AI Undetectable
Freemium
Humanizing AI text
PaperBleach
Freemium
AI detectors flag the same paragraph differently on GPTZero versus Turnitin, and most rewrite tools leave you guessing which detector your professor or editor is actually running — PaperBleach pairs the humanizer and the detector in a single pass so you see the score before anyone else does.
$17.99/mo · Free tier: 1 free rewrite per month, 2,500 max words per rewrite, 300 AI detection checks per month · Checked Oct 26, 2026
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Screenshots 1
Summary
The tool accepts up to 2,500 words, rewrites the draft to vary sentence rhythm and word choice, then scores the output with a built-in detector — all without switching tabs. The vendor describes two distinct rewrite modes: Balance for most text, and a stronger mode that pushes further from original phrasing when the first pass still reads hot. Sentence-level scoring means you can pinpoint exactly which lines carry the machine fingerprint instead of churning the whole draft. No API, no self-hosted option, no programmatic access — the workflow is paste-and-review, browser only. For a student polishing one essay before submission, that is sufficient; for a marketing team processing hundreds of drafts a week, it is a ceiling.
Bottom line: Pick this for a student checking a single AI-assisted draft against academic detectors; plan a different stack when your team needs bulk processing or API integration to fit an editorial pipeline.
Pricing Plans
SubscriptionLast verified 1 week ago- Price
- $17.99/mo
- Free Tier
- 1 free rewrite per month, 2,500 max words per rewrite, 300 AI detection checks per month
Free
Free
Free tier with limited features
- 1 free rewrite per month
- 2,500 max words per rewrite
- 300 AI detection checks per month
- AI Humanizer
- AI Detector
- APA Converter
- AI Editor
Premium
$17.99per month
$10/yr Save 95%
Premium plan with $120 billed yearly u2014 Save over 40% vs monthly
- 200 AI Rewrite Per Month
- Up to 2,500 Words Per Rewrite
- AI Detection
- APA Converter
- AI Editor
- Trusted by AI Detectors
- Live Transcribe u2014 40 free hours/month
Ultra
$36per month
$18/yr Save 96%
Ultra plan with $216 billed yearly u2014 Save 50% vs monthly
- 800 AI Rewrite Per Month
- Up to 2,500 Words Per Rewrite
- Everything in Premium
- Priority Customer Support
- Early Access to New Features
- Live Transcribe u2014 80 free hours/month
View full pricing on paperbleach.ai →
Pricing may have changed since last verified. Check the official site for current plans.
Find your fit
Before you choose PaperBleach
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Pros
- Rewrite and detection score happen in the same flow, so you do not waste a rewrite discovering the output still fails — you see the sentence-level score immediately and fix only the lines that need it.
- Sentence-aware scoring identifies exactly which lines carry the machine fingerprint, which means you avoid churning a whole draft when two sentences are the actual problem.
- Tested against the specific detectors — GPTZero, Turnitin, Copyleaks, Originality.ai, ZeroGPT — that academic and editorial gatekeepers actually run, so the pre-check is against real-world targets rather than an in-house model.
- The vendor states upfront that no tool guarantees a detector pass every time, which means you are not building a workflow around a promise that breaks the first time a detector retrains.
- Freemium access means a first run requires no commitment, so you can verify whether the rewrite quality fits your use case before paying.
Cons
- The 2,500-word-per-run cap stops a marketing or SEO team cold the moment they try to process article batches — every piece requires a separate manual paste session, and there is no batch mode described anywhere on the vendor page.
- No API means PaperBleach cannot be embedded in a content pipeline, a CMS workflow, or a CI-style editorial review process; teams that outgrow the single-draft browser session switch to a competitor that offers programmatic access.
- Detection models retrain on their own schedules, and the vendor's own documentation acknowledges that a score that passes today does not guarantee a pass after the next model update — teams in high-stakes academic environments cannot treat a PaperBleach score as a permanent clearance, only a point-in-time read.
About
- Platforms
- Web
- API Available
- No
- Self-Hosted
- No
- Last Updated
- August 16, 2026
Best For
Who it's for
- Students checking work against academic detectors
- Writers and bloggers refining AI drafts
- Marketers and SEO teams producing readable content
- Non-native English speakers verifying text scores
What it does well
- Polishing AI-assisted student drafts before submission
- Converting AI first drafts into publishable articles or blog posts
- Creating natural-sounding marketing copy and landing pages at scale
- Helping non-native English writers avoid false positives on detectors
Frequently Asked Questions
- Is PaperBleach free?
- PaperBleach offers a free option alongside paid upgrades. Pricing: $17.99/mo. Check the current allowances and terms before choosing a plan.
- What platforms does PaperBleach support?
- PaperBleach is available on: Web.
AI detectors flag the same paragraph differently on GPTZero versus Turnitin
Most rewrite tools leave you guessing which detector your professor or editor is actually running. PaperBleach pairs the humanizer and the detector in a single pass so you see the score before anyone else does. The tool accepts up to 2,500 words, rewrites the draft to vary sentence rhythm and word choice, then scores the output with a built-in detector. The vendor describes two distinct rewrite modes: Balance for most text, and a stronger mode that pushes further from original phrasing when the first pass still reads hot. Sentence-level scoring means you can pinpoint exactly which lines carry the machine fingerprint instead of churning the whole draft. No API, no self-hosted option, no programmatic access — the workflow is paste-and-review, browser only.
Free tier limits
First humanization free after sign-up with 2,500-word limit per pass.
Pros
Rewrite and detection score happen in the same flow, so you do not waste a rewrite discovering the output still fails. Sentence-aware scoring identifies exactly which lines carry the machine fingerprint. The tool is tested against GPTZero, Turnitin, Copyleaks, Originality.ai, and ZeroGPT.
Cons
The 2,500-word-per-run cap stops a marketing or SEO team cold when they try to process article batches. No API means PaperBleach cannot be embedded in a content pipeline or CMS workflow.
Who it is for / who should skip it
Best for students checking work against academic detectors, writers and bloggers refining AI drafts, marketers and SEO teams producing readable content, and non-native English speakers verifying text scores. Teams that need batch processing or programmatic access should skip it.
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