# Twittertroll > Free X (Twitter) search tools: build advanced queries, look up a profile, score an account for troll or bot signs, and decide whether to block, mute or report. Free browser tools for searching X (formerly Twitter) and handling trolls: an advanced search builder that writes X search operators, a profile lookup, a troll and bot checklist, an engagement calculator and a block/mute/report helper. Everything runs in the browser; the site does not scrape X or store what you type. Not affiliated with X Corp. ## Tools - [X Advanced Search Builder](https://twittertroll.com/s/): Free X (Twitter) advanced search builder. Pick words, accounts, dates, minimum likes and filters, then open the finished query on x.com with one click. - [X Profile Lookup](https://twittertroll.com/profile.asp): Look up any X (Twitter) username: check the handle pattern, then open their profile, latest posts, replies, mentions and Wayback Machine copies in one click. - [X Engagement Rate and Account Stats Calculator](https://twittertroll.com/stats.asp): Free X engagement rate calculator. Enter likes, reposts, replies, views and followers to get engagement rate, reply-to-like ratio and posts per day. - [Troll and Bot Account Checklist](https://twittertroll.com/tools/troll-checker/): Check whether an X account looks like a troll or a bot. Enter the handle, age, ratios and behavior you see, and get two scores with the reasons behind them. - [Block, Mute or Report? Decision Helper](https://twittertroll.com/tools/block-mute-report/): Not sure whether to block, mute or report an account on X? Answer two questions and get a step-by-step plan plus a ready-to-paste report summary. ## Guides - [X Search Operators Cheat Sheet](https://twittertroll.com/guides/x-search-operators/): A complete cheat sheet of X (Twitter) search operators: from:, to:, since:, until:, min_faves:, filter:, lang:, url:, conversation_id: and more, with examples. - [How to Find Friends and People You Know on X](https://twittertroll.com/guides/find-friends-on-x/): Find people you know on X (Twitter): search by name, use the People tab, sync contacts, check who your friends follow and use search operators to find accounts. - [How to Find Old Posts on X by Date](https://twittertroll.com/guides/find-old-posts-on-x/): Find old tweets on X by date: use since: and until: with from: to search any day, week or year, find your own first posts, and check what an account said back then. - [How to Deal With Trolls on X](https://twittertroll.com/guides/dealing-with-trolls/): How to handle trolls on X without feeding them: when to ignore, mute, hide replies, limit replies, block or report, and how to protect yourself during a pile-on. - [How to Report Harassment on X](https://twittertroll.com/guides/report-harassment-on-x/): Step-by-step guide to reporting harassment, threats and abuse on X (Twitter): how to file a report, which category fits, what evidence to save and next steps. - [How to Use Muted Words on X](https://twittertroll.com/guides/muted-words-on-x/): How to mute words, phrases, hashtags and accounts on X (Twitter): where the setting lives, home timeline vs notifications, durations, and a starter mute list. - [How to Control Who Can Reply to You on X](https://twittertroll.com/guides/control-replies-on-x/): Control replies on X (Twitter): limit who can reply to a post, hide replies, filter mentions and protect your posts. What each setting does and when to use it. - [How to Spot Bot Networks on X](https://twittertroll.com/guides/spot-bot-networks/): Spot bot networks on X (Twitter): matching handles and photos, synchronized posting, copy-paste replies, new accounts in batches, and how to check with search. - [What to Do if Someone Impersonates You on X](https://twittertroll.com/guides/impersonation-on-x/): Someone pretending to be you or your brand on X (Twitter)? How to document the fake account, report impersonation, warn followers and protect your real account. - [A Short History of Twitter Search, 2007 to 2011](https://twittertroll.com/guides/twitter-search-history-2007-2011/): How Twitter search began: third-party search sites in 2007, the 2008 Summize deal that became search.twitter.com, and the operators that survived. ## About this site - [About Twittertroll](https://twittertroll.com/about.asp): Twittertroll is an independent, free site with browser-based tools for searching X and handling trolls. Who runs it, how the tools work and what we don't do. - [Contact Twittertroll](https://twittertroll.com/contact.asp): How to reach Twittertroll: one email address for corrections, tool bugs and suggestions. We can't act on X accounts or remove posts from X. - [Privacy](https://twittertroll.com/privacy/): Twittertroll privacy policy: no cookies, no analytics, no accounts. The tools run in your browser and nothing you type is sent to us or stored. - [Terms of Use](https://twittertroll.com/terms/): Terms for using Twittertroll's free X search and troll-checking tools: provided as is, not affiliated with X Corp., and not legal or safety advice.