Text Tools
Free
Case Converter
Convert text to uppercase, lowercase, title case, sentence case and capitalized case instantly.
🧰 Free Online Tools Directory
All free online tools in one simple place.
Search and use practical tools for PDFs, images, text, calculators, converters, SEO, developers, business documents and everyday productivity tasks.
✅ Free to use
✅ No signup needed
✅ Mobile friendly
✅ Clear instructions
📂 Categories
Browse tool categories
Choose a category to find tools for documents, images, writing, development, SEO, calculations and business productivity.
✍️ Text Tools
Free online text tools for counting words, cleaning text, converting case, removing duplicate lines, sorting lines, generating slugs, comparing text, extracting emails, extracting URLs and improving writing productivity. …
📄 PDF & Documents
Free PDF and Document tools for managing, converting and organizing documents online. Use these tools to merge PDF files, split PDF pages, compress PDF documents, convert PDF pages …
🖼️ Image Tools
Free Image Tools for editing, optimizing, converting and managing images online. Use these tools to compress images, resize photos, crop images, convert JPG, PNG and WebP files, generate …
💻 Developer Tools
Free Developer Tools for formatting, validating, encoding, decoding and generating useful technical data online. Use these tools to format JSON, validate JSON, format HTML, format CSS, minify JavaScript, …
🧮 Calculators
Free online calculators for everyday personal, business, school and financial calculations. Use these tools to calculate percentages, age, BMI, loans, discounts, VAT, tips, mortgage payments, savings goals, compound …
🔎 SEO & Webmaster
Free SEO and Webmaster tools for improving website visibility, search engine optimization and technical website setup. Use these tools to generate meta tags, create robots.txt files, check sitemaps, …
⏰ Date & Time
Free Date and Time tools for calculating dates, time differences, timestamps, countdowns, time zones and everyday scheduling tasks. Use these tools to calculate the difference between two dates, …
⚖️ Business / Legal Tools
Free business and legal document tools for creating privacy policies, terms and conditions, cookie policies, disclaimers, refund policies, invoices, receipts, quotations, proforma invoices, delivery notes, purchase orders, CVs, …
📊 Data & CSV Tools
Free Data and CSV tools for working with structured data online. Use these tools to convert CSV to JSON, JSON to CSV, view CSV files, remove duplicate rows, …
🎓 Education Tools
Free Education Tools for students, teachers, tutors, schools and everyday learning tasks. Use these tools to calculate GPA, calculate grades, plan study sessions, format citations, solve basic equations, …
📱 Social Media Tools
Free Social Media tools for creating better posts, captions, hashtags, bios, titles, previews and content plans online. Use these tools to generate YouTube titles, create hashtags, count caption …
🔄 Unit Converters
Free Unit Converter tools for converting common measurements online. Use these tools to convert length, weight, temperature, area, volume, speed, data size, time and other everyday units quickly. …
⚡ Available Tools
Open any tool and start working for free.
Each tool is designed for a specific task and includes descriptions, instructions and privacy notes where applicable.
Text Tools
Free
Character Counter
Count characters, words, spaces, lines, sentences and paragraphs instantly with this free online character counter.
Text Tools
Free
Remove Duplicate Lines
Remove duplicate lines from text, lists, keywords, names or emails instantly with this free online tool.
Text Tools
Free
Slug Generator
Generate clean SEO-friendly URL slugs from titles, headings, article names and product names instantly.
Text Tools
Free
Sort Lines
Sort lines alphabetically, reverse lines, shuffle lines and clean text lists instantly with this free online tool.
Text Tools
Free
Text Cleaner
Clean messy text by removing extra spaces, tabs, empty lines and formatting issues instantly.
Text Tools
Free
Text Compare
Compare two texts online and check word, character and line differences instantly.
Text Tools
Free
Word Counter
Count words, characters, sentences and paragraphs in your text instantly.
PDF & Documents
Free
Compress PDF
Compress and optimize PDF files online by rebuilding the PDF structure and removing basic metadata in your browser.
