13 best AI Proofreading tools recommended

Reescribir Textos
Reescribir Textos

AI paraphraser with modes; rewrite essays; TXT, DOCX, PDF.

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What is Reescribir Textos AI

Reescribir Textos AI is an online, AI-powered word changer and sentence rewriter designed for writers, students, and professionals. It helps rewrite sentences, paragraphs, essays, and full articles while preserving meaning, improving clarity, and adapting tone. With multiple modes—simple, medium, formal, intelligent, IA mode, shorten, academic, and surprise me—you can tailor the output to style or length. The tool supports uploading TXT, DOC, DOCX, and PDF files, making it easy to rework existing documents. Use it to reduce repetition, refine drafts, and generate alternative phrasings for different audiences.

Main Features of Reescribir Textos AI

  • Multiple rewriting modes: Choose from simple, medium, formal, intelligent, IA mode, shorten, academic, and surprise me to control tone, complexity, and length.
  • Document upload: Import TXT, DOC, DOCX, or PDF files to paraphrase existing content without manual copying.
  • Granular rewriting: Works for single sentences, paragraphs, essays, and long-form articles.
  • Meaning preservation: Reframes text to maintain core ideas while improving readability and coherence.
  • Tone and style control: Switch between academic, formal, or concise styles to match context and audience.
  • Fast results: Generate alternative versions quickly to accelerate drafting and editing workflows.
InstaText
InstaText

AI writing editor that boosts clarity, tone, and grammar—your voice kept.

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What is InstaText AI

InstaText AI is an AI-powered writing and editing assistant that transforms drafts into clear, readable, and natural-sounding English while preserving your intent and authorship. It refines grammar, style, and flow, improves sentence structure, and adapts tone for different audiences. With features like dialect switching (US/UK), a personal dictionary for brand and technical terms, and integrations with Chrome and Microsoft Word, InstaText helps academics, professionals, and everyday writers communicate with confidence. It reduces editing time, elevates clarity, and keeps your original meaning intact across emails, papers, reports, and web content.

InstaText AI Main Features

  • Clarity and readability refinement: Rewrites sentences to improve flow, coherence, and readability while maintaining your original meaning.
  • Grammar and style correction: Fixes grammar, punctuation, and word choice, and aligns style for academic, business, or casual contexts.
  • Tone and dialect adjustment: Switch between US and UK English and fine-tune tone to match your audience.
  • Personal dictionary: Lock brand names, technical terms, and preferred spellings so the AI respects your terminology.
  • Chrome extension: Edit and polish text directly in web apps such as email, CMS editors, and online forms.
  • Microsoft Word integration: Improve drafts within Word to streamline academic and business workflows.
  • Authorial voice preservation: Enhances text without overwriting your unique voice or intent, useful for paraphrasing and proofreading.
  • Productivity boost: Shortens revision cycles and helps non-native speakers write like a native speaker.
Friday: AI E-mail Writer
Friday: AI E-mail Writer

Friday helps you craft personalized emails with tone, stories, and fixes.

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What is Friday: AI E-mail Writer

Friday: AI E-mail Writer is an AI-powered email assistant that helps you draft clear, persuasive messages faster. It delivers personalized suggestions, tone control, story-driven openings, and concise subject lines while performing real-time proofreading. Whether you’re writing letters, replies, or follow-ups, Friday analyzes your intent and context to propose clean phrasing, fix grammar, and enhance flow—without losing your voice. The result is better emails in less time for both professional and personal communication.

Friday: AI E-mail Writer Main Features

  • Smart compose and rewrite: Generate first drafts or improve existing text with concise, context-aware wording.
  • Tone and style control: Switch between formal, friendly, or persuasive tones to match each audience and goal.
  • Story-driven openings: Add light storytelling or hooks to make outreach emails more engaging.
  • Proofreading and polishing: Fix grammar, punctuation, and clarity without altering your core message.
  • Subject line suggestions: Craft clear, action-oriented subject lines that improve open rates.
  • Reply and follow-up help: Summarize context and propose polite, on-point responses or reminders.
  • Templates for letters: Start faster with structures for formal letters, cover letters, and announcements.
  • Context awareness: Tailor suggestions using purpose, recipient role, and key facts you provide.
editGPT
editGPT

Proofread, edit, and track changes with editGPT for native-level English.

