browser-side image conversion

Photos to PDF.

Convert JPG, PNG, and WebP images into a high-quality PDF document.High-fidelity conversion without ever sending your photos to a server.

Deploy files here

Your data never leaves this device. Processing happens in your Local WASM Sandbox.

AES-256 Memory

WASM v2

100% Offline

Bank-Grade Privacy

Docs are decrypted and processed strictly within your browser's RAM.

Zero Latency

Skip the upload queue. WASM processing is up to 50x faster than traditional servers.

No Cloud Sync

We have no database. Your documents exist only while this tab is open.

End-to-End Encryption Active

Privacy

Local Worker

Execution

Off-Main Thread

Memory

Auto-Volatile

Professional Image to PDF Conversion with Absolute Privacy

Converting images to PDF is widely used for creating digital portfolios, submitting homework assignments, or merging scanned receipts into a single expense report. While many 'free' online converters exist, most of them monetize your personal photos or store them on vulnerable cloud servers. DocuStitch provides a secure, on-device alternative.

Our Image to PDF tool uses Client-Side Processing. When you select your JPG, PNG, or WebP files, they are read directly into your browser's memory sandbox. Our WASM-powered engine then draws these images into a high-quality PDF structure using your local hardware. This ensures your private photos—whether they are of IDs, family, or business sketches—never touch a remote server. This is the only safe way to convert photos of sensitive identification or financial documents.

Because the conversion is local, there are no upload bandwidth constraints. You can convert dozens of high-resolution images into a single PDF instantly, without the typical wait times associated with cloud-based services.

On-Device Engine

The entire conversion logic runs in your browser using WASM. Your photos never leave your device.

Privacy Guaranteed

Technically impossible for us to see your images. We don't have a storage layer for your content.

High Fidelity

Preserves original image resolution and color profiles. No aggressive compression unless you choose it.

Instant Export

Zero upload and download latency. Processing happens at the speed of your device's local memory.

Frequently Asked Questions

Everything you need to know about Image to PDF

Is it safe to convert photos of my ID or Passport?

Yes. DocuStitch is designed for exactly this. Since all processing is local, your sensitive ID photos never leave your machine, making it much safer than other online tools.

How many images can I convert at once?

There is no hard software limit. You can convert dozens of images at once as long as your device has enough memory (RAM) to handle them.

What image formats are supported?

We support all modern web formats, including JPG, PNG, WebP, and standard BMP files.

Will the PDF be too large for email?

We optimize the output PDF to be as efficient as possible while maintaining quality. If it's still too large, you can use our Compress PDF tool after conversion.

Stop Uploading. Start Processing Locally.

Join thousands of professionals who trust DocuStitch for mission-critical PDF operations without the risk of cloud leaks.

Client-Side BlobsWASM RenderingZero-UploadLocal-RAM

DocuStitch Image Engine v3.1 • 100% On-Device Conversion • docustitch.app