issac search engine

Issac Search Engine

Search. Research. Organize. Explore.

Issac is a powerful search and research platform built for exploring the web, discovering information, and organizing what you find.

Whether you're looking for a quick answer, researching a topic, collecting useful sources, or building a larger research project, Issac brings your search and research tools together in one place.

Web Search

Search across web pages and images with relevance-ranked results, autocomplete, spelling suggestions, voice search, and search-within-results.

Refine your searches with:

Website and domain filters
Date-range filters
Backlink and authority filters
Topic tags
Multiple sorting options

When you need more results, Fetch Live can expand your search with fresh results from the web.

Image Search

Browse visual results in a dedicated image view and filter images by dominant color.

Community Notes

See context added by other Issac users on search results, write your own notes, and vote on whether existing notes are helpful.

AI Research with Fireplexity

Ask complex questions naturally and receive structured answers with numbered source citations.

Fireplexity can bring together:

Web sources
News
Images
Cited summaries
Follow-up questions
Interactive stock charts for supported companies and tickers

Continue your research with context-aware follow-up questions and suggested prompts.

Custom Web Library

Save web pages and images into your personal library and organize them with:

Collections
Folders
Topic tags
Category trees
Tag clouds
Custom summaries and notes

Your saved information can be exported and backed up in PDF, Markdown, CSV, and JSON formats.

Interactive Site Graph

Explore connections between websites and pages through an interactive visual network.

Explore links between pages
Choose from multiple graph layouts
Search and highlight specific pages
Filter connections
Zoom and pan around the graph
Organize the visualization by website, language, page status, or importance
Research Projects

Turn your research into organized projects with dedicated workspaces.

Create tasks and subtasks
Track project progress
Connect saved sources
Use research templates
Write in an autosaving Markdown notebook
Export complete project briefs as PDF, Markdown, CSV, or JSON
Shortcuts and Personalization

Use the command bar and keyboard shortcuts to quickly navigate Issac, start searches, switch tabs, and open settings.

Choose between Dark Mode and Light Mode and customize your search experience.

Privacy Controls

Issac provides built-in controls for managing your search history and preferences.

Clear search history
Automatically clear history when leaving
Manage blocked websites

One place to search the web, investigate information, save what matters, and build your own research workspace.

Issac Search Engine. Search beyond the results.