Useful tools for publishers, content teams, and operators.
Browse free utilities from AICurate, including a reading time calculator for article sizing, a content calendar generator, a newsletter readability scorer, an online RSS feed reader for previewing live feeds, and a practical RSS feed validator for checking XML structure, date formats, and reader compatibility.
Free RSS to JSON Converter
Paste any RSS or Atom feed URL and instantly convert it to clean, structured JSON output. Supports RSS 2.0, Atom 1.0, and common feed extensions.
Free Reading Time Calculator
Paste any article or enter a raw word count to estimate reading time at slow, average, fast, or custom speeds directly in the browser.
Free RSS Feed Reader Online
Paste RSS or Atom URLs to preview the latest articles in your browser, merge multiple feeds by date, import OPML, and save your list locally with no signup required.
Free Newsletter Readability Scorer
Paste newsletter copy to score Flesch-Kincaid, Gunning Fog, and SMOG readability, estimate reading time, and get suggestions to improve clarity.
Reading Time Calculator
Calculate reading time for any text. Adjustable reading speed, content complexity, and image count. Free tool for content creators and bloggers.
RSS Feed Validator
Validate RSS and Atom feeds for XML errors, missing required elements, invalid dates, encoding mismatches, and media compatibility issues.
Free Social Media Content Calendar Generator
Generate a 30-day social media content calendar for any niche. Enter your business type and platforms and get a full month of post ideas with suggested content types, hashtags, and best posting times for each platform.
Free Flesch Readability Score Calculator
Paste any text and instantly get Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, and SMOG scores. Free browser-based readability calculator for writers, editors, and content creators.
Free RSS to Email Converter
Paste any RSS feed URL to generate a formatted HTML email newsletter from the latest entries. Preview the email, customize the template, and copy the HTML to send via any email provider. Free, no signup required.
Free RSS to JSON Converter
Paste any RSS or Atom feed URL and instantly convert it to clean JSON output. Supports RSS 2.0, Atom 1.0, and common feed extensions. Copy or download the JSON.
Free Blog Post Outline Generator
Generate SEO-friendly blog post outlines with H2/H3 structure, key talking points, internal link ideas, target word counts, LSI keywords, and FAQ prompts in seconds.
Free Substack Earnings Calculator
Estimate Substack newsletter revenue from subscriber count, free-to-paid conversion, monthly/annual pricing, churn, and Substack's 10% fee plus Stripe processing. See gross MRR, net take-home, projected ARR, break-even subscribers, and a 12-month growth forecast.
Free Blog Post Headline Analyzer
Free headline analyzer that scores your blog post titles 0-100 across SEO length, power words, sentiment, and readability, with instant suggestions to lift CTR.
Free Newsletter Length Optimizer
Free tool that analyzes newsletter length, word count, and reading time, then recommends the ideal target band for B2B, B2C, SaaS, creator, and long-form newsletters.
Free OPML File Validator
Free online OPML validator that checks XML well-formedness, OPML 2.0 schema compliance, and lists every RSS feed in your file. Catch broken feeds and missing attributes before importing to a new RSS reader.
Free Content Brief Generator
Free content brief generator. Turn any topic into a complete SEO content brief with title options, meta tags, outline, search intent, key points, internal links, and FAQ in seconds.