ToolGen - Free Online AI & Utility Tools

Convert binary to text and text to binary instantly.

💻 Binary to Text

Generate bold Unicode text for Instagram, Twitter, and social media profiles.

𝐁𝐨𝐥𝐝 Text Generator

Count characters with or without spaces.

🔤 Character Counter

Convert colors between HEX, RGB, and HSL formats.

🎨 Color Converter

Pick colors and get HEX, RGB, HSL codes

🎨

Color Picker

💰 Compound Interest Calculator

Calculate compound interest and see your money grow. Free investment calculator.

Validate credit card numbers (Luhn algorithm).

💳 Credit Card Validator

Generate cron expressions with visual editor.

⏰ Cron Generator

Minify and compress CSS code instantly. Reduce file size for faster loading.

🎨 CSS Minifier

Calculate days between two dates.

📅 Date Difference

Look up DNS records (A, MX, TXT, NS) for any domain. Free DNS checker.

🌐 DNS Lookup

Remove line breaks and join text. Convert multi-line to single line.

Line Break Remover

Validate single or bulk email addresses. Check format instantly.

📧

Email Validator

Compare two texts and highlight differences. Perfect for code review.

Text Diff Checker

Free

🌟

🧹 Duplicate Line Remover

Remove duplicate lines from text.

Free

Validate email address format.

📧 Email Validator

Encode special characters for URLs.

🔗 Encode URI Component

Generate fake names, emails, addresses for testing

🎭

Fake Data Generator

Generate favicon from any image or emoji.

🔖 Favicon Generator

Calculate your GPA from letter grades. Free for students.

🎓 GPA Calculator

Create beautiful CSS gradients instantly

🌈

CSS Gradient Generator

Generate beautiful CSS gradients.

🌈 CSS Gradient Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes

🔏

Hash Generator

#️⃣ Hashtag Generator

Convert HEX color codes to RGB values.

🎨 HEX to RGB

Complete HTML entities reference chart.

🏷️ HTML Entities

Escape or unescape HTML entities instantly

🏷️

HTML Escape/Unescape

Format, beautify and indent HTML code.

🏗️ HTML Formatter

Check HTTP headers for any URL. See security and caching headers.

📋 HTTP Header Checker

Complete reference of HTTP status codes.

🌐 HTTP Status Codes

Generate zero-width and special invisible Unicode characters.

👁️ Invisible Character

Find your IP address and location information.

🌍 IP Address Lookup

Format, validate and beautify JSON data

{ }

JSON Formatter

⭐ Popular

Convert JSON data to CSV format instantly.

📊 JSON to CSV Converter

Convert JSON to Tab Separated Values.

📊 JSON to TSV Converter

Convert JSON data to XML format.

📋 JSON to XML Converter

Validate and format JSON data. Check JSON syntax.

{ } JSON Validator

Decode and inspect JWT tokens instantly

🔓

JWT Decoder

🔍 Keyword Density Checker

Analyze keyword frequency and density in your content. Free SEO tool.

Remove line breaks from text.

🔗 Line Break Remover

Generate Lorem Ipsum placeholder text.

📜 Lorem Ipsum Generator

Generate placeholder text for designs

Lorem Ipsum Generator

Write Markdown and see rendered HTML instantly.

📝 Markdown Preview

Generate SEO meta tags. Includes Open Graph & Twitter cards.

🏷️ Meta Tag Generator

Preview how your page will look in Google search results.

🔍 SERP Meta Preview

Translate text to Morse code and vice versa. Free encoder/decoder.

📡 Morse Code Translator

Convert numbers to written words. Perfect for checks and invoices.

🔢 Number to Words

Check SSL certificate information.

🔒 SSL Certificate Info

Calculate percentage increase or decrease.

📈 Percentage Change

Check and fix punctuation in your text. Free grammar tool.

✏️ Punctuation Checker

Generate secure random passwords.

🔐 Password Generator

Test regular expressions in real-time.

🎯 Regex Tester

Convert RGB color values to HEX color codes.

🎨 RGB to HEX

Generate robots.txt file for your website.

🤖 robots.txt Generator

Ⅶ Roman Numeral Converter

Convert between Roman numerals and numbers instantly.

Convert text to URL-friendly slugs

Slug Generator

ᵗⁱⁿʸ Small Text Generator

Generate tiny text for Instagram and social media. Superscript & subscript.

Format and beautify SQL queries.

🗄️ SQL Formatter

Convert text between UPPERCASE, lowercase, Title Case.

🔠 Text Case Converter

Generate MD5, SHA-1, SHA-256, SHA-512 hashes. All processing in browser.

🔐

Hash Generator

Complete HTTP status codes reference. 200, 404, 500 errors explained.

📡

HTTP Status Codes

Create beautiful CSS gradients with live preview. Linear and radial.

🌈

CSS Gradient Generator

Decode QR codes from images. Upload and read QR content instantly.

📱

QR Code Decoder

YouTube Thumbnail Downloader

📸

Download YouTube thumbnails in HD quality. All resolution options.

