Workbench

Convert PDF to Black & White Online — Free & Unlimited, No Signup

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Drop files here PDF, images, Office files, text, CSV, HTML, EPUB, ZIP

Selected Tool

Merge PDF

Core

Output name

Mode

Quality 82%

Keep original file name Private processing

Text input Optional for most tools; required when a text-based tool has no uploaded source text.

Library

Optimize

Convert PDF to Black & White online. This tool tunes the file for smaller size or a specific output target.

Is Convert PDF to Black & White free to use?

Yes. There is no account, no daily limit and no watermark. Files can be up to 200 MB each.

What happens to my files?

Uploads and results are stored only while the job runs and are deleted automatically about 15 minutes later.