PDFIXOIn-Memory Ready
PDFIXOPdfgrayscale Without Losing Quality
Select any PDF document from your desktop or phone
Our engine rasterizes the PDF to grayscale.
Save your newly converted black and white PDF.
The PDFixo Grayscale Converter strips all color from your PDF, outputting a pure black-and-white (grayscale) document. Perfect for saving ink on printers or meeting strict submission guidelines.
Upload a single PDF document by dragging it into the zone or clicking 'Upload PDF'.
Optionally specify a target file size (e.g. 500 KB or 2 MB). If left blank, we will apply an optimal smart-compression.
Click 'Convert to Grayscale' and download your perfectly optimized file in seconds.
Automatically balances file size reduction with visual fidelity, perfect for email attachments.
Need your PDF strictly under 2MB for an online portal? Just set a target and we do the math.
We never store or upload your sensitive documents. Total privacy guaranteed.
No. Our compressor prioritizes text clarity and vector graphics. Images may be slightly downsampled, but documents remain perfectly legible and professional.
Because we process files using your device's memory, you can compress files up to several hundred megabytes, depending on your RAM.
100%. We employ zero-retention policies. Your files never leave your device.
Handling document workflows requires strict adherence to privacy and formatting standards. When processing files for without losing quality, sensitive data such as personal identifiers, financial ledgers, and institutional credentials must never be exposed to third-party databases. PDFixo provides instant client-side execution, ensuring zero data persistence and immediate lossless results.
Files remain isolated in browser volatile memory. Zero server uploads guarantee compliance with institutional and corporate privacy mandates.
Eliminate slow uploads and remote queue times. High-performance WebAssembly executes transformations locally at device-native speeds.
Preserves native fonts, margins, annotations, and vector geometries without rasterizing text or introducing compression artifacts.
Yes. PDFixo utilizes a unique client-side in-memory architecture. Your documents are processed entirely inside your web browser sandbox using WebAssembly and Web Workers. Your files are never uploaded to, saved on, or viewed by our servers.
No installation, extension, or account registration is needed. You can use this utility directly on any device including Windows, Mac, iPhone, and Android completely free.
No. Vector geometries, embedded fonts, layers, and color profiles are strictly maintained to ensure professional fidelity and compliance.
There are zero artificial paywalls or document limits. Because computation runs locally on your device, processing capacity is limited only by your browser's available memory.