Alternatives to Proofly

Glarity is a free Chrome extension that summarizes YouTube videos, PDFs and webpages with ChatGPT, Claude and Gemini.

Arvin is a Chrome-extension AI assistant combining chat with GPT, Claude and Gemini, one-click writing tools, web translation, PDF reading and template-based

Cotypist predicts your next words inline in every Mac app — on-device text prediction that never sends your writing to the cloud.

Wordtune is an AI writing assistant from AI21 Labs that paraphrases, rewrites, proofreads, and summarizes text and YouTube videos.

Inline AI writing assistant that rewrites text right where you type in Chrome.

Eskritor is a free AI text generator that drafts blogs, essays, emails, resumes, stories, and citations from a prompt, with style and length controls.

AI writing companion with ++ autocomplete, chat-with-PDF, and paraphrasing, built for solo writers.

Grammarly is an AI writing assistant that proofreads, rewrites and adjusts tone inside the apps you already type in.

Sudowrite is an AI writing app for novelists and screenwriters, built on its own Muse and Ballad fiction models rather than general-purpose chatbots.

Sassbook is a freemium AI writing suite with specialised tools for articles, stories, summaries, paraphrasing, and headlines.

Slashit App is a Mac and Windows text expander with AI sentence rewriting and clipboard history that works in any app you type in

TinyWow is a free browser toolkit for PDF editing, image cleanup, file conversion, and AI writing — no install, no signup for most tools.

Free iOS app that restyles rooms, exteriors, and gardens from a single photo, with math and writing help bundled in.

Free AI paraphrasing tool with eight rewriting modes, tone controls, and multimodal input.

Chrome-based AI writing assistant with predictive TypeAhead completions, in-field drafting, and citation-backed Scholar AI research.

DeepL Write Pro: an AI writing assistant that rewrites drafts and enforces one brand voice across five languages.

AI paraphrasing tool and writing suite for rewriting, grammar checks, and originality scans.

Typli.ai bundles 204 AI writing tools, multi-model chat, and an AI image generator under one token balance.

Multi-model AI workspace where you draft, compare, and refine structured documents across ChatGPT, Claude, and Gemini in one editable

SmartStudi Sidebar puts an AI detector, paraphraser, and citation generator in a Chrome sidebar.

Lex is an AI writing editor with in-document feedback, rewrites, and title ideas for serious drafters

Monica is an all-in-one AI assistant that puts multi-model AI chat, writing, and research one click away on any web page.

GPTinf humanizes AI text and cross-checks 8 AI detectors so your draft reads human before you submit.

Z.ai is a free browser-based AI assistant and code generator running the open-weights GLM model series.

Kortex is an AI writing workspace and second brain that turns captured ideas, highlights, and notes into finished drafts.

AI keyboard for texts, emails, and dating app icebreakers on iPhone.

Flot.ai is a cross-app AI writing, reading and memory copilot for your macOS or Windows desktop — in a sidebar, not a separate tab.

AIPRM is a browser extension that puts a 5,400+ prompt library and private prompt management inside ChatGPT and Claude.

Free reverse dictionary from Tsinghua THUNLP: describe a meaning in Chinese or English and get the word you want.

Dear Ai generates heartfelt personal letters from a short prompt, with tone control and optional machine-handwritten delivery