Free English to Persian translator with the register set first — تو or شما — and names kept exactly as you wrote them.
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English to Persian translator
English to Persian translation with the register set first
Paste English and get Persian back with the register already decided: تو for people you know, شما for everyone else. Most translators make that choice for you and do not mention it. This one asks first, because in Persian it changes the grammar of every sentence, and a translation that gets it wrong is fluent and still wrong.
How to translate English to Persian
Three steps. The second is the one most translators skip.
1
Paste or upload the English
Type, paste or drop in a document. English is already selected as the source on this page; if the text turns out to be something else, the detector says so above the editor and you can change it.
2
Set the register and mark the names to keep
Pick شما or تو from the register selector beside the language names, or leave it on Match source tone to follow the English. Select any name, brand or product term in the text and press Keep so it is not translated.
3
Translate, then check it
Read the Persian if you can. If you cannot, back-translate it: run the result through Persian to English and compare the meaning, sentence by sentence, with what you started from.
What changes between English and Persian
The differences that decide whether a translation reads as written by a person.
Script and directionEnglish is written in Latin; Persian in Perso-Arabic, right to left. The two run in opposite directions, so a translated document needs its layout checked, not just its words.
Word orderEnglish is subject-verb-object; Persian is subject-object-verb. Sentences are rebuilt, not mapped word for word, and long sentences are where a weak translator loses the thread.
How politeness is markedPersian separates 'تو' (to, familiar) from 'شما' (shomā, polite and plural), and polite speech goes further with formal verbs and set courtesy phrases (ta'ārof).
Formality in EnglishEnglish has no separate polite and familiar 'you'. Register lives in vocabulary and sentence shape instead: 'Could you let me know' against 'Tell me', 'purchase' against 'buy'.
Where translation into Persian goes wrong
Three things Persian readers notice at once, and a machine has to be told about.
Right-to-left, four extra letters
Persian is written right to left in a script shared with Arabic but with four extra letters; a layout that handles Arabic still needs checking for Persian.
No grammatical gender
Persian has no grammatical gender, so 'he' and 'she' both become 'او'; a translation cannot rely on the pronoun to keep two people apart.
Verb last, ezafe
The verb comes last and the 'ezafe' links nouns and adjectives with an unwritten vowel; word-by-word rendering from English produces the wrong order.
What has to be read correctly in the English first
Errors that start on the source side, before a single Persian word is chosen.
'You' is ambiguous
'You' is ambiguous: one person or several, a friend or a stranger. Translators guess, and a guess in the wrong direction is the single most common way an English original lands badly.
Stacked nouns
English piles up nouns ('customer data retention policy'); most languages need those unpacked into phrases, and a literal rendering is unreadable.
Phrasal verbs and idioms
Phrasal verbs ('put up with', 'look into') and idioms are translated word by word by weaker systems.
Who translates English to Persian here
1
Messages to family, colleagues and clients in Iran, Afghanistan and the diaspora.
2
Persian coursework and literature reading.
3
Reading Persian news, forms and product text.
English to Persian translator FAQs
Is the English to Persian translator free?
Yes. Translate English to Persian without an account, within the per-run word allowance shown beside the editor. Signing in raises it, and Pro removes the guest limits and the ads. The pricing page lists what each plan includes.
Should I translate into Persian as شما or تو?
Persian separates 'تو' (to, familiar) from 'شما' (shomā, polite and plural), and polite speech goes further with formal verbs and set courtesy phrases (ta'ārof). Use تو for friends, family and people who have used it with you; use شما for customers, officials, employers and anyone you have not met. The register selector sets this before the translation is made, so the grammar comes out right the first time rather than being patched afterwards.
Will it translate names, brands and product terms?
Not unless you want it to. Select a name or a term in the editor and press Keep, and it is passed through exactly as written. This matters for English to Persian because names are otherwise re-spelled in Perso-Arabic script by sound, and two runs can spell the same name two ways.
How accurate is machine translation from English to Persian?
Good enough to understand a document, answer an email or draft a reply, and it improves when you set the register and mark the names as kept first. It is not a substitute for a human translator on a contract, a medical document or anything with legal weight. The reliable way to check a translation you cannot read is to back-translate it: paste the Persian result into a new run set to English and see whether the meaning survived.
Can I translate a whole document from English to Persian?
Yes. Drop in a .docx, .pdf or .txt file, or paste the text; the output keeps the paragraph structure and can be copied, edited in place or exported. Persian is written right to left, and the editor lays the result out that way.
Can I translate Persian back into English?
Yes. Press the swap button between the two language names to reverse the direction, or set the languages by hand; every one of the 124 languages can be the source or the target.
After the translation
Check the English before you translate it, or shift the register of the result once it is in Persian. One plan covers every tool.
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