9 best proofreading and translation tools
Table of Contents
In this article, we've rounded up the best proofreading and translation tools, ideal for helping you produce flawless texts in Portuguese and other languages, simply and efficiently. Check it out!
Read also what is artificial intelligence, old technologies e text correction tools.
Text and spelling correction
Writing clearly is essential—whether in emails, academic papers, professional content, or on social media. To ensure a well-structured text free of grammatical and spelling errors, we've compiled a selection of platforms that help with proofreading texts in Portuguese and other languages, highlighting their features, available plans, and access options.
ChatGPT
O ChatGPT is an AI-based language model of OpenAI that accurately reviews texts and offers clear explanations. Simply paste or type your content—it identifies grammatical, spelling, style, and structural errors, suggesting improvements and justifying each correction.
To correct texts using the ChatGPT, simply access the platform and paste the content into the inbox, using clear prompts such as:
“Corrija a gramática e ortografia deste texto” “Sugira melhorias na clareza deste parágrafo”“Adapte este texto para um tom mais formal” “Analise este texto e forneça sugestões para torná-lo mais persuasivo”For longer texts, it is recommended to divide the content into smaller parts to facilitate review, in addition to requesting incremental evaluations as edits are made, ensuring progressive refinement of the material.
How it works and how it helps you:
- Instant grammar, spelling, and punctuation correction: just ask “fix” or “improve” and it highlights the necessary adjustments.
- Rewritten with clarity and tone adaptation: when asked to “make it more formal/informal” or “more concise”, it rewrites according to the objective.
- Use of academic, business or creative style: tell us the type of text and it adjusts vocabulary, flow and structure.
- Explanations for each suggestion: ideal for learning why something is wrong and avoiding future mistakes.
- Integrated formats: allows you to upload files, generate images, chat by voice, access the web in real time, analyze data and even program.
prices and plans:
- Free: basic access to ChatGPT with GPT‑3.5, with access to text review prompts and browser model (web browsing).
Available platforms:
- API for integration into editorial and corporate workflows
- Web version
- Apps for iPhone (iOS) e Android
Quillbot Grammar Checker
O quillbot is a writing tool focused on AI-powered text correction and enrichment. Simply paste your content, click "Grammar Checker” and you will get immediate corrections to grammar, spelling and punctuation, with clear explanations to improve your text.
Furthermore, the quillbot integrates with various platforms, facilitating direct use in everyday tools such as WhatsApp, Google Docs, Gmail, LinkedIn, Word Online and other browser extensions, allowing for quick and efficient corrections without having to copy and paste content into another environment.
How it works and how it helps you:
- Immediate correction when pasting text; automatically identifies grammatical, spelling and punctuation errors.
- Unlimited paraphrasing (Premium): Improve style and clarity in different modes (standard, formal, etc.)
- Vocabulary Suggestions: adjustable synonyms for more natural weaves.
- Plagiarism detection and AI-generated content on the paid plan (up to 20.000 words per month).
- Simplified flow with browser extensions and plugins for Word/Google Docs, easily integrating into your daily life.
prices and plans
- Free: unlimited grammar corrections; paraphrasing of up to 125 words and summarization (2.500 words).
- Premium:
Available platforms
- Apps for Android e iPhone (iOS)
- Browser extension
Language Tool
O LaguageTool is a correction tool in 30+ languages. You paste or type text and receive corrections on spelling, grammar, style, and punctuation, with contextual explanations.
How it works and how it helps you:
- Robust spelling, grammar, punctuation, and style correction for different languages.
- Picky Mode in Premium for refined spelling suggestions.
- Checking long texts (up to 100.000 characters on Premium).
- Personalisation with dictionaries and style guides.
- Integration with your writing workflow via extensions (Chrome, Word, LibreOffice, etc.).
prices and plans
- Free: basic corrections up to 10.000 characters.
- Premium:
Available platforms
- Apps for Android e iPhone (iOS)
- Browser extension
- Web Access
MicrosoftEditor
With MicrosoftEditor, you have an AI writing assistant built into Word, Outlook and browsersYou write normally and receive real-time corrections that improve grammar, style, and clarity.
How it works and how it helps you:
- Free basic fixes spelling and grammar via Microsoft account.
- Premium features (via Microsoft 365): clarity, conciseness, formality, vocabulary, inclusive language, text prediction and sentence rewriting.
- Contextualized verification directly when typing in Word, Outlook and online fields.
- Synchronization between devices, with custom dictionary.
prices and plans
- Free: Basic version included with Microsoft account.
- Microsoft 365 Personal: US$ 9,99/month (R$ 55,00); or US$ 99,99/year (R$ 550,00).
- Family: US$12,99/month (R$72,00) or US$129,99/year (R$725,00) for up to 6 people.