PDF & Documents
Free
JPG to PDF
Convert JPG, PNG or WebP images into one PDF online with image ordering, page size options and instant download.
PDF & Documents
Free
Merge PDF
Merge multiple PDF files into one PDF online with drag and drop, file ordering, preview opening and download.
PDF & Documents
Free
PDF Metadata Viewer
View PDF metadata online including title, author, creator, producer, dates, page count, PDF version, page sizes and file details.
PDF & Documents
Free
PDF Page Reorder
Reorder PDF pages online, remove unwanted pages and download a new PDF with the updated page order.
PDF & Documents
Free
PDF to JPG
Convert PDF pages into high-quality JPG images online with page selection, preview and ZIP download.
PDF & Documents
Free
Split PDF
Split one PDF into separate pages, custom page ranges, fixed page groups, or odd and even page files online.
Image Tools
Free
Color Picker from Image
Pick colors from any image online and extract HEX, RGB, RGBA, HSL and dominant color palettes.
Image Tools
Free
Convert JPG/PNG/WebP
Convert images between JPG, PNG and WebP online with batch conversion, preview and ZIP download.
Image Tools
Free
Crop Image
Crop JPG, PNG and WebP images online with free crop, square crop, custom ratio, preview and instant download.
Image Tools
Free
Favicon Generator
Generate favicon.ico, PNG favicons, Apple touch icon, Android icons, manifest.json and HTML favicon code from your logo.
Image Tools
Free
Image Compressor
Compress JPG, PNG and WebP images online to reduce file size for websites, forms, email and social media.
Image Tools
Free
Image Metadata Viewer
View image metadata online including file size, dimensions, aspect ratio, megapixels, MIME type and EXIF camera information.
Image Tools
Free
Image to Base64
Convert images to Base64 online and generate Data URL, raw Base64, HTML img tag, CSS background or JSON output.
Image Tools
Free
Resize Image
Resize JPG, PNG and WebP images online by exact size, percentage, width, height, max box or social media presets.
Developer Tools
Free
Base64 Encode / Decode
Encode text to Base64 and decode Base64 back to readable text instantly in your browser.
Developer Tools
Free
CSS Formatter
Format, beautify, minify and check CSS code online with this free browser-based CSS Formatter tool.
Developer Tools
Free
HTML Formatter
Format, beautify, minify and check HTML code online with this free browser-based HTML Formatter tool.
Developer Tools
Free
JSON Formatter
Format, minify and validate JSON online with this free browser-based JSON Formatter tool.
Developer Tools
Free
JSON Validator
Validate JSON online, find syntax errors and check JSON structure instantly in your browser.
Developer Tools
Free
JavaScript Minifier
Minify JavaScript online by removing comments, spaces and line breaks with this free browser-based JS Minifier.
Developer Tools
Free
URL Encoder / Decoder
Encode and decode URLs, query strings and URL components instantly with this free browser-based tool.
Developer Tools
Free
UUID Generator
Generate random UUID v4 values online for testing, APIs, databases and development tasks.
Calculators
Free
Age Calculator
Calculate exact age from date of birth in years, months, days, total days lived and next birthday countdown.
Calculators
Free
Discount Calculator
Calculate discount price, amount saved, final price, original price and tax after discount online.
Calculators
Free
Percentage Calculator
Calculate percentages, percentage change, discounts, increases, decreases and reverse percentages online.
Calculators
Free
Tip Calculator
Calculate tip amount, total bill and split per person with tax, service charge and rounding options.
SEO & Webmaster
Free
Broken Link Checker
Check HTML or text for broken links, invalid URLs, duplicate links, relative links and optional live status issues.
SEO & Webmaster
Free
Canonical Checker
Check canonical URLs, canonical tags, og:url mismatch, duplicate canonicals and common SEO canonical issues.
SEO & Webmaster
Free
Hreflang Generator
Generate hreflang tags for multilingual and multi-region pages with x-default and validation checks.
SEO & Webmaster
Free
Keyword Density Checker
Check keyword density, word frequency and repeated keywords in your website content or article text.
