Bot API tools
Everything except the public lookup and the changelog runs in your browser and sends nothing to this site.
Chat ID lookupPublic @username or t.me link → chat_idserver lookupID format and converterThe −100 prefix, every ID range, Bot API ↔ MTProtoin your browserMessage link parsert.me/c/123/45 → chat_id, message_id, topicin your browserBot token checkergetMe from your browser, straight to Telegramin your browserWebhook checkergetWebhookInfo: URL, last error, pending updatesin your browsergetUpdates inspectorPaste the JSON, get every ID in itin your browserYour own user IDPrivate chats, private groups, yourselfin your browserID from a forwarded messageforward_origin → sender or channel IDin your browserSticker and custom emoji IDfile_id, set name, custom_emoji_idin your browserMarkdownV2 escaperEscape text for parse_mode=MarkdownV2in your browserBot API limitsMessages per second, sizes, lengths — with sourcesin your browserBot API changelogVersions and dates, linked to the official textserver lookup