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About

Quillbot is an AI-powered communication and creation platform that helps people write, research, brainstorm, edit, design, and communicate more effectively. From AI Chat, paraphrasing, grammar checking, summarization, and translation to AI-powered presentations, image generation, image editing, PDF tools, and citation generation, Quillbot brings together everything needed to move from an idea to polished work in a single workspace. Whether you’re a student, professional, educator, marketer, researcher, or business team, Quillbot helps improve clarity, save time, and bring ideas to life across every stage of the creative workflow.

About

Sinceerly is a lightweight AI-powered “humanizer” designed to reverse the polished, formulaic tone of AI-generated writing and make emails feel more natural, imperfect, and authentically human. Positioned as the opposite of traditional writing assistants, it integrates directly into Gmail as a Chrome extension, allowing users to draft emails normally and then transform them with a single click. It focuses on removing common AI writing signals, such as em dashes, repetitive phrases like “not just…,” and overly structured language, replacing them with simpler wording, abbreviations, and intentional imperfections. It introduces controlled variability through a single slider with three intensity levels, each progressively altering tone, structure, and formatting to mimic real-world communication styles. Users can preview all edits through highlighted changes and selectively apply them, maintaining control over the final message.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Quillbot is designed for students, professionals, marketers, writers, educators, teams, and everyday users who want AI-powered help with writing, editing, research, presentations, translation, and content creation

Audience

Sales professionals and outbound communicators who want AI-written emails to sound more natural and human to improve response rates

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$8/month/user
Free Version
Free Trial

Pricing

$4.99 per month
Free Version
Free Trial

Reviews/Ratings

Overall 4.5 / 5
ease 5.0 / 5
features 5.0 / 5
design 4.0 / 5
support 4.5 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • It literally helps avoid mistakes and generally makes your document interesting. it's grammar checker is also good.
  • I've looked at a lot of the AI writing tools out there, and found Quillbot to offer a lot of features for their pricing. The software rewrites content very well and allows you to expand upon text used.

Cons

  • It is a great tool, i don't really see any problem with it.
  • The interface could be nicer and the speed of rewriting / rephrasing could be faster. But overall it's very good.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Quillbot
Founded: 2017
United States
quillbot.com

Company Information

Sinceerly
United States
sinceerly.com

Alternatives

Alternatives

BrowserGPT

BrowserGPT

HIX.AI
Grammarly

Grammarly

Superhuman

Categories

Categories

Integrations

Google Chrome
Avoid.so
Claude
Gmail
Google Docs
Humanio
Microsoft Edge
Microsoft Word
Safari

Integrations

Google Chrome
Avoid.so
Claude
Gmail
Google Docs
Humanio
Microsoft Edge
Microsoft Word
Safari
Claim Quillbot and update features and information
Claim Quillbot and update features and information
Claim Sinceerly and update features and information
Claim Sinceerly and update features and information