SEO & Webmaster
Free
Meta Tag Generator
Generate SEO meta tags, Open Graph tags and Twitter Card tags for your website pages.
SEO & Webmaster
Free
Open Graph Preview
Preview and generate Open Graph meta tags for social sharing on Facebook, LinkedIn and X/Twitter.
SEO & Webmaster
Free
Page Speed Checklist
Use a free page speed checklist to review Core Web Vitals, images, caching, CSS, JavaScript, fonts and server performance.
SEO & Webmaster
Free
Robots.txt Generator
Generate a robots.txt file online to control search engine crawling and add sitemap URLs.
SEO & Webmaster
Free
SERP Preview
Preview how your SEO title, URL and meta description may appear in Google-style search results.
SEO & Webmaster
Free
Sitemap Checker
Check sitemap XML online for URLs, duplicates, invalid links, sitemap index entries and SEO issues.
SEO & Webmaster
Free
Title Length Checker
Check SEO title length, word count, estimated pixel width and search result preview online.
Date & Time
Free
Countdown Timer
Create a live countdown timer to any date and time with days, hours, minutes and seconds.
Date & Time
Free
Date Difference Calculator
Calculate the difference between two dates in days, weeks, months, years, weekdays and weekends.
Date & Time
Free
Days From Today Calculator
Calculate what date it will be after or before a number of days from today.
Date & Time
Free
Stopwatch
Use a free online stopwatch with start, pause, reset, lap times and downloadable report.
Date & Time
Free
Time Zone Converter
Convert time from one timezone to another for meetings, travel, events and online schedules.
Date & Time
Free
Timestamp Converter
Convert Unix timestamp to readable date and convert date/time to Unix timestamp online.
Business / Legal Tools
Free
Business Name Ideas
Generate creative business name ideas, tagline ideas and domain-style suggestions for your brand.
Business / Legal Tools
Free
CV / Resume Builder
Create a professional CV or resume online with skills, experience, education, projects and printable preview.
Business / Legal Tools
Free
Cover Letter Builder
Create a professional cover letter online for job applications, internships, freelance proposals and business opportunities.
Business / Legal Tools
Free
Delivery Note Generator
Create a professional delivery note online with sender, receiver, delivery details, items, quantities, condition and printable preview.
Business / Legal Tools
Free
Email Signature Generator
Create a professional email signature with your name, title, company, contacts, website and social links.
Business / Legal Tools
Free
Invoice Generator
Create a professional invoice online with items, tax, discount, totals and printable invoice preview.
Business / Legal Tools
Free
Proforma Invoice Generator
Create a professional proforma invoice online with items, tax, shipping, advance payment, validity date and printable preview.
Business / Legal Tools
Free
Purchase Order Generator
Create a professional purchase order online with supplier details, buyer details, items, tax, shipping and printable preview.
Business / Legal Tools
Free
Quotation Generator
Create a professional quotation online with items, tax, discount, validity date, deposit and printable preview.
Business / Legal Tools
Free
Receipt Generator
Create a professional payment receipt online with items, tax, discount, amount paid, balance and printable preview.
Data & CSV Tools
Free
CSV Column Extractor
Extract selected columns from CSV data using column names, numbers or ranges, with preview, copy and download.
Data & CSV Tools
Free
CSV Filter
Filter CSV rows by column values using contains, equals, numbers, dates, empty cells, regex and multi-rule filters.
Data & CSV Tools
Free
CSV Merger
Merge multiple CSV files or pasted CSV blocks into one clean CSV with header matching, source labels and duplicate handling.
Data & CSV Tools
Free
CSV Sorter
Sort CSV rows by column name or number using text, number or date sorting, with preview, copy and download.
Data & CSV Tools
Free
CSV Splitter
Split CSV data into smaller files by row count, number of parts or unique values from a selected column.
Data & CSV Tools
Free
CSV Statistics
Analyze CSV data and generate row counts, column types, missing values, duplicate rows, numeric stats and text summaries.
