Black & White Filter
Convert color photos to artistic black and white with contrast controls.
How to Use Black & White Filter
- Upload your file: Drag and drop your file into the active processing area above, or click the box to browse your device files.
- Configure settings: Select your preferred options (such as target file size in KB, compression level, page order, or output format).
- Process locally: Click the primary action button. Your file is rendered and encoded in seconds directly inside your browser memory.
- Download output: Click Download to save the modified document back to your device. No watermarks are added.
Zero-Cloud Privacy Guarantee
Unlike legacy web utilities that upload your sensitive documents to remote servers, PDFtiny executes 100% of processing inside your local browser using WebAssembly. Your files never leave your computer, ensuring complete privacy, enterprise compliance, and offline availability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Processing Engine | Client-Side WebAssembly (WASM) & HTML5 File API |
| Server Transmission | 0 Bytes Uploaded (100% Local Browser Memory) |
| Device Compatibility | Chrome, Safari, Firefox, Edge, Android, iOS, Windows, Mac, Linux |
| Compliance | ISO 32000-2:2020, GDPR Article 25 (Privacy by Design) |
Frequently Asked Questions
How is this filter different from basic grayscale?
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Can I adjust brightness and contrast sliders before downloading?
Yes, interactive sliders let you calibrate exposure, high-key drama, and low-key shadows in real time.
Is it suitable for fine art portraits and street photography?
Yes, it provides cinematic monochrome aesthetics suitable for professional portfolios and social media.
Does it support high-resolution DSLR raw exports (JPG/PNG)?
Yes, process large 24MP+ photo exports directly in your browser without downscaling.