ChatGPT Watermark: What OpenAI's textGrain Means for Text
OpenAI announced textGrain, a ChatGPT watermark hidden in word choice. How it works, where it applies, who can detect it, and what it cannot prove.
AI Detector Guides for iPhone and Mac
Practical tips and tutorials for AI content detection across Apple devices. Learn to check for AI-generated text and images while keeping your workflow private.
Want to check something now? Use the free online AI detector or browse the AI detector tools for iPhone and Mac.
Comparing detector tools instead of researching from scratch? See our AI slop detector comparison hub for side-by-side guides.
AI Watermark Removers: What They Remove and What Survives
AI watermark removers delete hidden characters and file metadata. The mark inside the pixels and inside the word choices stays. We tested it.
Claude Watermark: How It Works and What It Doesn't Prove
Claude's text watermark changes word choices; supported Claude image files carry C2PA. See what each signal proves and why removal guarantees fail.
AI Detector Accuracy: Slop or Not on the RAID Benchmark
AI detector accuracy on a public benchmark: Slop or Not catches 99.5% of AI text at a 5% false-positive rate on RAID, adversarial attacks included.
How to Check an Image for an AI Watermark (SynthID) or C2PA
Check a photo for AI provenance: read SynthID watermarks and C2PA Content Credentials first, then fall back to pixel-level AI detection.
NoC2PA and C2PA Remover Tools: Do They Really Work?
A C2PA remover like NoC2PA strips C2PA and IPTC fields, but SynthID watermarks and pixel checks can still flag a cleaned AI image.
OpenAI vs Gemini Image Verifiers: Why One Tool Isn't Enough
OpenAI and Gemini image verifiers are provider specific. Slop or Not checks SynthID, C2PA/IPTC metadata, and image signals when the source is unclear.
AI Detector MCP for Claude, Codex, and Cursor on Mac
Use Slop or Not as an AI Detector MCP server so Claude, Codex, Cursor, Hermes Agent, and OpenClaw can check text and images locally on Mac.
Can an AI Humanizer Bypass AI Detectors? Test It Locally
Run the Agentic Humanizer in Cursor, Gemini CLI, or OpenCode and watch each rewrite move its Slop or Not score. No tool can guarantee a bypass of AI detectors.
AI Humanizer Skill for Codex and Claude, in Your Voice
Install the free Agentic Humanizer skill for Codex CLI and Claude Code to rewrite AI text in your own voice. Slop or Not can score each pass on your Mac.
Readability Score on iPhone and Mac With Slop Or Not
Readability score checks in Slop Or Not run on-device in 7 languages, using Flesch in English and an established formula in each of the other six.
Slop or Not for Mac: On-Device AI Slop Detector App
Slop or Not is on the Mac App Store. The free AI slop detector checks AI text and images on-device using SynthID, C2PA, IPTC, and an AI image detection model.
Detect Nano Banana 2 Images on iPhone using Slop Or Not
Slop Or Not checks Nano Banana 2 AI images with SynthID, metadata, and an on-device image model. iPhone and Mac checks stay private.
ChatGPT Detector for iPhone: Free AI Text Detection App
Free ChatGPT detector for iPhone with no word limits. Detect AI-generated text privately on-device with industry-best accuracy. No uploads required.
How to Detect ChatGPT-Generated Images: 3 Reliable Checks
Three ways to check if an image came from ChatGPT: read C2PA Content Credentials, check SynthID watermark signals, then scan the pixels on-device.
ZeroGPT Character Limit? A Free iPhone & Mac Alternative
Past the ZeroGPT character limit? Slop or Not checks any length on iPhone and Mac with no word cap per document or per month, and nothing leaves your device.