AI WATERMARK TOOLS / 01

Detect and remove AI watermarks

Scan text, code, images, and video for invisible watermark clues. Clean supported markers, download the result, and see exactly what was checked.

BUILD 2026.08

Runs this session00Waiting for input

Supported inputs04Text / image / video / code

Evidence confidence—Shown after a scan

Edge target50msCloudflare Workers

01 / REMOVE & DETECT

Choose what to clean

TEXT INPUT

Paste text to scan

Text

Check for statistical AI-writing signals and invisible Unicode carriers. A result is a clue, not proof of authorship.

0 characters

Remove zero-width and variation characters Normalize spaces and punctuation Rewrite common phrases and sentence patterns

0 characters

0 lines

Drop an image or click to uploadPNG / JPG / WEBP · max 20 MBChoose file

Drop a video or click to uploadMP4 / WEBM / MOV · browser reads basic metadataChoose file

Moving marks and long videos run as an async GPU job. Known fixed Gemini marks can use a browser processor.

SIGNAL REPORT

What we found

Not run

Your result appears here

Run a scan to see the watermark signal, confidence, and limits.

—WATERMARK SIGNAL

Waiting

Waiting for a scan

—

Confidence—

Scores are signals, not proof of who wrote the content.

Cleaned

Text watermark cleanup complete

—

Cleaned text

Invisible chars0

Phrase edits0

Rescan signal—

Text watermark schemes differ. This removes supported Unicode carriers and changes local patterns; it is not a guarantee for every vendor verifier.

Processed

Gemini visible mark processed

LOCAL

Visible mark—

Engine tier—

SynthIDUnknown

The browser SDK handles known Gemini alpha marks only. It does not claim to change SynthID or other invisible provenance.

02 / EVIDENCE

See what was checked

Every result keeps its source and limits

Text patterns

Sentence length, vocabulary, repetition, and carriers.

TEXT

Media metadata

EXIF, XMP, C2PA, and provider clues.

MEDIA

Code structure

Comments, naming, templates, and hidden Unicode.

CODE

03 / OPEN TOOLCHAIN

Open-source engines

gemini-watermark-removerMIT · image/video visible mark remove-ai-watermarksApache-2.0 · provenance toolkit zippyMIT · compression signals

TOOLCHAIN / 02

Detector catalog

Use the browser for fast local checks, the Worker for validation, and a GPU service for heavy media jobs.

CapabilityRuns onStatusEvidence

AI text signalLanguage statistics / pluggable detectorsEdge / GPUReadyScore + features

Text watermark cleanupZero-width carriers + pattern rewriteBrowserReadyBefore / after scan

Gemini visible markReverse-alpha browser SDKBrowserReadyApplied / tier

Video visible markFixed / moving region repairBrowser / GPUAsyncFrame samples

SynthID image / videoRequires a provider verifierProviderThree-stateDetected / not detected / unknown

Code AI signalStructure, comments, and templatesEdge / GPUExperimentalScore + features

License note

MIT and Apache-2.0 components can be integrated under their terms. OpenNoMark and reverse-SynthID stay reference-only until their commercial licenses are resolved.

DEPLOYMENT / 03

API & Cloudflare

Pages hosts the interface, the Worker validates requests, and R2 + Queue handle media jobs.

01Pages UILocal scan and preview

02Worker APIValidate / rate-limit / route

03R2 + QueueShort-lived media jobs

04GPU adapterLong video / heavy repair

POST/api/scan/text

{ "text": "...", "language": "en" }

score · confidence · carriers[]

POST/api/scan/media

multipart/form-data\nfile + detectors[]

provenance · visible · synthid

POST/api/video/jobs

{ "operation": "remove_visible", "dryRun": true }

202 queued · progress events

READY CHECKDeployment checklist

Vite / Pages static buildREADY

Worker API and video job contractREADY

Bind R2, Queue, KV, and a GPU/FFmpeg consumerACTION

Add Cloudflare secrets in GitHub ActionsACTION