Best Free Web Investing Tools

FINVIZ

DetailsVisit site

FINVIZ is best known as a fast U.S. stock screener with heat maps, quote pages, insider activity, news, and portfolio watchlists. It works well when you want to move from a broad market view to a tighter list of stocks using both fundamental and technical filters. The free version is useful for delayed research; FINVIZ Elite is the serious workflow upgrade for real-time quotes, intraday charts, alerts, exports, advertised API access, and deeper ETF and portfolio tools.

Fiscal.ai

DetailsVisit site

Fiscal.ai is an AI-assisted public-company research terminal and financial data API platform for investors, analysts, developers, and AI-agent builders. It combines global fundamentals, segments and KPIs, transcripts, filings, estimates, dashboards, screeners, valuation workflows, AI Copilot, REST APIs, webhooks, and MCP access.

Google Finance

DetailsVisit site

Google Finance is a free market-monitoring hub for investors who want familiar quotes, charts, financial news, watchlists, manual portfolios, earnings context, and AI-assisted research without paying for a terminal. It is best for quick orientation and portfolio/watchlist monitoring, with sign-in required for personal lists, portfolios, and deeper AI Research features.

GuruFocus

DetailsVisit site

GuruFocus is a value-investing research platform for investors who want global fundamentals, valuation tools, GF Score, GF Value, screeners, backtesting, guru and institutional holdings, insider trades, portfolio tracking, spreadsheet add-ins, and data/API access. It is strongest for fundamental and value-oriented research rather than brokerage execution.

Investing.com

DetailsVisit site

Investing.com is a global market portal for investors who want quotes, charts, financial news, an economic calendar, watchlists, alerts, portfolio tracking, screeners, and mobile market monitoring in one place. The free site is strongest as a broad market dashboard, while InvestingPro adds the paid research layer with AI tools, stock ideas, fair value estimates, Health Scores, ProTips, and deeper fundamentals.

Koyfin

DetailsVisit site

Koyfin is a modern web and mobile financial terminal for investors, analysts, and advisors who want dashboards, charts, screeners, portfolios, news, alerts, transcripts, and market data without using a traditional desktop terminal. It is strongest for building custom research workspaces across equities, ETFs, funds, macro data, FX, commodities, crypto, yield curves, and advisor reporting. Free access is useful for trialing the workflow, while paid and Advisor tiers unlock more dashboards, screens, history, alerts, reporting, integrations, and client-portfolio features. It does not offer a public API.

OpenInsider

DetailsVisit site

OpenInsider is a free, utilitarian SEC Form 4 insider-trading screener for investors who want to monitor insider buying, insider selling, cluster buys, and transaction reports without paying for a data terminal. It is useful for fast first-pass insider activity research, but the interface is table-heavy and there is no formal paid support, SLA, mobile app, or documented public API.

Perplexity Finance

DetailsVisit site

Perplexity Finance is an AI-assisted finance research experience that combines cited answers with stock, ETF, fund, crypto, options, news, charts, screeners, earnings documents, ownership data, government trading views, and a developer finance_search tool. It is strongest for quick cited research and agentic finance data access, but AI answers still need verification and consumer plans are separate from Agent API billing.

Portfolio123

DetailsVisit site

Portfolio123 is a rules-based quant research and portfolio-management platform for investors who want stock and ETF screeners, ranking systems, factor research, realistic backtests, strategy simulations, portfolio tracking, broker connectivity, and API/DataMiner access. It is strongest for systematic investors who want point-in-time research workflows without building everything from code.

Quartr

DetailsVisit site

Quartr is a qualitative public-market research platform for earnings calls, real-time transcripts, filings, reports, slide decks, analyst estimates, AI chat, and investor-relations data. The mobile app is useful for free earnings-call and transcript access, while Quartr Pro and Quartr API serve professional research, MCP, webhook, and data-integration workflows.

