AtoZee Tech Tools — Free Online & AI Tools
Free Online Tools for Everyday Digital Work
135+ free utilities for text editing, developers, calculators, unit conversion, and AI generators — fast, private, and no signup required.
- 100% free, no signup
- Runs in your browser
- 135+ tools, updated regularly
Popular Free Online Tools
Most used utilities on AtoZee Tech — word counter, JSON formatter, password generator, and more.
Word Counter
Count words, characters, sentences, and paragraphs in your text instantly.
Use tool →JSON Formatter
Format and beautify JSON with auto-repair for common syntax mistakes like missing brackets and trailing commas.
Use tool →JSON Viewer
Paste JSON and explore it as an interactive, collapsible tree with syntax-friendly formatting.
Use tool →JSON Minify
Compress JSON by removing whitespace and line breaks for smaller payloads and faster transfers.
Use tool →Password Generator
Generate strong random passwords with customizable length and character sets.
Use tool →Base64 Encode
Encode text to Base64 for APIs, data URIs, and transmission-safe strings.
Use tool →Percentage Calculator
Calculate percentages, percentage change, and what percent one number is of another.
Use tool →UUID Generator
Generate RFC-compliant UUID v4 identifiers for databases and APIs.
Use tool →Case Converter
Convert text to uppercase, lowercase, title case, sentence case, and more.
Use tool →Text Repeater
Repeat text or lines multiple times with custom separators — ideal for test data, patterns, and lists.
Use tool →Length Converter
Convert between meters, kilometers, miles, feet, inches, and more.
Use tool →YouTube Thumbnail Downloader
Download YouTube video thumbnails in all available sizes — HD, SD, and default — from any video URL.
Use tool →What Is My IP
See your public IP address and location instantly — country, region, city, ISP, and more.
Use tool →IP Address Lookup
Look up any public IP address to find its country, city, ISP, timezone, and network details.
Use tool →AI Tools — Coming Soon
We are preparing free AI writing, code, and marketing tools. Check back soon — no signup required when we launch.
Browse Tool Categories
Text tools, development utilities, calculators, converters, and AI tools.
AI Tools
Coming soon — writing, code, social & SEO
Text Tools
Edit, count, convert, and clean text instantly with free online text utilities.
Image Tools
Resize, convert, compress images and encode to Base64 — all in your browser.
Calculators
Quick online calculators for percentages, discounts, age, and everyday math.
Unit Converters
Convert length, area, volume, speed, currency, energy, and 30+ unit types instantly.
Binary & Encoding Tools
Convert text, binary, hex, decimal, octal, and ASCII — plus Base64, URL, and HTML encoding.
Security & Secret Tools
Generate secure secrets, tokens, hashes, JWTs, API keys, and cryptographic values online for free.
Development Tools
A collection of useful online tools to clean up your JSON, remove whitespace, formatting, and more.
Website & Developer Tools
Legal generators, encoding utilities, and developer helpers for everyday coding tasks.
Website Management Tools
HTML, CSS, and JavaScript utilities, QR codes, URL tools, and IDs for managing your website.
Miscellaneous Tools
Handy generators and converters for passwords, UUIDs, colors, and more.
All Free Online Tools
Complete directory of utilities on AtoZee Tech Tools, grouped by category.
Text Tools
View all 9 →Word Counter
Count words, characters, sentences, and paragraphs in your text instantly.
Use tool →Character Counter
Count characters with and without spaces for tweets, meta descriptions, and SMS limits.
Use tool →Case Converter
Convert text to uppercase, lowercase, title case, sentence case, and more.
Use tool →Text to Slug
Convert any text into a clean URL-friendly slug for SEO and filenames.
Use tool →Remove Line Breaks
Remove line breaks and extra whitespace from copied text.
Use tool →Text Repeater
Repeat text or lines multiple times with custom separators — ideal for test data, patterns, and lists.
Use tool →Image Tools
View all 20 →Image to Base64
Convert any image file to a Base64 data URL string for HTML, CSS, or APIs.
Use tool →Image Resizer
Resize images to custom width and height with optional aspect ratio lock.
Use tool →Image Compressor
Compress JPG and WebP images to reduce file size while controlling quality.
Use tool →Image Format Converter
Convert images between PNG, JPEG, and WebP formats in your browser.
Use tool →Flip Image
Flip images horizontally or vertically in your browser.
Use tool →Rotate Image
Rotate images 90°, 180°, 270°, or any custom angle.
Use tool →Calculators
View all 9 →Percentage Calculator
Calculate percentages, percentage change, and what percent one number is of another.
Use tool →Age Calculator
Calculate exact age in years, months, and days from a birth date.
Use tool →Discount Calculator
Calculate sale price and savings from original price and discount percentage.
