Browser tools keep the product useful from day one. Paid plans add more throughput, better modes, and cleaner writing workflows when usage becomes serious.

Starter / Pro
Stripe billing
Browser-first start

Review plans →

Flagship Tool

AI Humanizer
Natural-Sounding Writing

Transform AI-generated text into natural, human-sounding content that reads better in academic, professional, and everyday contexts. Choose from 9 writing modes to match your context.

9 modes — Standard, Academic, Blog, Formal, Simple + 4 premium
Scores below 30% on GPTZero, Turnitin, Originality.ai
Preserves meaning — changes how it sounds, not what it says

Try Humanizer See pricing →

codaone.ai/ai-humanizer

AI Input Artificial intelligence has fundamentally transformed the landscape of modern technology. Moreover, the integration of machine learning algorithms plays a crucial role...

Humanized AI has really changed how we think about tech these days. Machine learning, in particular, has become one of those things that quietly makes everything work better behind the scenes...

56%

Before

→

12%

After

Pass

Detection

codaone.ai/ai-detector

AI has really changed how we think about tech these days. Machine learning, in particular, has become one of those things that quietly makes everything work better...

56% → 12%

Likely Human-Written

Average AI detection score after humanizing

AI-Generated Human-Written

Browser-First Start

AI Detector
Know Before You Ship

Check any text for AI patterns in a browser-first workflow. Open the detector in the web app, run a first pass, then keep revising inside the same tool family.

Detector starts in the web app with a lower-friction first review pass
Statistical model — zero API cost, instant results
Humanize + Detect workflow — write, check, iterate

Check Your Text

Chrome Extension

Use Coda One wherever you write.

Take the Humanizer and Detector into your browser workflow instead of bouncing between tabs.

Chrome Extension for AI writing

Humanize, detect, and refine text directly inside your usual workflow.

Use Coda One in docs, email, LMS, and CMS workflows without copy-paste loops
Run Humanizer and Detector side by side while you edit and review final copy
Keep your browser workflow fast with one-click access instead of tab switching

Explore Extension See how it works →

Pricing

Simple, honest pricing.

PDF, image & dev tools stay available in the browser. Upgrade for higher AI writing capacity.

Free to start

Start the first task in your browser before account setup

Stripe billing

Card checkout is simple and self-serve

7-day refund window

Lower-risk upgrade path for paid plans

Free

Start in browser

3 AI uses / day
AI Detector — in web app
PDF, image & dev tools
Lower-friction first use

Start free

Starter

$9.99/mo

For creators

30K words/month
All writing modes
500 words/process
Email support

Get Started

Pro Recommended

$19.99/mo

For professionals

100K words/month
Higher per-process capacity
Batch file upload
Priority support

Upgrade to Pro

Business

$39.99/mo

For teams

500K words/month
API access
Priority processing
Everything in Pro

Get Business

Why Coda One

One product, multiple workflows.

Coda One brings AI Writing, free tools, and browser workflows together under one product identity.

Browser-First File Processing

PDF and image tools process files in your browser. Files are not uploaded to our servers during processing.

vs. iLovePDF uploads to servers

Direct-Use Start

Open the page and start the first task in your browser. No extension setup before the first run.

vs. Monica requires Chrome extension

100+ Tools, One Product

AI Writing, PDF, image, and developer workflows live inside the same Coda One experience.

vs. competitors do one category only

Free Start, Paid Throughput

PDF and image tools stay available in the browser. Writing starts with 3-5 free uses/day, then paid plans add more throughput when your workflow grows.

vs. SmallPDF limits to 2 files/day

Free Tools