Roic AI

DetailsVisit site

Roic AI is a financial data, stock research, and API platform for investors and developers who want company financials, transcripts, news, screeners, exports, spreadsheet endpoints, AI research assistance, and MCP or ChatGPT workflows. It is strongest for fundamentals and agent-ready data access, with worldwide coverage on every plan, but plan differences matter for rate limits, history depth, transcript depth, and commercial API use.

SEC API (sec-api.io)

DetailsVisit site

SEC API is a commercial SEC/EDGAR API suite for developers, quants, compliance teams, and AI products that need fast filing search, real-time feeds, XBRL-to-JSON conversion, section extraction, insider filings, 13F data, and other structured regulatory datasets. It is strongest when you want production-ready normalized SEC data instead of building your own EDGAR ingestion stack, but the free tier is only a small starter allowance and redistribution requires enterprise terms.

SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)

DetailsVisit site

SEC EDGAR Search is the official free source for U.S. public company, fund, insider, ownership, prospectus, and XBRL filing research. It is strongest as the source of truth for SEC filings, full-text search, latest filings, RSS feeds, CIK lookup, and data.sec.gov JSON APIs, but raw filings still require parsing and automated access must follow SEC fair-access rules.

SEC.gov (EDGAR)

DetailsVisit site

SEC.gov EDGAR is the official free source for U.S. public-company filings, fund filings, insider forms, 13F reports, full-text filing search, RSS feeds, bulk archives, and no-key public JSON APIs. It is the baseline source for filings research and data validation, but it is raw official infrastructure rather than a polished commercial research terminal.

Seeking Alpha

DetailsVisit site

Seeking Alpha is a stock research and investment news platform for investors who want market news, contributor analysis, Quant Ratings, analyst ratings, portfolio alerts, screeners, and earnings transcript research in one place. It is strongest for idea generation and ongoing monitoring, with Premium or PRO needed for deeper research, AI summaries, full transcripts, factor grades, and advanced portfolio tools.

Short Interest - FMM

DetailsVisit site

Short Interest - FMM is Find My Moat’s free high-short-interest stock tracker for users who want a quick searchable list of U.S. stocks with short interest above 20%. It is strongest for first-pass short-interest and short-squeeze discovery inside Find My Moat, with a sortable table and plain-English education, but it depends on an upstream source and is not a trade signal, export feed, or API.

Simply Wall St

DetailsVisit site

Simply Wall St is a visual stock analysis and portfolio platform for long-term investors who prefer guided fundamental summaries over raw data tables. It is best known for its Snowflake-style company reports, global stock ideas, fair value views, dividend analysis, portfolio diagnostics, broker imports, and easy-to-scan visual research.

Stock Analysis

DetailsVisit site

Stock Analysis is a web and mobile research hub for investors who want stock screeners, financial statements, earnings calendars, market news, charts, analyst forecasts, watchlists, and portfolio tracking in one approachable workspace. It is strongest as an everyday due-diligence layer for researching public companies, ETFs, mutual funds, IPOs, dividends, corporate actions, and market movers without needing a professional terminal. Free access is useful but ad-supported and limited; Pro and Unlimited add broader history, saved screeners, alerts, exports, full ETF holdings, broker sync, advanced analyst filtering, and higher watchlist or download limits. It is not a broker, advisory service, portfolio accounting system, public API, custom quant platform, or data redistribution source.

TIKR

DetailsVisit site

TIKR is a browser-based global equity research terminal for investors who care about fundamentals, financial statements, analyst estimates, valuation work, transcripts, filings, and stock screening. It is strongest for long-term stock research across global markets, with paid plans unlocking the deeper history, broader coverage, exports, and workflow limits that serious investors usually need.

TipRanks

DetailsVisit site

TipRanks is an investment research platform built around analyst ratings, price targets, expert rankings, Smart Score, AI stock analysis, news sentiment, insider signals, hedge-fund activity, and portfolio tools. It is strongest for investors who want to compare market opinions and stock forecasts quickly, with Premium and Ultimate unlocking more of the expert, portfolio, export, and AI workflow.

