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Find free online tools for quick calculations, CSV cleanup, file conversion, developer checks, and creative tasks. Search by keyword or browse by category to open the right tool fast.
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Free online tools directory
32 tools shown
Age Calculator
Calculate exact age in years, months, and days instantly.
Open toolBase64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to readable text locally.
Open toolCAC Calculator
Calculate customer acquisition cost from total spend and new customers.
Open toolCanonical Tag Generator
Generate canonical link tags for single or bulk URLs.
Open toolCase Converter
Convert text to sentence case, lowercase, uppercase, capitalized words, and title case instantly.
Open toolCPC Calculator
Calculate cost per click and required ad budget from clicks.
Popular New Open toolCPM Calculator
Calculate cost per 1,000 impressions, campaign budget, and required impressions.
Open toolCSV Cleaner
Clean messy CSV files with simple fixes like trim, dedupe, and blank column removal.
Open toolCSV Duplicate Remover
Remove duplicate CSV rows by full row or selected columns in one pass.
Open toolCSV to JSON Converter
Convert CSV tables into clean JSON for APIs instantly.
Open toolCSV to MySQL Converter
Generate MySQL-ready CREATE TABLE and INSERT statements directly from CSV.
New Open toolCTR Calculator
Calculate click-through rate and required clicks from impressions.
New Open toolCursed Text Generator
Generate cursed, glitch, and Zalgo-style Unicode text with live controls.
New Open toolHeight Converter
Convert centimeters, meters, feet, and inches with instant accurate results.
Open toolHTML to PPT Converter
Convert structured HTML into clean editable presentation slides quickly.
Open toolImage Cropper
Crop and resize images to exact dimensions privately in your browser.
New Open toolInstagram Post Generator
Create Instagram-style post mockups with live preview and PNG export.
Popular New Open toolJSON to CSV Converter
Turn JSON objects into CSV rows for spreadsheet workflows.
New Open toolJWT Decoder
Decode JWT tokens instantly and inspect headers and payloads.
Popular New Open toolPassword Generator
Generate strong random passwords and readable passphrases securely in your browser.
Open toolProduct Pricing Calculator
Calculate product selling price, profit, margin, markup, and total cost.
New Open toolQR Code Generator
Generate static QR codes and download PNG or SVG files.
Popular Open toolRandom Letter Generator
Generate random letters, filtered letter sets, and no-repeat rounds securely in your browser.
New Open toolRandom Object Generator
Generate random objects from useful categories and custom lists securely in your browser.
New Open toolROAS Calculator
Calculate return on ad spend and revenue targets for ecommerce ads.
Popular New Open toolSmall Text Generator
Create superscript, subscript, small caps, and tiny Unicode text with live copy-ready previews.
Popular New Open toolSnow Day Calculator
Estimate school closure chances quickly with weather-based inputs.
Open toolText to Handwriting Converter
Turn typed text into handwriting-style pages with live preview and exports.
Popular New Open toolTwitter Card Generator
Generate Twitter/X card meta tags with a live preview.
New Open toolTyping Speed Test
Test typing speed, accuracy, WPM, CPM, and mistakes with focused browser-based practice.
Popular New Open toolWord Counter
Count words, characters, sentences, paragraphs, and reading time instantly in your browser.
New Open toolYouTube Thumbnail Downloader
Preview and download the best available YouTube thumbnail from a URL or video ID.
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