The Quran was first memorised and recited by the Prophet ﷺ's companions, and it was written down during his life. After his death, the text was collected into one book under Abu Bakr, and later copied into a standard form under Uthman. This article explains each stage and the main sources for it.
Before the collection
During the Prophet ﷺ's lifetime, the revelation was recited, memorised, and written. Scribes recorded it on whatever materials were available, such as leather, bones, palm stalks, and stones. Zayd ibn Thabit, one of the Prophet ﷺ's scribes, was among those who wrote down revelation.
The Quran was not a single book in the Prophet ﷺ's lifetime. Verses were written on separate pieces and arranged as the revelation came. Many companions kept parts of it, and many more memorised it.
The collection under Abu Bakr
After the Prophet ﷺ died, many memorisers of the Quran were killed in the Battle of Yamamah, around 632 CE. The companion Umar was worried that more of the Quran would be lost if more memorisers died in other battles. He urged Abu Bakr to gather the Quran in one place.
Abu Bakr hesitated at first. He asked how he could do something the Prophet ﷺ had not done. Umar kept urging him, and Abu Bakr eventually agreed. He asked Zayd ibn Thabit to take on the task.
Sahih al-Bukhari gives Zayd's own account. He searched for the Quran and gathered it from written pieces, from leather and palm stalks, and from the memories of people who had learned it. The result was a set of complete sheets. Abu Bakr kept them until he died. Then they passed to Umar, and after Umar's death they were held by his daughter Hafsah, a wife of the Prophet ﷺ.
The work was not a new revelation. It was a careful gathering of the existing text into one written collection. Zayd gathered the text from written pieces and from memory.
The standard copies under Uthman
Years later, during the reign of Uthman, Muslims from different regions were reciting the Quran in different ways. Sahih al-Bukhari reports that Hudhayfah ibn al-Yaman became alarmed during a campaign. He saw the differences and asked Uthman to act before the Muslims divided over the Book, as earlier communities had done.
Uthman asked Hafsah for the sheets held by Abu Bakr and Umar. He appointed a committee to copy them into a standard form. Zayd ibn Thabit led the committee. He was joined by three Quraysh companions: Abdullah ibn al-Zubayr, Sa'id ibn al-As, and Abd al-Rahman ibn al-Harith ibn Hisham.
Uthman gave the committee a clear rule. Where they differed on a word, they were to write it in the dialect of Quraysh, because the Quran was revealed in their language. The committee made several copies, and Uthman sent them to the main cities of the Muslim world. He also ordered that other written versions be destroyed, so that one standard text would remain.
Accounts differ on the number of copies. Several reports name four or five, and some name more. Copies were sent to cities such as Makkah, Kufa, Basra, and Damascus, and one copy was kept in Madinah.
What the standard text is
The Uthmanic text fixed the consonantal outline of the Quran. Reading marks, such as dots that separate letters and vowel signs, were added later. This means the early standard text could accommodate several recognised ways of reciting the same words.
The Quran says that Allah protects it:
إِنَّا نَحْنُ نَزَّلْنَا ٱلذِّكْرَ وَإِنَّا لَهُۥ لَحَـٰفِظُونَ ٩
Indeed, it is We who sent down the Qur'an and indeed, We will be its guardian.
Surah Al-Hijr (15:9)
Scholars often point to two kinds of evidence for the text's preservation. One is the written copies from the early period. The other is the large number of people who have memorised the Quran in every generation, in many regions and languages. Both have carried the text across generations.
Common questions
Was the Quran written down only after the Prophet's death?
No. It was written down during his lifetime, on the materials available at the time. The collection under Abu Bakr gathered those written pieces, together with what was held in memory, into one book.
Did Uthman change the Quran?
Uthman standardised the written form. He did not compose new passages or remove any. The committee copied the collected sheets, and the copies sent to the cities carried the same text. Other written versions were ordered destroyed, so that disagreement over the text would end.
Why did Uthman choose the dialect of Quraysh?
The Quran was revealed in the language of Quraysh, so the committee used their dialect where it differed on a word. This settled the written form. The recognised readings still allow some variation in pronunciation, and the standard script was written to accommodate them.
Why the story matters
The story of the compilation is a useful starting point for anyone who wants to understand the Quran's history. It answers a common question: how did the text reach us in one form?
The answer has three parts. First, the Quran was memorised and recited from the beginning. Second, the companions wrote and checked the text during the Prophet ﷺ's lifetime and after it. Third, under Uthman, the text was fixed in a standard form and sent to the main cities.
Readers who want to go further can study the recognised readings, known as the qira'at. The standard text is consistent with them, and that is one reason the Uthmanic copies remained the basis for later mushafs.