TradingView

DetailsVisit site

TradingView is a chart-first market analysis platform for traders who want powerful charts, screeners, alerts, Pine Script, paper trading, and broker-connected trading across many asset classes. It is strongest when technical analysis, custom indicators, strategy testing, watchlists, and real-time market monitoring are part of the same workflow. The free Basic plan is useful for trying the product, but active users usually run into limits on charts, indicators, alerts, watchlists, and historical bars. Some real-time exchange data is sold separately.

Uncle Stock

DetailsVisit site

Uncle Stock is a global fundamental stock screener and screener-backtesting platform for DIY and value investors who want many financial metrics, guru-style screens, watchlists, historical backtests, CSV export, and AI/MCP stock-search access. It is strongest for long-term fundamental screening and value research, while API access, advanced backtesting, exports, crypto coverage, and unlimited MCP usage are gated to higher plans.

Unusual Whales

DetailsVisit site

Unusual Whales is an options-flow and market-activity platform for traders who want real-time U.S. options trades, dark pool/off-exchange activity, alerts, screeners, news, congressional trading data, and developer API access. It is strongest for alert-driven options and order-flow research, with portfolio tracking, API, WebSocket streaming, and historical full-market options data handled through separate paid surfaces.

13F Insight

DetailsVisit site

13F Insight is an SEC-filings intelligence platform for investors who want to track institutional 13F holdings, Form 4 insider trades, 13D/G ownership, watchlists, smart-money alerts, and AI answers grounded in filing citations. It is strongest for hedge-fund and institutional-ownership research, but 13F filings are delayed by design and AI summaries should be checked against the underlying SEC documents.

Ahrefs

DetailsVisit site

Ahrefs is an SEO and marketing intelligence platform that investors can use as alternative data for digital businesses, marketplaces, publishers, SaaS companies, and consumer brands where search visibility and web demand matter. It is strongest for website traffic estimates, keyword demand, backlinks, content visibility, API exports, and AI-brand visibility, but it is not an investing terminal, valuation model, portfolio tracker, or source of official company fundamentals.

Alpha Spread

DetailsVisit site

Alpha Spread is a value-investing research platform for investors who want quick intrinsic value estimates, DCF and relative valuation, stock reports, screeners, watchlists, alerts, analyst forecasts, and AI-assisted company questions. It is strongest for first-pass fair-value research, but free usage is metered weekly and automated valuation outputs should be reviewed as assumptions, not final investment decisions.

Alpha Vantage

DetailsVisit site

Alpha Vantage is an API-first financial data provider for developers, students, quants, and analysts who need a simple API key for stock, ETF, mutual fund, FX, crypto, options, commodities, fundamentals, news, sentiment, and macroeconomic datasets. It is strongest for learning, prototypes, spreadsheets, and personal API workflows, but the free quota is small, premium endpoints require membership, and commercial use needs separate licensing.

AlphaResearch

DetailsVisit site

AlphaResearch is an AI-powered stock research platform for searching filings, transcripts, press releases, reports, notes, fundamentals, estimates, news, insider transactions, institutional ownership, and fund holdings. It is useful for document-heavy research and collaboration, but global coverage and spreadsheet add-ins are Enterprise features and the premium trial requires a credit card.

ApeWisdom

DetailsVisit site

ApeWisdom is a free social-sentiment and ticker-attention tracker for traders and researchers watching Reddit, WallStreetBets-style communities, crypto subreddits, and 4chan /biz. It is strongest for spotting retail attention and meme-stock chatter early, with public leaderboards and API endpoints, but ticker mentions are noisy and should not be treated as investment quality or price direction.

AUM 13F

DetailsVisit site

AUM 13F is a due-diligence web app for researching asset managers, institutional holdings, private funds, real estate managers, and limited-partner relationships from public filing sources. It is strongest for analysts who want a low-cost way to browse manager AUM, 13F holdings, EDGAR filings, IAPD records, CAFR-sourced LP portfolios, source links, portfolios, and alerts, but 13F data remains delayed and incomplete by design.