Available platforms
Clarice.ai
O Clarice.AI It's a Brazilian AI-powered writing assistant that reviews, edits, and rewrites texts in Portuguese, bringing clarity, originality, and polish, ideal for those who produce regular, academic, or creative texts.
How it works and how it helps you:
- Spelling, grammar and stylistic correction, with explicit explanations.
- ready models (e-mail, SEO, blog) that speed up writing.
- Rewriting without loss of meaning, with a focus on clarity and cohesion.
- Plagiarism Detector and AI, ideal for academic work.
- Plugin for Google Docs, facilitating collaborative editing.
prices and plans
- Free (limited): allows basic daily correctionss.
- Creative: R$ 22,45/month (US$ 4,09) – 100.000 words/month, plugin, templates and proofreading.
- Professional: R$44,95/month (US$8,20) – unlimited words/projects and premium support.
- Corporate: customized plan for teams, with management, plugin and dedicated support.
Available platforms
Text translation
Translating texts quickly and accurately has become a common necessity in everyday life. Fortunately, several digital tools offer increasingly natural and contextualized automatic translations.
ChatGPT
Again quoted, the ChatGPT Also capable of translating texts with high contextual quality. You input the content in the original language and can request translation, adjust the tone, simplify, or maintain formality.
To translate texts in ChatGPT, simply access the platform, paste the desired content and use direct prompts such as:
“Traduza este texto para o inglês”“Traduza para o português mantendo o tom informal” “Traduza este parágrafo do espanhol para o português com foco em clareza e naturalidade”. You can adjust the level of formality, the style, or even ask for the translation to sound more natural to a specific audience.
How it works and how it helps you:
- Explanations and learning: in addition to translating, it can explain grammatical choices and help with language learning.
- Direct command translation: just ask “translate to English/Portuguese”.
- Registration control: ask for more formal, informal or technically-worded versions.
- Cultural adaptation: can adjust expressions for the target audience.
- Multiple language support: ideal for translations in professional or creative contexts.
prices and plans
- Free: basic access to ChatGPT with GPT‑3.5, with access to text translation prompts and browser model (web browsing).
Available platforms
- API for integration into editorial and corporate workflows
- Web version
- Apps for iPhone (iOS) e Andrhear
Google translator
O Tradutor is a free service from Google for automatic translation in over 100 languages. It quickly converts between languages, with support for voice, images, and a built-in dictionary.
How it works and how it helps you:
- Instant text translation with immediate reaction.
- Automatic language detection — useful when you don't know the original language.
- Expressions and examples of use: displays synonyms and contexts.
prices and plans
- Free for web and mobile use.
Available platforms
- Web version
- Apps for iPhone (iOS) e Android
- Browser extension
DeepL Translator
O DeepL uses advanced neural networks to offer more natural and accurate translations, especially for European languages, outperforming alternatives such as Google itself as a text translator in some cases.
How it works and how it helps you:
- Translation of texts and documents, preserving Word and PowerPoint formatting.
- built-in dictionary with suggestions and synonyms.
- DeepL Write: to adapt the tone and style to the translated text.
- API for bulk translation or integration with websites/apps.
prices and plans
- Free: up to 1.500 characters per translation, 3 documents per month, 10 glossary entries.
- Starter (Individual): US$8,74/month (R$48,00), unlimited translation of text and 5 documents.
- Advanced: US$ 28,74/month (R$ 158,00), includes documents (20/month), glossary, CAT integration.
- Ultimate: US$57,49/month (R$316,00), 100 documents/month, larger files.
- API Pro: US$25/million characters TranslatePress.
Available platforms
- Web version
- Apps for Android e iPhone (iOS)
- Browser Extensions
Reverso
Reverso is a translation tool based on NMT (Neural Machine Translation) that offers translations with contextual examples, dictionary, conjugations and language learning functions.
How it works and how it helps you:
- Contextual translation: Displays real sentences to show correct usage.
- Dictionary and synonyms, with pronunciation and idiomatic expressions.
- Ctrl+C+C shortcut: Instantly translate selected text on your desktop.
- verb conjugator, flashcards and integrated writing assistant.
prices and plans
- Free: translates texts and sentences, has limited history.
- Premium: €6,49/month (R$38,00), translates 6.000 words/month, proofreads texts, no ads, desktop/mobile apps.
- Pro Documents: €19,99/month (R$ 118,00), 200.000 words/year, files up to 120 MB.
- Enterprise / API: on request.
Available platforms
- Web version
- Apps for iPhone (iOS) e Android
- Browser extension
Which of these tools text correction or translation Did you like it the most? Tell us about it Comment below!
See also:
Sources: Translate e Localize.
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