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Free AI translator

Translate text between English, Spanish, French, German and more — clean dual-pane layout, one-click language swap, instant copy. 10 languages free, 50+ on Pro.

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WHY TEXTSIGHT

Translation that keeps the nuance

10 languages free

English, Spanish, French, German, Italian, Portuguese and more — 50+ unlocked on Pro.

Swap in one click

Flip source and target languages instantly to translate back and check the meaning.

Tone preservation PRO

Choose formal or casual register and translate whole documents — on Pro.

Translated text reads stiff?

Run the English version through the AI Humanizer to make it sound natural.

Try the Humanizer
THE SHORT VERSION

A translator that reads the whole sentence first

Most of the time you don't need a certified translation — you need to read an email from a supplier, reply to a guest in their language, or understand a paragraph someone pasted into a chat. This tool is built for exactly that: paste text, pick a target language, and get a clean version back in the right pane in a few seconds.

What separates a useful translation from a clumsy one is context. The same word can mean different things depending on the sentence around it — "charge" is a fee, an accusation, or a battery level, and the only way to pick the right one is to look at the rest of the line. The dual-pane layout keeps the original next to the result so you can compare them side by side, and the swap button lets you translate the result back to sanity-check that the meaning survived the round trip.

UNDER THE HOOD

How the translation is actually produced

When you press Translate, your text is sent over HTTPS to the TextSight API, where a large language model reads the full passage and rewrites it in the language you chose. That matters more than it sounds. Older phrase-based systems swapped words and short chunks one at a time, which is why they so often produced grammatical-looking nonsense. A model that reads the whole input can carry tense, gender agreement, and the subject of a sentence across the gap between languages.

Because it works on meaning rather than a fixed dictionary, it handles things a lookup never could: idioms get an equivalent expression instead of a literal one, and word order is rearranged to fit the target grammar — adjectives flip after the noun in Spanish, the verb migrates to the end in German. It isn't pulling from a stored bank of pre-translated sentences, so two slightly different inputs can produce two different phrasings, both correct. The trade-off is that the result is a confident interpretation, not a guaranteed match, which is why the limits below are worth knowing.

WHO REACHES FOR IT

The moments a quick translation actually helps

Translation used to be a once-a-trip event. Now it's something people do a dozen times a day without thinking about it — usually to get the gist of something fast, then move on:

COVERAGE & HONEST LIMITS

What it handles well — and where to slow down

The free tier covers ten widely used languages — Spanish, French, German, Italian, Portuguese and others — with 50+ unlocked on Pro alongside tone control and document upload. It's at its best with everyday prose: messages, emails, articles, product descriptions, and conversational text where the goal is to understand and be understood.

It's weaker exactly where stakes are highest. Legal, medical, and financial wording carries meaning in single words, and a near-miss there is a real problem — those documents need a qualified human translator, not a draft. Highly local slang, brand-specific phrasing, and poetry tend to lose their edges. And the further a language pair sits from English, the more a sentence can drift; rarer languages have less training data behind them. The honest rule is simple: trust it to tell you what a passage means, but have a fluent speaker review anything you're going to publish, sign, or send somewhere it can't be taken back.

USING THE RESULT

How to check a translation you can't read back

The hard part of using any translator is that you often can't judge the output — that's why you needed it. A few habits catch most of the mistakes before they cost you anything.

FAQ

Translator questions

Which languages are supported?
The free tier covers 10 widely used languages including Spanish, French, German, Italian and Portuguese. Pro expands to 50+ languages plus document upload and tone control.
How accurate is it?
It produces a faithful gist translation suitable for understanding and everyday use. For publication-grade or legal text, always have a fluent speaker review the result.
How much can I translate for free?
Anonymous users can translate up to 500 characters; a free account raises that to 3,000 characters, and Pro removes the limit entirely.
Can I translate a whole document?
Document upload (DOCX/PDF) and batch translation are Pro features. The free tool handles pasted text.
Is my text stored?
Your text is sent securely over HTTPS to the TextSight API and processed on our servers to produce the translation.
Does it work on mobile?
Yes — the dual panes stack vertically on phones.