Free AI & Developer Tools

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Free Base64 Encoder & Decoder Online | Effloow

Encode text to Base64 or decode Base64 to text instantly. Supports file upload, URL-safe variant, and copy to clipboard. 100% client-side.

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Developer Tools

Free Base64 Encoder & Decoder Online | Effloow

Encode text to Base64 or decode Base64 to text instantly. Supports file upload, URL-safe variant, and copy to clipboard. 100% client-side.

#tool #developer

Interactive

Developer Utilities Hub — UUID, Timestamp & Hash Generator

Generate UUIDs (v1/v4/v7), convert Unix timestamps, create hashes (MD5/SHA-256/SHA-512). Bulk generation, CSV/JSON export. 100% client-side.

#tool #developer

Interactive

Diff Checker — Free Online Text & Code Compare Tool

Compare text and code side-by-side or inline. Word-level highlighting, JSON semantic diff, file upload. 100% client-side — your data never leaves your browser.

#tool #developer

Interactive

JSON Formatter & Validator — Free Online JSON Tool

Format, validate, and minify JSON instantly. Syntax highlighting, tree view, error detection with line numbers, and configurable indentation. 100% client-side.

#tool #developer

Interactive

Vibe Coding Tool Picker — Find Your Perfect AI Code Generator

Take the interactive quiz to find the best vibe coding tool for your project. Compare Cursor, Lovable, Bolt.new, Replit, v0, Windsurf and more — pricing, features, and use cases side-by-side.

#tool #ai

Interactive

twMerge Playground — Tailwind CSS Class Conflict Debugger

Interactively debug Tailwind CSS class conflicts. See which classes get removed by tailwind-merge and why, with live visual output.

#tool #tailwind

Interactive

SEO Tools

AI Crawler Control Panel — Block AI Bots with a Visual robots.txt Generator

Generate robots.txt rules, meta tags, and HTTP headers to block AI crawlers like GPTBot, ClaudeBot, and PerplexityBot. Visual toggles, one-click presets, and deploy-ready output.

#tool #ai

Interactive

Content Tools

Article Word Count & Reading Time Calculator — Free Text Analysis Tool

Free word counter and reading time estimator. Get instant word count, character count, sentence count, paragraph count, reading time, and Flesch reading ease score for any text.

#tool #writing

Interactive

Newsletter Revenue & Valuation Calculator — Estimate Your Newsletter's Worth

Free calculator to estimate your newsletter's sponsorship revenue, paid subscription potential, affiliate income, and market valuation based on subscriber metrics and industry benchmarks.

#tool #newsletter

Interactive

Analytics Tools

AI Model Comparison Tool — Claude vs GPT vs Gemini Feature Matrix

Compare AI models side-by-side: pricing, context windows, multimodal support, speed, and capabilities. Interactive feature matrix for Claude, GPT, Gemini, Llama, and more.

#tool #ai

Interactive

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