Data & CSV Tools
Free
CSV Validator
Validate CSV structure, headers, row length, duplicate rows, required fields and field types before importing data.
Data & CSV Tools
Free
CSV Viewer
View, search, sort and inspect CSV data in a clean table with upload, preview, copy and download options.
Data & CSV Tools
Free
CSV to JSON
Convert CSV data into JSON arrays or objects with headers, delimiter options, preview, copy and download.
Data & CSV Tools
Free
CSV to Markdown Table
Convert CSV data into a clean Markdown table for GitHub, README files, documentation, notes and blog posts.
Data & CSV Tools
Free
HTML Table to CSV
Convert HTML table code from websites, reports, dashboards or copied pages into clean CSV data with preview and download.
Data & CSV Tools
Free
JSON to CSV
Convert JSON arrays or objects into CSV with custom delimiter, headers, nested flattening, preview, copy and download.
Data & CSV Tools
Free
Markdown Table to CSV
Convert Markdown tables from README files, documentation or notes into clean CSV data with preview and download.
Data & CSV Tools
Free
Remove Duplicate Rows
Remove duplicate rows from CSV data using all columns or selected columns, with clean output, removed rows and report.
Data & CSV Tools
Free
Table Formatter
Format CSV, TSV or pasted table data into clean plain text, Markdown, HTML, CSV, TSV or JSON tables.
Education Tools
Free
Citation Formatter
Format citations for books, websites, journal articles, videos and reports in APA, MLA, Chicago, Harvard and IEEE-style formats.
Education Tools
Free
Equation Solver Basic
Solve basic linear equations, quadratic equations, two-variable systems and arithmetic expressions with steps.
Education Tools
Free
Exam Planner
Create smart exam study plans from subjects, exam dates, priority, chapters, weak topics and available study hours.
Education Tools
Free
Flashcards
Create study flashcards from terms and definitions, flip cards, mark known or review, and export your deck.
Education Tools
Free
GPA Calculator
Calculate semester GPA and cumulative GPA from courses, credits, letter grades and grade points.
Education Tools
Free
Grade Calculator
Calculate grades from assignments, tests, exams, points, percentages, weights and target final grade.
Education Tools
Free
Lesson Plan Generator
Generate structured lesson plans with objectives, materials, activities, assessment, homework and timing.
Education Tools
Free
Random Quiz Maker
Create random quizzes from topics, keywords or study notes with multiple choice, true/false and short answer questions.
Education Tools
Free
Reading Speed Calculator
Measure reading speed in words per minute, estimate reading time, check comprehension and create a reading report.
Education Tools
Free
Study Timer
Use a Pomodoro study timer with focus sessions, breaks, tasks, study goals and progress reports.
Education Tools
Free
Timetable Maker
Create school, class or study timetables with days, periods, subjects, teachers, rooms, breaks and export options.
Social Media Tools
Free
Bio Generator
Generate social media bio ideas for Instagram, TikTok, YouTube, X, LinkedIn, Facebook and business profiles.
Social Media Tools
Free
Caption Character Counter
Count caption characters, words, hashtags, mentions, links and check social media platform limits.
Social Media Tools
Free
Content Calendar Generator
Generate a social media content calendar with post dates, platforms, formats, content pillars, ideas, CTAs and hashtags.
Social Media Tools
Free
Hashtag Generator
Generate hashtags for Instagram, TikTok, YouTube, X/Twitter, Facebook and LinkedIn posts.
Social Media Tools
Free
Instagram Line Break
Format Instagram captions with clean line breaks, blank lines, invisible separators, dots or bullets.
Social Media Tools
Free
Social Preview
Preview how your page title, description, image and URL may appear on Facebook, X, LinkedIn, WhatsApp and other platforms.
Social Media Tools
Free
Thumbnail Size Guide
Find recommended thumbnail and image sizes for YouTube, Instagram, TikTok, Facebook, LinkedIn, X and other platforms.
