TGDog is a free, local Telegram anti spam bot companion with keyword rules, repeat detection, message cleanup and moderation logs.
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Version
0.1.0
updated 11 Oct 2026
About TGDog — Telegram Anti Spam Bot | Free Local Group Moderation
TGDog — A free, local Telegram anti spam bot companion
Keep your Telegram community clearer, with less repetitive moderation work. TGDog is a free Chrome extension that connects to your own Telegram bot, checks messages against your rules, and gives you evidence and execution records you can review.
Configure keyword matching, repeated-message detection and flood rules for your supergroups. Choose whether to observe matches, remove members or ban them. Your bot token, rules, cached messages and moderation records stay in your browser, while the extension connects directly to the Telegram Bot API.
Free to use. No subscription. No TGDog cloud service to deploy.
WHY CHOOSE TGDOG?
• Free Telegram spam protection
Use TGDog without a subscription to help manage unwanted promotions, repeated posts and disruptive message bursts. It is built for community admins and Telegram supergroup owners who want configurable moderation controls.
• Local storage, direct Telegram access
TGDog stores your bot token, message cache, rules, evidence and execution records locally in your browser. These are not relayed through a TGDog cloud service. Connect your own bot and control its group permissions yourself.
• A configurable Telegram spam filter
Create keyword lists for each group. Use exact keyword matching or enable fuzzy matching with a configurable similarity threshold to detect content that violates your community rules.
• Repeated-message and flood detection
Set time windows and repeat thresholds, enable near-duplicate detection, and configure flood rules. Admins, allowlisted users and exempt replies take priority, helping you protect ordinary conversation.
• Observe, remove or ban
Start in observation mode and review the evidence before enabling automatic actions. Remove mode allows a member to rejoin; ban mode prevents them from rejoining on their own. With the appropriate configuration, TGDog can clean up offending messages and act on matched members. Deletion scope and success depend on Telegram API restrictions, message conditions and bot permissions.
• Telegram group moderation across multiple groups
Search, filter and paginate your group list. Configure independent rules and apply bulk management changes. Separate displays for management status, detection rules and match actions help you see exactly how each group is configured.
• Evidence and results you can inspect
Review original messages, matched terms, message fragments and saved rule snapshots. Detection evidence and execution results are shown separately, so you can check message cleanup and member actions. Evidence is retained independently for 30 days.
GET STARTED
1. Install TGDog and create a dedicated bot with BotFather.
2. Add the bot to your supergroup and grant administrator permissions to delete messages and restrict members.
3. Enter the bot token in TGDog and connect.
4. Send /setup or a test message in the group, then configure its rules and enable management.
5. Review evidence and execution records, and adjust your rules as needed.
IMPORTANT OPERATING DETAILS
• TGDog collects and analyzes messages periodically while your browser is running. It pauses when the browser closes, the device sleeps or the connection goes offline. It is not an independently hosted, always-on cloud bot.
• Only messages actually received by your bot can be analyzed. TGDog cannot fetch the complete chat history. Each group caches up to 3,000 messages for up to 7 days.
• Automatic actions require the appropriate bot permissions and enabled group configuration. A detected match is not proof that an action succeeded; check the execution record.
• Saved rules can apply to existing cached messages as well as new messages. Removing or banning a member may clear their message history. Review rules and allowlists before enabling these actions.
• Local operation still involves communicating with Telegram. Local token storage is not an encrypted credential vault; protect your device, browser and bot token.
Looking for a Telegram anti spam bot workflow you can configure and review? TGDog brings free, local controls to your Telegram group manager toolkit, with clear rules and inspectable results.
Website: https://tgdog.wadesk.io
Support: https://tgdog.wadesk.io/contact
UNOFFICIAL PRODUCT DISCLAIMER
TGDog is an independently developed third-party extension. It is not affiliated with, sponsored by, endorsed by or officially connected to Telegram. Telegram names and trademarks belong to their respective owners. TGDog operates according to your configuration and Telegram Bot API capabilities; it does not guarantee detection of every spam message or successful execution of every action.