Clean Paste AI
Clean Paste AI is an AI clipboard sanitizer and text cleaner that strips hidden Unicode characters and Markdown residue from copied text before pasting it into documents. Cleaning runs locally in the browser, with optional Pro tools (Text Watermark Remover and AI Humanizer) that use credits for semantic rewriting.

Key facts
What is Clean Paste AI?
It removes invisible Unicode artifacts and Markdown noise from AI-copied text entirely in the browser, with optional Pro semantic rewriting for embedded watermarks and stiff AI prose.
Who is Clean Paste AI best for?
Publishing editors, technical writers, copywriters, content ops teams, agencies, and developers working with AI-generated text
Does Clean Paste AI have a free plan?
According to official sources, a free plan is available. Official pricing
What does Clean Paste AI cost?
Verified starting price is USD 3 / month. View source
What are its main limitations?
- Text Watermark Remover and AI Humanizer are Pro-only and metered by credits (10 credits = 1,000 words)
- Pricing page displays monthly-equivalent prices for annual billing, and only annual plans are shown by default
- No public API or developer integration is mentioned
- Free tier is limited to character and Markdown cleanup, not rewriting
Limitations are based on product materials or editorial synthesis; confirm on the official site.
When was this information verified?
October 14, 2026
Sources
- Official homepageofficial homepage · Oct 14, 2026
- Official pricingofficial pricing · Oct 14, 2026
Key features
- ✓Invisible Character Detection (free): scans and strips 60+ non-printing Unicode code points, joiners, and ghost spaces locally in the browser
- ✓Markdown Stripper (free): flattens raw headings, bold asterisks, blockquotes, code fences, and bracketed links into clean plain text
- ✓Paste Residue Detector: shows an itemized count of zero-width tokens, narrow spaces (U+202F), BOMs, and markdown tags found in the draft
- ✓Text Watermark Remover (Pro): reconstructs draft phrasing via semantic rewriting when watermarks are embedded in word choice
- ✓AI Humanizer (Pro): refines stiff transition formulas and mechanical sentence pacing into more organic prose
- ✓100% local in-browser execution for free cleaning, with no text uploaded
- ✓Multi-language interface (English, Chinese Traditional, Japanese, Korean, German, French, Spanish, Italian, Portuguese, Dutch)
- ✓Platform-specific cleaning guides and tools for ChatGPT, Claude, and Gemini output
Use cases
- →Sanitizing articles before publishing to WordPress, Webflow, or Notion so invisible tokens don't break meta fields
- →Turning raw AI chat transcripts into clean plain text for style guides and editorial review
- →Cleaning client copy of Markdown tags and zero-width artifacts before delivering final files
- →Normalizing assistant-generated code comments and release notes before pushing to repositories or internal wikis
- →Removing pasted AI text artifacts that cause font glitches, erratic line wraps, or spreadsheet #VALUE! errors
Pricing
Free
$0
- · Invisible Character Removal
- · Markdown Cleaner
- · Runs in your browser
- · No login or limits for free tools
Starter
$3.00/mo
- · Billed $35.94 once / year
- · 200 credits / mo
- · ≈ 20,000 Pro words / month
- · Text Watermark Remover + AI Humanizer
- · All Free tools included
- · Credits refresh every billing cycle
Professional
$5.00/mo
- · Billed $59.94 once / year
- · 420 credits / mo
- · ≈ 42,000 Pro words / month (≈2× Starter)
- · Text Watermark Remover + AI Humanizer
- · All Free tools included
- · Built for client work and publishing cadence
Advanced
$10.00/mo
- · Billed $119.94 once / year
- · 1000 credits / mo
- · ≈ 100,000 Pro words / month — highest tier
- · Text Watermark Remover + AI Humanizer
- · All Free tools included
- · Best for teams, agencies, and batch work
Free forever for invisible-character and Markdown cleaning; annual Pro plans from $3.00/mo (billed $35.94/year), with a limited-time 50% off annual offer.
Pros
- +Free invisible-character and Markdown cleaning with no login or usage limits stated for free tools
- +Cleaning runs locally in the browser, so private text is not uploaded for free cleaning
- +Reports exact residue counts per detected character or markdown tag
- +Pro tools address embedded statistical watermarks and mechanical AI phrasing
- +Interface available in ten languages
Cons
- −Text Watermark Remover and AI Humanizer are Pro-only and metered by credits (10 credits = 1,000 words)
- −Pricing page displays monthly-equivalent prices for annual billing, and only annual plans are shown by default
- −No public API or developer integration is mentioned
- −Free tier is limited to character and Markdown cleanup, not rewriting
Positioning
- Core value: It removes invisible Unicode artifacts and Markdown noise from AI-copied text entirely in the browser, with optional Pro semantic rewriting for embedded watermarks and stiff AI prose.
- Ideal for: Publishing editors, technical writers, copywriters, content ops teams, agencies, and developers working with AI-generated text
- Product type: Web app (runs in-browser)
Frequently asked questions
What is Clean Paste AI?
It is an AI clipboard sanitizer and text cleaner that strips hidden Unicode characters and Markdown residue from copied text before you paste it into documents. It also offers optional Pro tools for text watermark removal and AI humanization.
How much does Clean Paste AI cost?
Free tools (Invisible Character Removal and Markdown Cleaner) cost $0 forever. Pro annual plans are Starter at $3.00/mo (billed $35.94/year), Professional at $5.00/mo (billed $59.94/year), and Advanced at $10.00/mo (billed $119.94/year).
Is there a free plan?
Yes. The Free plan includes invisible character removal and the Markdown cleaner and runs in your browser, with no login or limits stated for free tools.
Is my text uploaded to a server?
No for free cleaning — the invisible character and markdown cleaners run directly inside your browser, and no private text is ever uploaded for free cleaning.
How do Pro credits work?
10 credits equal 1,000 words for the Text Watermark Remover or AI Humanizer. Credits are granted per month (200, 420, or 1000 depending on plan) and refresh every billing cycle.
What kinds of hidden text artifacts can it detect?
It detects invisible Unicode artifacts such as zero-width spaces (U+200B), narrow no-break spaces (U+202F), byte order marks, and 60+ non-printing code points, plus Markdown formatting noise like heading hashes, bold asterisks, code fences, and bracketed links.
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