A Moz blog post by Dr. Peter J. Meyers presenting 67 Google search operator examples across five areas: content research, title research, plagiarism check, competitive research, and technical SEO/audits. It explains operators such as quotes for exact match, parentheses for grouping terms, and exclusion of specific terms.
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redditsearch.io
Search tool for finding Reddit posts and comments by keyword, subreddit, or user.
bmai.dev
Simple Reddit search interface for finding posts and comments across communities.
tgstat.com
TGStat search page for finding Telegram posts, channels, and public mentions by keyword.
twitter.com
Official advanced search page for finding X/Twitter posts by words, accounts, dates, and filters.
redditsearchtool.com
Reddit search page for finding posts, comments, subreddits, and users with advanced filters.
aware-online.com
A page from Aware Online Academy presenting custom OSINT search tools for investigating Reddit. It describes searching by author, post, title, subreddits, flairs, URLs and NSFW items, and states that no Reddit account is needed to use the tools.
searx.github.io
Searx is a free metasearch engine that aggregates results from over 70 search services. It does not track or profile users by default, does not use cookies unless configured, and supports access over Tor for anonymity. It can be self-hosted, with support for private token-restricted engines, offline local-result engines, and integrations with databases and indexers including MySQL, PostgreSQL, Elasticsearch, Meilisearch, and Solr.
whopostedwhat.com
Who Posted What? is described as a non-public Facebook keyword search for people who work in the public interest, letting users search keywords on specific dates. Searches can be by year, month, exact date or a time range, and posts from or associated with a user or page can also be searched.
yandex.com
Yandex Images is an image search service operated by Yandex. It enables users to search for a range of image content including postcards, desktop screensavers, funny pictures, diagrams, and illustrated manuals, and allows users to get visual answers to their questions.
qresear.ch
Search tool for archived 8chan and 8kun QResearch posts and related board history.
adhesivecheese.github.io
Reddit search interface for quickly finding posts and comments by keyword or community.
instahunt.co
Instagram search tool for finding profiles, hashtags, posts, and public account information.
inteltechniques.com
IntelTechniques page with X/Twitter search links for profiles, posts, usernames, and media.
parler.adatascienti.st
Search interface for archived Parler posts and metadata used in public-interest research.
camas.unddit.com
Searches Reddit posts and comments from Pushshift-style archives by user, subreddit, and keyword.
searchengine.party
Search Engine Party compares popular search engines across security and privacy related data points, presented in a table with fields such as logging, third-party trackers, onion service and POST request support. The site states its data comes from the author's and contributors' research and is not 100% definitive.
booleanstrings.com
A Boolean Strings blog post describing how Custom Search Engines can search public voter records on voterrecords.com, which holds data for sixteen US states. Records include names, addresses and potentially emails, phone numbers and gender. The site allows searching by name, city, state, party and year of birth, and X-Ray queries can target additional values.
searcheddit.com
Search engine for finding Reddit posts, comments, and discussions across public communities.
socialgrep.com
Search engine for Reddit posts and comments with filters for keywords, users, and subreddits.
one-plus.github.io
A Twitter research tool page in the OSINT Toolkit listing. It notes that some tools require the subject's Twitter account name and lists capabilities such as posts based on keywords or location, profiles by real name or account name, account bio changes, tweets between specific dates, media search, keyword and account analytics, and mutual follows.
betterredditsearch.web.app
A search tool for Reddit posts made by LasTechLabs. It supports post filters for containing any, all or none of the given words, or an exact phrase, and lets users check or exclude specific subreddits. Search results can be limited by earliest and latest posting dates.
github.com
BigSearch is a browser extension and web app for using and switching one or multiple search engines or websites, with built-in engines such as Google, DuckDuckGo, YouTube, eBay and GitHub. Search steps can be done by keyboard, and the interface has a Vimium-like feature. It can also work with websites that do not provide GET/POST interfaces.
addons.mozilla.org
ContextSearch web-ext is a Firefox browser extension compatible with Firefox 57 and later. It lets users select text to search using the context menu or a tiled popup with any installed search engine. Users can add new search engines via right-click, edit favicons and query strings, and the extension supports both POST and GET requests, with a simple, highly configurable user interface.