The nourishment of your heart is worth more than a quick, illegal download. Seek the book with patience, and God willing, you will find the barakah (blessing) that al-Makki intended for his readers.

Since the free PDF is not legitimately available, here is how to actually read this book:

Islamic Mysticism and Abu Talib al-Makki (2012) is a leading source, providing English readers with translated extracts focusing on the "characteristics of the heart".

If you are a student of Islamic spirituality (Tasawwuf), a researcher of classical texts, or simply a seeker trying to purify your soul, this guide will explain what this book is, why it matters, and where—and where not —to look for its English translation.

This is the most critical part of your request. It is important to manage expectations regarding a "complete" English PDF.

: For a concise guide, Dawateislami offers a short English PDF (15 pages) featuring selected excerpts and wisdom from the text.

Because a full English translation is rare, most "Qut al-Qulub English PDF" searches will lead to the following types of resources:

The book famously influenced Imam Abu Hamid al-Ghazali, who cited it extensively in his magnum opus, Ihya Ulum al-Din (The Revival of the Religious Sciences). Without Qut al Qulub , Ihya as we know it might not exist.