Personal English learning app
Learn English by writing
Write a few lines. Blindspot explains your mistakes, saves the new words, and turns your weak spots into daily practice.
- Free to start
- Grammar and vocabulary in one place
- A plan built from your own mistakes
Not sure where to start? Take the free English level test
Product preview
See what you get
Your text
Yesterday I didn't saw my friend at the university. I was waiting for him near the library, but he only came in the evening. He said he was busy because he готовился for the exam all day.
Free example · Your account stays unchanged
Feedback
Correction
didn't sawdidn't see
Why it changes
Didn’t already marks the past tense. The following verb stays in its base form, see.
A word you could save
готовилсяwas preparing / was studying
You choose whether to save a suggested word to your vocabulary.
Save words and check writing as you browse
Select a word and click + to save it to your vocabulary.
More detailsBlindspot
endeavour
стараться, попытка
Before you check your first text
Is Blindspot free to start?
Yes. Create an account to try text checks and personalised practice for free, with no card required. You can choose to pay for more practice later.
What happens when I click “Find my mistakes”?
If you’re not signed in, a window opens so you can continue with Google. Your text is kept in this browser tab. After signing in and choosing your native language if needed, Blindspot checks it and opens the result.
What kind of English text can I check?
Try an email, a message, a work note, or a few sentences about your day. This form accepts 30–300 characters; the text checker in your account accepts up to 5,000.
Are words added to my dictionary automatically?
You choose which suggested words to add from the result. This keeps your personal dictionary focused on what you want to learn.
What happens to my text?
The draft is kept in this browser tab. When submitted for checking, the text is sent to OpenAI for analysis, and your text and result are stored in your account. Learn more in our Privacy Policy
Find your blind spots
Paste any English text. See what you keep missing.
Create your free account with Google.
0+
blind spot patterns covered
0+
learners getting unstuck
0%
free to start