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What is editGPT AI

editGPT AI is a ChatGPT-powered writing assistant for proofreading, editing, and tracking changes across drafts. It helps users elevate grammar, clarity, and tone to native-level English while preserving intent. With custom prompts, multi-language support, and transparent change highlights, it streamlines polishing for academic papers, statements of purpose, cover letters, and professional documents. The tool analyzes your text, proposes concise rewrites, and lets you accept or refine suggestions iteratively, making it a reliable companion for authors, students, and teams aiming for consistent, publication-ready communication.

editGPT AI Main Features

  • AI proofreading and grammar correction: Detects grammar, spelling, and punctuation issues and proposes precise edits.
  • Clarity and concision: Rewrites wordy sentences, improves flow, and removes redundancy to enhance readability.
  • Tone modification: Adjusts style to formal, academic, professional, or friendly while keeping your message intact.
  • Track changes: Highlights edits and keeps a clear record of revisions so you can review and accept updates confidently.
  • Custom prompts: Guide the model with tailored instructions or style rules to match brand, academic, or personal voice.
  • Multi-language support: Works with non-English input and helps produce polished English outputs for global audiences.
  • Context-aware suggestions: Considers sentence and paragraph context to maintain coherence and consistent terminology.
  • Iterative editing loop: Refine results by asking follow-up adjustments (shorter, more formal, simpler, more persuasive).
Linguix
Linguix

Linguix AI: real-time AI grammar and rephrasing in Chrome.

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What is Linguix AI

Linguix AI is an AI writing assistant and grammar checker built for content creators and business professionals. Through its Chrome extension, it delivers real-time grammar, punctuation, and style feedback across millions of websites, from Gmail and Google Drive to Asana and HubSpot. It also offers sentence rephrasing, clarity suggestions, and vocabulary improvements to polish emails, documents, and customer communications. Teams gain consistent tone and measurable time savings by integrating Linguix into everyday workflows. Advanced guidance helps reduce errors, improve readability, and speed up drafting without changing your voice.

Linguix AI Main Features

  • Real-time grammar and style checks: Instant feedback on grammar, punctuation, spelling, and clarity as you type across the web.
  • AI rephrasing: One-click sentence rewrites to improve clarity, concision, and tone while preserving intent.
  • Vocabulary enhancements: Contextual synonym suggestions to vary word choice and strengthen style.
  • Seamless integrations: Works in Gmail, Google Drive/Docs, Asana, HubSpot, and other business platforms via the Chrome extension.
  • Snippets for recurring text: Create reusable snippets to standardize responses and speed up emails and support messages.
  • Team-ready controls: Share resources, align tone, and maintain consistency across sales, marketing, and support communications.
  • Readability guidance: Suggestions that help simplify complex sentences and improve overall flow.
Nova
Nova

Nova AI: friendly GPT-powered chat for homework, editing, writing.

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What is Nova AI

Nova AI is a cross-platform conversational assistant that integrates advanced language models such as ChatGPT, GPT-4o, and Gemini. Available on the web, iPhone, Apple Watch, macOS, and Android, it delivers natural, humanlike replies to streamline everyday tasks. Use Nova to get homework guidance, proofread and edit writing, brainstorm ideas, or draft emails and essays. With a focus on clarity and speed, the app turns prompts into polished text and helps you iterate quickly. Optional subscriptions are available for users who want higher limits or enhanced capabilities.

Nova AI Key Features

  • Humanlike chat experience: Produces natural, context-aware responses that feel conversational and easy to refine.
  • Model flexibility: Access to leading models, including GPT-4o and Gemini, to match tasks with suitable capabilities.
  • Writing and editing assistant: Proofreads text, improves tone and clarity, summarizes content, and helps with outlines and drafts.
  • Homework and study help: Explains concepts, suggests steps to solve problems, and provides examples for learning support.
  • Cross-platform availability: Use Nova on web, iPhone, Apple Watch, macOS, and Android for consistent access on the go.
  • Subscription upgrades: Optional plans for users who need more usage, faster access, or advanced features.
Toolsmart Free Humanize AI
Toolsmart Free Humanize AI

Humanize AI text with free, unlimited rewrites and tone modes.

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What is Toolsmart Free Humanize AI

Toolsmart Free Humanize AI is a lightweight rewriting tool that turns robotic or awkward AI drafts into clear, natural prose. It preserves your intent while refining tone, fluency, and readability so text sounds like it came from a real person. With eight humanizing modes and an adjustable polishing level, you can match anything from formal academic voice to simple, conversational copy. it's fast, clean, and free to use—no sign-ups or ads—and supports up to 1500 words per session, making it useful for blog posts, marketing copy, academic work, and chatbot outputs.