Social Media Tools
Free
TikTok Hook Ideas
Generate scroll-stopping hook ideas for TikTok, Instagram Reels, YouTube Shorts and short-form videos.
Social Media Tools
Free
UTM Builder
Build UTM tracking URLs for social media, ads, email newsletters and marketing campaigns.
Social Media Tools
Free
YouTube Title Generator
Generate catchy YouTube video title ideas for tutorials, reviews, Shorts, vlogs and educational videos.
Unit Converters
Free
Area Converter
Convert area between square meters, square feet, acres, hectares, square kilometers and more.
Unit Converters
Free
Currency Converter
Convert currencies using a manual exchange rate with optional fee and conversion report.
Unit Converters
Free
Data Size Converter
Convert data size between bits, bytes, KB, MB, GB, TB, KiB, MiB, GiB and TiB online.
Unit Converters
Free
Length Converter
Convert length and distance between millimeters, centimeters, meters, kilometers, inches, feet, yards and miles.
Unit Converters
Free
Speed Converter
Convert speed between km/h, mph, m/s, knots, ft/s, Mach and other speed units online.
Unit Converters
Free
Temperature Converter
Convert temperature between Celsius, Fahrenheit, Kelvin, Rankine and Réaumur online.
Unit Converters
Free
Time Converter
Convert time between nanoseconds, milliseconds, seconds, minutes, hours, days, weeks, months and years.
Unit Converters
Free
Volume Converter
Convert volume between liters, milliliters, cubic meters, gallons, quarts, pints, cups and more.
Unit Converters
Free
Weight Converter
Convert weight and mass between grams, kilograms, pounds, ounces, tonnes, stones, carats and grains.
What you can do with these tools
ZanaHive provides a growing collection of free tools for common digital tasks. You can prepare documents, optimize images, clean text, calculate values, check SEO items, format developer data and create business documents from one organized tools directory.
This page is built to help visitors find the right tool quickly. Use the search box if you already know what you need, or browse categories when you want to discover related utilities.
- Use PDF tools to merge, split, compress, reorder and inspect PDF documents.
- Use image tools to compress, resize, crop, convert and extract colors from images.
- Use text tools to count words, clean text, convert case and organize lines.
- Use developer tools to format JSON, encode URLs, decode Base64 and generate UUIDs.
- Use calculators and business tools for everyday office and productivity tasks.
How to find and use a tool
1
Search or browse categories
Type a keyword such as PDF, image, JSON, invoice or calculator.
2
Open the tool page
Read the short description and choose the tool that matches your task.
3
Enter text or upload a file
Follow the instructions inside the tool page and adjust available settings.
4
Copy or download the result
Most tools allow copying results, downloading output files or saving a report.
✅ Useful for many tasks
Who can use these free online tools?
The tools directory is useful for students, offices, website owners, developers, designers, small businesses, content creators and everyday users.
🎓 Students
Count words, clean text, convert documents, prepare images and organize assignment content quickly.
🏢 Offices and businesses
Create invoices, receipts, quotations, purchase orders, delivery notes and other business documents.
🌐 Website owners
Compress images, generate favicons, preview SEO tags, check titles and prepare web content.
💻 Developers
Format JSON, validate data, encode URLs, decode Base64, minify JavaScript and generate IDs.
🎨 Designers
Resize images, crop photos, pick colors from images, convert formats and inspect image metadata.
❓ FAQ
Frequently asked questions
Helpful answers for visitors browsing the tools directory.
Are these tools free?
Yes. The standard tools on ZanaHive are free to use directly from your browser.
Do I need to create an account?
No. You can open tools and use them without signing up or installing software.
How do I search for a tool?
Use the search box at the top of this page and type keywords such as PDF, image, JSON or invoice.
Do the tools work on mobile?
Yes. The tools directory and tool pages are designed to work on desktop, tablet and mobile screens.
Are uploaded files private?
Many tools run directly in your browser. Check each tool page for its privacy note and how that tool processes input.
What should I do if I cannot find a tool?
Try a shorter keyword or browse the categories. New tools can also be added as the website grows.