Nullgen AI BlockerBlock any AI tool
How to block AI tools on every device
Step-by-step guides for 100+ AI websites and apps: the free browser extension, iPhone and Android controls, home-network blocklists, and managed devices.
AI blocker suite for browsers, desktop, and mobile
Chrome
Edge
Firefox
SafariAI assistants
19 tools
- How to block
ChatGPT
chatgpt.com
- How to block
Claude
claude.ai
- How to block
Gemini
gemini.google.com
- How to block
Microsoft Copilot
copilot.microsoft.com
- How to block
Grok
grok.com
- How to block
Meta AI
meta.ai
- How to block
Muse
muse.ai
- How to block
DeepSeek
chat.deepseek.com
- How to block
Mistral Le Chat
chat.mistral.ai
- How to block
Qwen
chat.qwen.ai
- How to block
Kimi
kimi.com
- How to block
Doubao
doubao.com
- How to block
ERNIE
yiyan.baidu.com
- How to block
ChatGLM
chatglm.cn
- How to block
Yuanbao
yuanbao.tencent.com
- How to block
Pi
pi.ai
- How to block
Poe
poe.com
- How to block
Duck.ai
duck.ai
- How to block
Manus
manus.im
AI writing tools
10 tools
- How to block
QuillBot
quillbot.com
- How to block
Jenni
jenni.ai
- How to block
Jasper
jasper.ai
- How to block
Copy.ai
copy.ai
- How to block
Writesonic
writesonic.com
- How to block
Wordtune
wordtune.com
- How to block
Rytr
rytr.me
- How to block
Sudowrite
sudowrite.com
- How to block
NovelAI
novelai.net
- How to block
Undetectable AI
undetectable.ai
Homework helpers
3 tools
Slides and diagrams
2 tools
AI image generators
11 tools
- How to block
Midjourney
midjourney.com
- How to block
Leonardo
leonardo.ai
- How to block
Ideogram
ideogram.ai
- How to block
Adobe Firefly
firefly.adobe.com
- How to block
Stability AI
stability.ai
- How to block
Black Forest Labs
bfl.ai
- How to block
Krea
krea.ai
- How to block
Recraft
recraft.ai
- How to block
Magnific
magnific.ai
- How to block
Playground
playground.com
- How to block
Civitai
civitai.com
AI video generators
11 tools
- How to block
Sora
sora.com
- How to block
Runway
runwayml.com
- How to block
Pika
pika.art
- How to block
Kling
klingai.com
- How to block
Luma
lumalabs.ai
- How to block
MiniMax
minimax.io
- How to block
Higgsfield
higgsfield.ai
- How to block
PixVerse
pixverse.ai
- How to block
Vidu
vidu.com
- How to block
HeyGen
heygen.com
- How to block
Synthesia
synthesia.io
AI music and voice
3 tools
AI coding tools
15 tools
- How to block
GitHub Copilot
copilot.github.com
- How to block
Cursor
cursor.com
- How to block
Windsurf
windsurf.com
- How to block
Codeium
codeium.com
- How to block
Tabnine
tabnine.com
- How to block
Continue
continue.dev
- How to block
Sourcegraph Cody
sourcegraph.com
- How to block
Amazon Q
q.us-east-1.amazonaws.com
- How to block
Augment
augmentcode.com
- How to block
Devin
devin.ai
- How to block
Factory
factory.ai
- How to block
v0
v0.dev
- How to block
Bolt
bolt.new
- How to block
Lovable
lovable.dev
- How to block
Base44
base44.com
Model hubs and developer platforms
8 tools
Browser assistants
2 tools
Meeting assistants
2 tools
One list, every tool
Every guide on this page comes from the same public catalog the Nullgen apps enforce. It is published daily as a Pi-hole, AdGuard, and hosts-file blocklist, so a home router or school DNS server can block every tool at once.