Toolsmart Free Humanize AI Main Features

  • Natural human-like rewriting: Transforms AI-generated or rough drafts into smooth, readable text while preserving meaning.
  • Eight humanizing modes: Standard, Fluency, Formal, Academic, Simple, Creative, Expand, and Shorten to match intent and audience.
  • Adjustable polishing level: Control rewrite strength from light touch-ups to highly transformative edits.
  • Readability and tone control: Improves clarity, flow, and voice so content feels human and on-brand.
  • Free and unlimited sessions: No sign-up, no ads; process up to 1500 words per session as often as needed.
  • Instant results, clean interface: Minimal steps and fast processing for quick turnarounds.
  • Works with AI outputs: Humanize text from any AI writer, chatbot, or drafting tool.
OpenL
OpenL

AI translator for 100+ languages: text/docs/audio, grammar and learning

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What is OpenL AI

OpenL AI, powered by OpenL Translate, is an AI translation platform designed to make multilingual communication clear and efficient. It supports over 100 languages and handles text, documents, images, and speech, offering both fast and advanced translation modes to balance speed and accuracy. Beyond translation, it assists with content creation, grammar correction, and language learning, helping users refine tone, improve clarity, and practice new languages. With a simple workflow, OpenL AI streamlines everyday translation tasks and cross-border collaboration for teams and individuals.

OpenL AI Key Features

  • 100+ language coverage: Translate to and from a wide range of languages for global communication.
  • Multimodal translation: Convert text, documents, images, and speech for flexible, real-world use.
  • Fast and Advanced modes: Choose faster output or higher-precision translation depending on context.
  • Content creation assistance: Generate and refine drafts with suggestions that fit target language and audience.
  • Grammar and style correction: Improve readability, fluency, and correctness with AI feedback.
  • Language learning support: Learn through examples, rewrites, and explanations to build confidence.
Trinka
Trinka

Academic-grade grammar and style for technical writing, privacy-safe

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What is Trinka AI

Trinka AI is a next-generation grammar correction and language enhancement assistant built for academic, technical, and formal writing. It goes beyond basic spellcheck by improving usage, tone, clarity, and concision while keeping domain context in mind. Tailored suggestions help researchers, engineers, and professionals follow scholarly conventions, maintain consistent terminology, and present ideas with precision. Delivered as an online grammar checker, Trinka AI emphasizes data privacy so you can refine sensitive drafts with confidence.

Trinka AI Main Features

  • Advanced grammar and punctuation: Detects grammatical errors, punctuation slips, and awkward constructions to strengthen sentence correctness.
  • Academic and formal tone: Promotes objective, professional phrasing suited to journal submissions, theses, and technical documentation.
  • Clarity and conciseness: Suggests simpler structures, removes redundancy, and improves readability without changing meaning.
  • Context-aware recommendations: Considers academic and technical domains to refine terminology, tense, and voice for precision.
  • Consistency checks: Encourages uniform spelling, capitalization, acronyms, numerals, and units across long documents.
  • Style preferences: Enables configurable rules to align with institutional or editorial guidelines and formal writing norms.
  • Privacy-focused processing: Designed to protect sensitive content and support compliance-conscious workflows.
ProWritingAid
ProWritingAid

AI product photo editor: background remover, object eraser, clean shots.

5
Website Freemium Paid
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What is ProWritingAid

ProWritingAid is a comprehensive writing assistant that blends a grammar checker, style editor, and writing mentor in one place. It analyzes drafts for clarity, readability, and consistency, then delivers actionable, well‑explained suggestions so you improve as you edit. With real‑time feedback and deeper reports on sentence structure, overused words, passive voice, and tone, it helps polish emails, articles, fiction, and academic work. ProWritingAid integrates with Word, Google Docs, Scrivener, and major browsers, keeping your writing workflow smooth across devices and apps.