Popular

🎨

RGB/Hex Converter

Convert between RGB and HEX colors. Get HSL values too.

Free

🏷️

Meta Tag Generator

Generate SEO meta tags including Open Graph and Twitter Cards.

Free

🌟

📝 Text Diff Checker

Compare two texts and see the differences.

Free

Convert any text to URL-friendly slugs.

🔗 Text to Slug

Convert Unix timestamps to dates and vice versa.

⏰ Timestamp Converter

Convert Unix timestamps and dates instantly

⏰

Timestamp Converter

Calculate tips and split bills.

💰 Tip Calculator

Convert meters, feet, inches, km, miles.

📏 Length Unit Converter

Convert kg, pounds, ounces, grams.

⚖️ Weight Unit Converter

Flip text uʍop ǝpısdn ʇxǝʇ for social media. Fun Unicode tool.

📖 Upside Down Text

Encode or decode URL strings instantly. Free & secure.

🔗 URL Encoder/Decoder

Parse and analyze URL components. Extract protocol, host, path, query.

🔍 URL Parser

Parse user agent strings. Browser & OS detection.

🔎 User Agent Parser

Generate random UUIDs for your projects

🔢

UUID Generator

Look up domain registration information.

🔍 WHOIS Lookup

🔐 WireGuard Config Generator

Generate WireGuard VPN configuration files.

Unscramble letters to find words. Great for word games and Scrabble.

🔤 Word Unscrambler

Convert YAML to JSON instantly.

📋 YAML to JSON Converter

Count sentences, words, paragraphs, and characters. Get detailed text statistics.

📊

Sentence Counter

Convert comma-separated text to a numbered list. Split text into individual items.

📋

Text to List Converter

Compare AI model costs. GPT-4o vs Claude vs Gemini vs DeepSeek. Find cheapest option.

💰

LLM Cost Calculator

Count word frequency in any text. Perfect for SEO keyword research.

🔤

Word Frequency Counter

Flip text to ʇxǝʇ uʍop ǝpısdn. Fun Unicode text converter for social media.

🔄

Upside Down Text

Convert text to 𝐁𝐨𝐥𝐝 Unicode letters. Perfect for Instagram and Twitter bios.

𝐁

Bold Text Generator

Trending

ᵗⁱⁿʸ

Small Text Generator

Generate tiny ᵗⁱⁿʸ superscript text for social media bios and posts.

Calculate your GPA on 4.0 scale. Supports weighted GPA for college and high school.

🎓

GPA Calculator

Compound Interest Calculator

💰

Calculate investment growth and savings. See the power of compound interest over time.

Convert numbers to English words. Essential for writing checks and legal documents.

🔢

Number to Words

Trending

🎂

Age Calculator

Calculate your exact age in years, months, days. Birthday countdown included.

Calculate your Body Mass Index. Check your health category in seconds.

⚖️

BMI Calculator

Password Strength Checker

🔐

Test your password strength. Get improvement tips for stronger passwords.

Calculate % increase, decrease, discounts. Essential for shopping and finance.

Percentage Calculator

Calculate monthly loan payments. Mortgage, car loan, personal loan.

🏦

Loan EMI Calculator

Convert meters, feet, inches, km, miles. All major length units covered.

📏

Length Converter

Convert text to URL-friendly slugs. Essential for SEO and blog posts.

Slug Generator

Generate random numbers for lotteries, giveaways, and contests.

🎲

Random Number Generator

Free

🌍

World Time Converter

See current time in 10+ cities worldwide. Real-time world clock.

Free

🎨

Color Picker

Pick colors and get HEX, RGB, HSL codes. Essential for web designers.

Popular

💁

Tip Calculator

Calculate tips and split bills. Never over-tip or under-tip again.

Free

Ⅽ

Roman Numeral Converter

Convert between Roman numerals and numbers instantly. Perfect for history lovers.

Free

#️⃣

Hashtag Generator

Generate trending hashtags for Instagram, TikTok, Twitter. Boost post visibility.

Popular

🎲

UUID Generator v4

Generate RFC 4122 compliant UUID v4. Multiple formats: Standard, No Hyphens, URN.

Free

📝

Lines to Words Converter

Extract words from multiple lines of text. Perfect for word processing tasks.

Free

🌟

▶️ YouTube Timestamp Link

Generate YouTube links that start at a specific timestamp.

Free

Calculate your exact age in years, months, and days.

🎂 Age Calculator

Calculate your Body Mass Index online

⚖️

BMI Calculator

Calculate monthly payments and interest

🏦

Loan Calculator

Generate strong, secure passwords instantly

🔐

Password Generator

⭐ Popular

🔐 Password Strength Checker

Check password strength instantly.

Calculate percentages instantly. Find % of a number.

📊 Percentage Calculator

Unscramble letters to form words. For Scrabble, Wordle, and word games.

Word Unscrambler

Encode and decode Base64 strings. All processing in your browser.

🔤

Base64 Encoder/Decoder

Convert text to lowercase, UPPERCASE, Title Case, Sentence case.

