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Output Settings
Page Size
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Image Quality92%
Margin TB (mm)
Margin LR (mm)
Processing Options
Add Page Numbers
Add Watermark
Grayscale PDF
Auto Fit Image
Cover Page
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🔍 OCR Text Extraction
Words: 0
Chars: 0
Lines: 0
Confidence:
Language:
Upload images and click "Run AI OCR" to extract text. Supports 50+ languages including Hindi, Telugu, Arabic, Chinese, Japanese.
🤖 AI Document Intelligence
🧹 Document Cleanup
Ready
Remove noise, dust specs and background artifacts from scanned documents.
📐 Skew Correction
Ready
Auto-detect and correct tilted document images for perfect alignment.
🌈 Contrast Enhance
Active
Boost document readability by enhancing contrast and brightness.
🔍 Smart Crop
Ready
Auto-detect document borders and crop to tightest bounding box.
🌍 Multi-lang OCR
Active
50+ languages: Telugu, Hindi, Arabic, Chinese, Japanese and more.
🗜 Smart Compress
Active
Intelligent PDF compression preserving text and image clarity.
🔐 Security & Privacy
🔑 PDF Password
Ready
Set a password for your PDF document.
💧 Watermark
Ready
Add diagonal text watermark to all pages.
🛡️ Privacy Guarantee
Enabled
Processing
100% Local
Server Upload
Never
Data Retention
Zero
Watermark
None Added
File Analytics
Current Session
Files Loaded0
Total Size0 B
Image Files0
PDF Files0
Selected0
OCR StatusReady
Libraries Active
jsPDF2.5.1
PDF.js2.16
Tesseract OCRv5
JSZip3.10
Privacy ModeLocal Only
Output Format
Page Size
A4
Quality
92%
Orientation
Portrait
DPI
150
AI Pipeline
Image Decode0%
AI Enhancement0%
OCR Extraction0%
PDF Rendering0%
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Why Use KJSynthora Image to PDF Converter?

🔒

100% Private

Images never uploaded to any server. All conversion happens locally in your browser.

📦

Multiple Images

Combine unlimited JPG, PNG, WebP images into one PDF. Drag to reorder pages.

🤖

AI OCR

Extract text from any image using Tesseract.js OCR. Supports 50+ languages.

Merge PDFs

Upload multiple PDFs and merge them into one document instantly.

🎨

Custom Options

Page size, orientation, quality, margins, watermark, page numbers, cover page.

🚫

No Watermark

Output PDFs are completely clean. No KJSynthora watermark added to your files.

Frequently Asked Questions

How to convert JPG to PDF free online?
Upload your JPG images using the dropzone, arrange them in order using drag-and-drop, select page size and orientation, then click "Images → PDF". Your PDF downloads instantly — no signup, no watermark.
Can I convert multiple images to one PDF?
Yes! Upload multiple JPG, PNG, or WebP images. They will be combined into a single PDF in the order you arrange them. Use the drag handles to reorder, or the Up/Down buttons in the toolbar.
Are my images safe and private?
100% safe. Your images are never uploaded to any server. All processing — conversion, OCR, merging — happens entirely in your browser using JavaScript. No one can access your files.
What is OCR and how to extract text from images?
OCR (Optical Character Recognition) reads text from images. Upload a photo of a document, click "Run AI OCR", and the tool extracts all readable text using Tesseract.js. Supports 50+ languages including Hindi, Telugu, Arabic, Chinese, Japanese.
Can I merge multiple PDFs?
Yes! Upload multiple PDF files and click "Merge PDFs" to combine them into one document. All pages are preserved in the original order.
What image formats are supported?
Supports JPG/JPEG, PNG, WebP, BMP, GIF, and TIFF. You can also upload PDF files for PDF-to-images extraction or PDF merging.

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