ProWritingAid Main Features

  • Real-time grammar and spelling: Flag and fix grammar, punctuation, and spelling errors as you write.
  • Style and clarity improvements: Suggestions to tighten sentences, remove clutter, and improve readability.
  • Readability reports: Insights on sentence length, complexity, and reading ease to match audience expectations.
  • Consistency checks: Catch inconsistent capitalization, hyphenation, numbers, and terminology.
  • Repetition and overused words: Identify echoes, filler words, and clichés to strengthen word choice.
  • Voice and structure: Highlight passive voice, nominalizations, adverb density, and sentence variety.
  • In-depth reports: Detailed analyses on pacing, transitions, dialogue tags, and structure for long-form writing.
  • Plagiarism checking: Optional scans to detect unoriginal passages and ensure originality.
  • Seamless integrations: Works with Microsoft Word, Google Docs, Scrivener, and browser extensions for web apps.
  • Learning-focused explanations: Clear guidance that helps you understand rules and develop stronger writing habits.
Writefull
Writefull

Visual AI search finds similar images, people, places, and duplicates

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Website Freemium Paid Contact for pricing
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What is Writefull AI

Writefull AI is an academic writing and proofreading assistant built on language models trained on millions of journal articles. It delivers tailored language feedback, from grammar and punctuation to tone, clarity, and academic style, helping researchers craft precise, publishable prose. With widgets for paraphrasing, sentence crafting, and concision, it suggests revisions inline and checks text for errors. Designed for speed and security, Writefull streamlines manuscript preparation for theses, grant proposals, and journal submissions.

Writefull AI Main Features

  • Academic-grade language feedback: Grammar, punctuation, and style guidance tuned for scholarly writing.
  • Paraphrasing and rewriting: Suggests clearer, more concise formulations while preserving meaning.
  • Sentence-crafting widgets: Tools to build and refine sentences and academic phrasing with appropriate tone.
  • Clarity and concision: Shorten or expand passages, split or merge sentences, and reduce redundancy.
  • Consistency checks: Helps align terminology, spelling variants, numbers, and abbreviations across a manuscript.
  • Inline suggestions: Edit in context with change-by-change recommendations you can accept or reject.
  • Secure and fast processing: Built for privacy-conscious academic workflows and quick turnarounds.
  • Flexible workflow support: Works alongside common word processors and LaTeX-based writing environments.
Hemingway Editor
Hemingway Editor

Icons8 AI: free icons, illustrations, photos, music + smart design tools.

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What is Hemingway Editor AI

Hemingway Editor AI is a readability-focused writing assistant that helps you produce bold, clear prose. It flags long or complex sentences, overuse of adverbs, passive voice, and needlessly complicated wording. Color-coded highlights make issues easy to spot: yellow suggests shortening, red marks overly dense sentences, purple points to simpler alternatives, and blue identifies weakening phrases. With Hemingway Editor Plus, you can apply AI-powered fixes, run an advanced grammar checker, and adjust tone or style to refine clarity without losing your voice.

Hemingway Editor AI Key Features

  • Color‑coded readability highlights: Instantly see complex sentences, passive voice, adverbs, and difficult words.
  • AI rewrite and fixes (Plus): One‑click suggestions to shorten, simplify, clarify, or restructure flagged text.
  • Advanced grammar checker (Plus): Detects grammar, spelling, and agreement issues alongside readability edits.
  • Tone and style controls (Plus): Shift voice to formal, casual, or persuasive while keeping meaning intact.
  • Readability grade and metrics: Track grade level, sentence length, and adverb/passive counts to guide edits.
  • Concise wording suggestions: Highlights complex words and proposes simpler alternatives to improve clarity.
  • Minimal, distraction‑free editor: Focused interface for drafting and polishing content.
Knowt
Knowt

Google AI search copilot with trusted sources and PDF/web highlights.

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What is Knowt AI

Knowt AI is a free Quizlet alternative trusted by millions of students and teachers. It lets you import Quizlet study sets and review them with unlimited Learn mode, a fast Matching game, and other practice options. Beyond flashcards, Knowt AI adds smart study tools: a live lecture note taker that captures and organizes classes in real time, a PPT/PDF summarizer for quick comprehension, and a snap-and-solve feature for problem help. You can create and share flashcards and notes, and tap into millions of community resources across subjects and major exams—all in one streamlined study workspace.

Knowt AI Main Features

  • Quizlet import: Bring in existing Quizlet sets so you can keep studying without starting over.
  • Unlimited Learn mode: Practice as much as you want with structured review to build retention.
  • Matching game: Turn study time into quick recall drills that reinforce memory.
  • Live lecture note taker: Capture classes in real time and auto-organize notes for faster review.
  • PPT/PDF summarizer: Convert slide decks and documents into concise summaries and key takeaways.
  • Snap & solve: Photograph a question to get guided help and clarifying explanations.
  • Create & share: Build flashcards and notes from scratch and share sets with classmates or the wider community.
  • Massive resource library: Access millions of study materials spanning school subjects and standardized exams.