Paste or type your text on the left. Select your preferred tone (Standard, Formal, Casual, or Professional) and English dialect. Click Correct Grammar to receive corrected text with changes highlighted — green for additions, red for removals.

Rewrites your text while preserving meaning, using different vocabulary and sentence structures. Five styles: Standard (natural rewording), Fluent (improved flow), Concise (shorter), Creative (more expressive), Formal (academic).

Rewrites AI-generated text to read naturally — varying sentence length and rhythm, replacing generic AI phrases with grounded language. Choose from Natural, Conversational, Academic, or Creative voice.

Analyses text to estimate whether it was written by a human or generated by AI (ChatGPT, Claude, Gemini, etc.). Score below 40% = likely human, 40–70% = uncertain, above 70% = likely AI. No detector is 100% accurate.

Give a prompt describing what you want — topic, purpose, and key points. Choose tone (Standard, Formal, Creative, or Academic), length (Short ~100w, Medium ~250w, Long ~500w), and format (Paragraphs, Bullets, Email, or Essay). Hit "Use as input" to pipe the result straight into Humanise or Grammar.

Translates text into 50+ languages using an AI language model. Select the source language (or let it auto-detect), choose a target language, and optionally set formality (Standard, Formal, or Informal). The translated text appears on the right with the detected source language shown below.

Checks your text against over 1.6 million crawled web pages to find matching content. Splits text into sentences, searches for 8-word phrase matches, and returns an originality score plus a list of sources where similar content was found.

Text submitted is sent to Tobava's servers for processing and is not stored after results are returned. See our Privacy Policy for full details.