━━━━━━━━━━━━━━━━━━ Built by the team behind OneClickPDF (oneclickpdf.net) — 59 free browser-based PDF tools. Same privacy-first philosophy: your files stay on your device. Need PDF OCR or searchable PDFs? Try our full OCR tool at oneclickpdf.net/tools/ocr Questions or feedback? dev.mirzaanees@gmail.com