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Developer Tools — Free & No Signup Required

Five focused utilities for common workflow pain points. Use them in the browser for free, then move to the API when you need automation.

QR Code Generator

Generate QR codes from any text or URL with PNG and SVG output.

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Email Validation Tool

Check format, domain, MX records, disposable status, and typo suggestions.

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AI Text Summarizer

Summarize long text into paragraphs, bullet points, or a TL;DR.

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Website Screenshot Tool

Capture full-page or viewport screenshots in PNG, JPEG, or WebP.

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HTML to PDF Converter

Convert raw HTML or any URL into a downloadable PDF document.

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Free Chrome Extensions

Pin a HookRay tool to your browser

One-click access to the same tools, right from your browser toolbar. All free with generous daily limits — Pro on the web unlocks unlimited use across all tools.

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API Portfolio

Need automation after the manual trial?

These free tools are the front door. When the workflow starts repeating, move to one of the seven APIs in the HookRay portfolio and keep the same job running inside code, no-code, or internal ops.

Browse all APIs
Developer Tools

Webhook Receiver API

Create disposable webhook URLs, inspect incoming payloads, and pull request history from code or automation workflows.

  • Instant endpoint creation for test environments
  • Structured request history for debugging and replay workflows
AI Copy

Product Description Generator

Generate SEO-friendly titles, descriptions, and hashtags for ecommerce products in multiple tones and languages.

  • Fast AI copy generation tuned for product merchandising
  • Useful for Shopify, Etsy, Amazon, and catalog automation
Document Tools

HTML to PDF Converter

Convert HTML strings or live URLs into PDFs for reports, invoices, marketing pages, and internal ops workflows.

  • Render PDFs from URLs or raw HTML without managing headless Chrome yourself
  • Paper size and landscape options for business document workflows
Browser Automation

Screenshot API

Capture full-page or viewport website screenshots in PNG, JPEG, or WebP for previews, QA, and no-code automation.

  • Viewport, full-page, and output format controls for common automation use cases
  • Useful for social preview generation, QA checks, and competitive monitoring
Marketing Utilities

QR Code Generator API

Generate QR codes from text or URLs in PNG or SVG, with custom sizes and colors for product, print, and campaign workflows.

  • PNG and SVG output for both web and print use cases
  • Fast fit for flyers, event materials, packaging, and support docs
AI Productivity

AI Text Summarizer

Summarize long text into paragraphs, bullet points, or TL;DR format for customer feedback, docs, tickets, and internal notes.

  • Multiple summary formats for different downstream workflows
  • Language-aware summarization for international teams
Data Quality

Email Validation API

Validate email addresses with format, DNS, MX, role account, typo suggestion, and disposable email checks.

  • Combines syntax, DNS, MX, role account, disposable, and typo checks
  • Designed for signup forms, lead capture, enrichment, and CRM cleanup
AI SEO

AI SEO Meta Tag Generator

Generate optimized SEO meta tags from any URL or text. Returns title, description, keywords, OpenGraph, and Twitter card tags using AI analysis.

  • Generates optimized meta tags instead of just extracting existing ones
  • Returns title, description, keywords, OpenGraph, and Twitter card tags in one call
AI Productivity

Web Page Summarizer — Multilingual

Summarize any web page in multiple languages simultaneously. Provide a URL and get summaries in English, Japanese, Chinese, Korean, Spanish, and more in one request.

  • Summarize in up to 5 languages simultaneously from a single request
  • Supports 12 languages including English, Japanese, Chinese, Korean, Spanish, French, German