Assistools

Your Online Text Toolkit

Compare text, count words, format and convert text and code online with Assistools. A fast, private, browser-based toolkit for writers, developers, and students. Free and easy to use.

Text Tools

Clean, sort, and transform your text with ease.

Word Counter

Instantly count words, characters, and paragraphs. Essential for texts that need to stay within a certain word count.

Alphabetize List

Sort lists alphabetically with advanced options. Handle different delimiters, remove duplicates, and more.

Remove Line Breaks

Clean up text formatting by removing unwanted line breaks. Perfect for fixing text copied from PDFs or emails.

Find and Replace

Efficiently search for specific words or phrases in your text and replace them with something else.

Reverse Text

Flip your text in various ways. You can reverse the entire text by character, reverse the order of words, or reverse lines.

Reading Time Calculator

Estimate how long it will take to read your text based on average reading speed.

Text Cleaner

Tidy up messy text with multiple cleaning options. Remove extra spaces, empty lines, and tabs.

Duplicate Line Remover

Find and remove duplicate lines from a list. Essential for cleaning up data or email lists.

Whitespace Remover

Quickly delete or replace whitespace symbols with total control. Choose between removing all whitespaces, targeting specific ones like tabs and newlines, or cleaning custom Unicode characters.

Converters

Transform data between different formats and encodings.

Bionic Reading Converter

Convert text to the Bionic Reading format to read faster by guiding your eyes through text with artificial fixation points.

Case Converter

Quickly change the capitalization of your text. Convert to UPPERCASE, lowercase, Title Case, and more.

URL Encoder / Decoder

Encode text to make it safe for use in a URL, or decode URL-encoded strings back to their original form.

Base64 Encoder / Decoder

Translate text into a Base64 representation or decode Base64 strings back to human readable text.

JavaScript / JSON Converter

Convert between JavaScript objects and JSON data. Supports bidirectional conversion with customizable indentation.

JSON to XML Converter

Convert JSON data to its equivalent XML format. Supports attributes and text node mapping.

XML to JSON Converter

Convert XML data to JSON format with support for attributes and text nodes.

JSON to PHP Converter

Convert JSON data into PHP code, including Associative Arrays or PHP Classes.

JSON to Java Converter

Convert JSON data into Java POJO classes with private fields, getters, and setters.

XML to XSD Converter

Generate an XML Schema Definition (XSD) from an XML document automatically.

JSON to C# Converter

Convert JSON data into C# class models with public properties and PascalCase naming.

CSV to XML Converter

Convert CSV data into structured XML format with customizable root and row tags.

Image to Data URI

Convert images (PNG, JPG, GIF) to Base64 encoded Data URIs for inline usage.

Data URI to Image

Convert Base64 encoded Data URIs back to downloadable image files (PNG, JPG, GIF).

CSV to SQL

Convert CSV data into SQL INSERT statements for database import.

Formatters

Beautify and validate your code for better readability.

JSON Formatter

Validate, format, and beautify your JSON data to make it readable and easy to debug.

SQL Formatter

Format and beautify your SQL queries. Indent messy SQL code to make it readable and maintainable.

XML Formatter

Beautify XML data with proper indentation. Validate your XML structure and make it easy to read.

HTML Formatter / Minifier

Format messy HTML into a clean, readable structure or minify it for production. Supports file uploads and embedded CSS/JS handling.

CSS Formatter

Organize your CSS code. Fix indentation and spacing to make stylesheets clean and professional.

JavaScript Beautifier / Minifier

Clean up your JS code. Beautify messy scripts for readability or minify them to reduce file size and improve load times.

PHP Formatter

Format and beautify your PHP code with customizable indentation. Clean messy PHP files for better readability.

Comparators

Identify differences between two pieces of content.

Text Compare

Easily spot the differences between two pieces of text. Paste your original and updated versions to get a line by line comparison.

Files Compare

Compare two text documents side-by-side and highlight differences in real-time.

Archive Comparator

Compare the contents of two archive files (ZIP, RAR). View differences in file structure and modified contents.

Generators

Create secure passwords and unique content combinations.

Lorem Ipsum Generator

Generate standard placeholder text for your designs. Create paragraphs, sentences, or words.

UUID Generator

Generate unique version 4 UUIDs (Universally Unique Identifiers) for your applications.

Fake Data Generator

Generate realistic test data including names, emails, addresses, and phone numbers.

Password Generator

Create strong, secure, and random passwords to protect your online accounts. Customize length and character types.

Word Combiner

Generate every possible combination from up to three lists of words. A powerful tool for keyword research.

SEO Tools

Optimize your website visibility with essential generators.

Open Graph Checker

Preview and validate your page's Open Graph & Twitter Card tags — fast & private.

Slug Generator

Create clean, SEO friendly URLs from your page titles. This tool removes special characters and converts spaces to hyphens.

Robots.txt Generator

Easily create a customized robots.txt file to tell search engine crawlers which pages or files they can or can't request. Control bot behavior, set crawl delays, and specify sitemaps.

Meta Tag Generator

Generate essential HTML meta tags for your website to improve its SEO. Fill in your title, description, and keywords to create tags that help search engines.

Schema Markup Generator

Generate JSON-LD structured data markup for Articles, Products, FAQs, Local Businesses, and more to boost your SEO.

Dev Tools

Essential utilities to speed up your development workflow.

JWT Decoder

Decode and inspect JSON Web Tokens (JWT) to view header and payload data without verification.

Chmod Calculator

Convert between Linux file permissions (octal) and symbolic notation (rwx).

URL Parser / Query String Splitter

Parse a URL and split a query string into individual components. Inspect protocol, host, path, and query parameters easily.

XML Validator

Ensure your data is flawless with our advanced XML validator. Performs deep well-formedness checks and provides optional XSD schema support for structural verification, all processed 100% locally in your browser.

Random & Decision Tools

Make fun and quick decisions with randomizers and pickers.

Random Name Picker

Pick a random name or winner from a list. Instant results with fun animations and history tracking.

Spin the Wheel

A customizable random decision wheel. Spin the wheel to pick names, options, or verify winners instantly.

A Toolkit Built for Privacy and Speed

Client-Side & Private

All tools run directly in your browser. This means your data is never sent to our servers, ensuring your work remains 100% private.

Blazing-Fast Performance

Since there's no server processing, you get instant results. Count words, format JSON, or generate passwords in the blink of an eye.

Simple and Intuitive

We believe powerful tools don't need to be complicated. Our clean, modern interface is designed to be user-friendly for everyone.

Completely Free

No subscriptions, no limits. Our goal is to provide high-quality, accessible tools for students, writers, and developers.

Frequently Asked Questions

Are the tools on Assistools.com really free to use?
Yes, absolutely. All tools available on our platform are completely free to use without any hidden charges, subscriptions, or usage limits. Our mission is to provide accessible, high-quality utilities for everyone.
Is my data safe and private when I use your tools?
Your privacy is our top priority. All our tools are 'client-side,' which means they run entirely within your web browser on your own computer. Your text and data are never sent to our servers, ensuring complete privacy and security.
Do I need to install any software to use these tools?
No installation is required. Assistools.com is a fully web-based platform. All you need is a modern web browser like Chrome, Firefox, or Safari to access and use all of our tools instantly.
How often do you add new tools to the platform?
We are constantly working to expand our toolkit based on user feedback and technological trends. We aim to add new and useful tools regularly to help you be more productive.