grayscale pdf: arthize vs pdftk →
Grayscale PDF: Arthize vs PDFtk
Updated July 2026
To convert a PDF to grayscale, Arthize offers a free, private grayscale pdf with no watermark — a focused alternative to PDFtk. Converting a PDF to grayscale removes colour from every page, which cuts file size and prepares a document for black-and-white printing.
Arthize's grayscale pdf vs PDFtk
PDFtk is a command-line PDF toolkit. PDFtk is a free command-line tool for scripted PDF operations.
Arthize's approach: Converting a PDF to grayscale removes colour from every page, which cuts file size and prepares a document for black-and-white printing.
- A visual workspace instead of memorising command-line flags.
- 50+ tools live in one workspace, so you don't jump between single-purpose pages.
- Files are processed inside your private Arthize workspace and deleted after the job — never sold or used to train models.
- Handles conversion, OCR, signing and editing that PDFtk doesn't.
How to convert a PDF to grayscale with Arthize
Grayscale conversion removes colour from every page.
It prepares documents for black-and-white printing.
It can reduce size on colour-heavy scans.
How to convert a PDF to grayscale with Arthize
- 1
Open the tool
Sign in and open the grayscale tool.
- 2
Add your PDF
Upload the colour document.
- 3
Convert
Arthize converts all pages to grayscale.
- 4
Download
Get a grayscale PDF.
Common questions
- Is Arthize a good PDFtk alternative to convert a PDF to grayscale?
- Yes. Converting a PDF to grayscale removes colour from every page, which cuts file size and prepares a document for black-and-white printing. Arthize does it free with no watermark and deletes the file after the job. PDFtk is excellent for developers automating simple, repeatable PDF tasks from scripts.
- How do I convert a PDF to grayscale?
- Converting a PDF to grayscale removes colour from every page, which cuts file size and prepares a document for black-and-white printing. On Arthize it's free with no watermark and processed privately.
- Will grayscale reduce my PDF's file size?
- Converting a PDF to grayscale removes colour from every page, which cuts file size and prepares a document for black-and-white printing. On Arthize it's free with no watermark and processed privately.
Related
Everything is in one window.
Arthize bundles 50+ PDF tools in one private workspace. Start free — no watermark, no credit card.
Try Arthize free