Autochartist

DetailsVisit site

Autochartist is an automated market-scanning and trader-engagement platform for active traders, brokers, and trading platforms that want chart-pattern detection, technical trade setups, economic-event analysis, news sentiment, alerts, position sizing, and API or MetaTrader integrations. It is strongest as a signal and workflow layer around technical trading, but pricing, modules, and access often depend on a broker or enterprise relationship rather than a simple public checkout.

Bank of England

DetailsVisit site

The Bank of England website is the official free source for UK monetary policy decisions, Bank Rate context, MPC calendars and minutes, Monetary Policy Reports, statistics, exchange-rate and interest-rate series, and UK yield-curve downloads. It is strongest as a primary-source macro and rates reference for analysts, students, investors, and developers, but it is not an investing app and some datasets, including yield curves, are delivered as files rather than a full API.

Bank of Japan (BOJ)

DetailsVisit site

The Bank of Japan website is the official free source for Japanese monetary policy releases, meeting schedules, BOJ statistics, release calendars, time-series downloads, charts, and API access. It is strongest for analysts, students, developers, and investors who need primary-source Japan rates, FX, money stock, TANKAN, balance-of-payments, and central-bank data, but it is a macro data source rather than an investing app or security-level research terminal.

Beanvest

DetailsVisit site

Beanvest is a quality-investing research app for long-term investors who want opinionated stock reports, a proprietary Quality Score, component scores, fair value labels, and a compact quality-stock screener. It is strongest for investors who like a framework around moat, pricing power, predictability, financial strength, capital allocation, and management, but coverage is selective, premium fair-value data is gated, and there is no free trial or refund policy.

Berkshire Hathaway Archive (Memorex)

DetailsVisit site

Berkshire Hathaway Archive by Memorex is a free searchable document archive for Warren Buffett shareholder letters and Berkshire Hathaway annual meeting transcripts. It is strongest for value investors, students, and researchers who want semantic search across Berkshire source material on capital allocation, incentives, moats, management, insurance, and long-term investing, but it is a single-company archive rather than a market-data product or general transcript database.

BIS Data Portal

DetailsVisit site

BIS Data Portal is the official free statistics portal from the Bank for International Settlements for global macro-financial time series, exports, bulk downloads, release calendars, charts, tables, and SDMX API access. It is strongest for analysts, students, quants, and builders who need cross-country banking, credit, debt, derivatives, liquidity, property-price, exchange-rate, and central-bank statistics, but it is an official macro data source rather than an equity terminal or trading platform.

BizToc

DetailsVisit site

BizToc is a free business and finance news aggregator for investors who want a fast headline grid, real-time Wire feed, market snapshot, imagery view, search, RSS, mobile access, and a lightweight API route through RapidAPI. It is strongest for quick market-awareness and headline discovery before reading original sources, but it is an aggregator rather than original reporting, valuation research, portfolio analytics, or a full financial-data platform.

Bloomberg (Europe)

DetailsVisit site

Bloomberg Europe is the Bloomberg.com regional news hub and mobile-app experience for readers who want global business journalism, European market coverage, market snapshots, watchlists, alerts, Bloomberg TV and radio, podcasts, newsletters, and Bloomberg Businessweek access. It is strongest as a premium media subscription for investors and analysts, but it is not Bloomberg Terminal and does not provide professional terminal entitlements, execution, or institutional data workflows.

Börsdata

DetailsVisit site

Börsdata is a Nordic-first equity analytics, screening, and data platform for investors who want long-history fundamentals, thousands of ratios, strategy screens, ownership data, insider and short-selling context, technical charts, reports, watchlists, calendars, and API or spreadsheet access. It is strongest for Nordic stock research, while global coverage, holdings data, Excel/Sheets workflows, and REST API access depend on paid tiers and professional users are routed to Enterprise.

Bridgewater Associates

DetailsVisit site

Bridgewater Associates is a global macro investment manager whose public website is mainly useful as a free research and insights source, not as a self-serve investing product. It is strongest for readers studying institutional macro thinking, Daily Observations, whitepapers, videos, Pure Alpha, All Weather, risk parity, inflation, monetary policy, debt cycles, and systematic investing, but most investors cannot directly access Bridgewater mandates through the site.