Abc

Case Converter

Generate realistic fake names with email, job, age for testing and mockups.

🎭

Fake Name Generator

Generate JSON, CSV, SQL fake data for testing and development.

📊

Fake Data Generator

Generate placeholder text for designs. Paragraphs, sentences, or words.

📜

Lorem Ipsum Generator

Free

⌨️

Character Counter

Count characters, words, sentences. Real-time statistics with progress bars.

Free

🔗

URL Encoder/Decoder

Encode or decode URLs. Convert special characters for web URLs.

Free

📱

QR Code Generator

Generate QR codes for URLs, WiFi, email, SMS. Free and instant.

Hot

🌟

🎲 Random Number Generator

Generate random numbers in any range. Perfect for lotteries.

Free

📏

Unit Converter

Convert length, weight, temperature & more

Count words, characters, sentences instantly

🔢

Word Counter

Find IP address location, ISP, and geolocation details.

🌍

IP Lookup

Find domain registration details and expiry information.

📋

WHOIS Lookup

Date Difference Calculator

📅

Calculate days, weeks, months, years between two dates.

Convert JSON arrays to CSV format. Export data for spreadsheets.

📊

JSON to CSV Converter

Convert between YAML and JSON formats. Developer data transformation.

📄

YAML to JSON Converter

Escape or unescape HTML special characters. Encode and decode HTML entities.

🏷️

HTML Escape/Unescape

Invisible Character Embedder

👻

Embed zero-width characters in text. Detect hidden characters.

Free

📈

Percentage Change Calculator

Calculate percentage increase or decrease between two values.

Free

📋

JSON to XML Converter

Convert JSON objects to XML format. Data format transformation.

Free

📡

Morse Code Translator

Convert text to Morse code and decode Morse to text.

Free

⌨️

Word Counter

Count words, characters, sentences. Get reading level estimates.

Free

🔍

DNS Lookup

Look up DNS records for any domain. A, MX, NS, TXT records.

Free

💳

Credit Card Validator

Validate credit card numbers using Luhn algorithm. Supports Visa, Mastercard, Amex.

Free

⏱️

YouTube Timestamp Link

Create YouTube links that start at any timestamp. Share videos from any point.

Free

📺

YouTube Thumbnail Downloader

Download any YouTube video thumbnail in HD

⭐ Popular

🔍

Plagiarism Checker

Check text for plagiarism. Free instant results with similarity analysis.

Fix grammar errors instantly. Free English grammar checker.

✏️

Grammar Checker

Rewrite and paraphrase text in 5 modes. Free instant results.

🔄

Paraphrasing Tool

Create stunning photo grids. Combine multiple images into beautiful layouts.

🖼️

Photo Grid Maker

Free AI Agent System Prompt Generator

🎯

Generate robust system prompts for AI agents. Includes role definition, behavior rules, output format constraints, and safety guidelines.

🔥 Hot

🧠

AI Agent Memory Strategy Builder

Design agent memory systems: short-term context window, long-term episodic memory, semantic knowledge base, and retrieval strategies.

Multi-Agent Communication Protocol Designer

Design communication protocols between agents. Define message formats, turn-taking rules, consensus mechanisms, and conflict resolution.

AI Agent Error Handling & Retry Planner

🔄

Plan error handling strategies for AI agents. Design retry logic, fallback chains, circuit breakers, and graceful degradation paths.

Build RAG pipelines with agentic retrieval. Includes query decomposition, multi-hop reasoning, iterative retrieval, and source citation.

📚

Agentic RAG Builder

🔥 Hot

✅

AI Agent Output Validator & Quality Scorer

Validate and score AI agent outputs. Check factual accuracy, format compliance, safety violations, and consistency with context.

Tool-Use Schema Generator for AI Agents

🔧

Generate OpenAPI-style tool schemas that AI agents can understand. Define parameters, types, descriptions, and required permissions.

AI Agent Persona & Personality Designer

🎭

Design agent personas with distinct personalities. Define communication style, vocabulary, emotional tone, and behavioral patterns.

Chain-of-Thought Prompt Builder

⛓️

Build step-by-step reasoning prompts. Structure complex problem-solving into explicit reasoning steps for better accuracy.

🔥 Hot

🎯

AI Agent Goal Decomposition Planner

Decompose complex user goals into executable sub-tasks. Design task hierarchies, dependencies, and execution ordering for agents.

Few-Shot Example Selector for AI Prompts

📋

Select optimal few-shot examples for AI prompts. Analyze example diversity, relevance, difficulty, and coverage of edge cases.

AI Agent Rate Limiter & Budget Controller

⏱️

Design rate limiting and budget controls for AI agents. Plan token budgets, API call limits, cost tracking, and auto-throttling.

AI Agent Audit Trail & Logging Designer

Design comprehensive logging for AI agents. Log decisions, tool calls, context windows, outputs, and user feedback for compliance.

Handoff Protocol Designer for AI Agents

🤝

Design seamless handoff protocols when AI agents transfer context. Define escalation paths, context encoding, and recovery strategies.