Use tool →Average Calculator
Calculate the mean (average) of a list of numbers.
Use tool →Sales Tax Calculator
Calculate sales tax amount and total price from subtotal and tax rate.
Use tool →Margin Calculator
Calculate profit margin and markup from cost and selling price.
Use tool →Unit Converters
View all 30 →Length Converter
Convert between meters, kilometers, miles, feet, inches, and more.
Use tool →Weight Converter
Convert between kilograms, grams, pounds, ounces, and other weight units.
Use tool →Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin instantly.
Use tool →Area Converter
Convert area units — square meters, acres, hectares, square feet, and more.
Use tool →Volume Converter
Convert volume between liters, gallons, cubic meters, and other units.
Use tool →Each Converter
Convert counting units — each, pair, dozen, score, and gross.
Use tool →Binary & Encoding Tools
View all 26 →Base64 Encode
Encode text to Base64 for APIs, data URIs, and transmission-safe strings.
Use tool →Base64 Decode
Decode Base64 strings back to readable plain text.
Use tool →Text to Binary
Convert plain text to binary (8-bit UTF-8 bytes).
Use tool →Binary to Text
Decode binary (8-bit groups) back to readable text.
Use tool →HEX to Binary
Convert hexadecimal values to binary.
Use tool →Binary to HEX
Convert binary to hexadecimal format.
Use tool →Security & Secret Tools
View all 27 →64-bit Secret Generator
Generate a cryptographically secure 64-bit secret (8 bytes) in hex, Base64, Base64URL, or unsigned decimal format.
Use tool →128-bit Secret Generator
Generate a secure 128-bit secret (16 bytes) as hex, Base64, Base64URL, or UUID-style string.
Use tool →256-bit Secret Generator
Generate a secure 256-bit secret (32 bytes) for encryption keys, signing secrets, and high-entropy tokens.
Use tool →API Key Generator
Generate API keys with atz_live, atz_test, or custom prefixes plus secure random suffixes.
Use tool →Secret Key Generator
Generate configurable-length secret keys with uppercase, lowercase, numbers, and symbols.
Use tool →Random Token Generator
Generate URL-safe random tokens with adjustable length for sessions, CSRF, and API auth.
Use tool →Development Tools
View all 12 →JSON Formatter
Format and beautify JSON with auto-repair for common syntax mistakes like missing brackets and trailing commas.
Use tool →JSON Validator
Validate JSON syntax and get clear error messages when structure is invalid.
Use tool →JSON Viewer
Paste JSON and explore it as an interactive, collapsible tree with syntax-friendly formatting.
Use tool →JSON Editor
Edit JSON in the browser, validate syntax, and format output with readable indentation.
Use tool →JSON Minify
Compress JSON by removing whitespace and line breaks for smaller payloads and faster transfers.
Use tool →XML to JSON
Convert XML documents to JSON for APIs, JavaScript apps, and modern data pipelines.
Use tool →Website & Developer Tools
Privacy Policy Generator
Generate a customizable privacy policy draft for your website or app in seconds.
Use tool →Terms and Conditions Generator
Generate terms and conditions tailored to your website, tools, or online service.
Use tool →Disclaimer Generator
Generate a website disclaimer for tools, blogs, and informational sites in seconds.
Use tool →Website Management Tools
View all 18 →URL Encode
Encode text for safe use in URLs and query strings.
Use tool →URL Decode
Decode URL-encoded strings back to their original form.
Use tool →HTML Encode
Encode special HTML characters to prevent rendering and XSS issues.
Use tool →HTML Decode
Decode HTML entities back to readable characters.
Use tool →UUID Generator
Generate RFC-compliant UUID v4 identifiers for databases and APIs.
Use tool →HTML Beautifier
Format and indent messy HTML for readability.
Use tool →Miscellaneous Tools
View all 8 →YouTube Thumbnail Downloader
Download YouTube video thumbnails in all available sizes — HD, SD, and default — from any video URL.
Use tool →Password Generator
Generate strong random passwords with customizable length and character sets.
Use tool →MD5 Generator
Generate MD5 hash checksums from text using secure server-side hashing.
Use tool →Color Converter
Convert colors between HEX and RGB formats with live preview.
Use tool →HEX to RGB Converter
Convert hexadecimal color codes to RGB values for CSS and design tools.
Use tool →RGB to HEX Converter
Convert RGB color values to hexadecimal codes for web and design.
Use tool →Frequently Asked Questions
- Are AtoZee Tech Tools free to use?
- Yes. All standard online tools are free with no signup required. AI tools use your configured API provider.
- Do you store my text or files?
- Most tools run in your browser. We do not store tool inputs on our servers for standard utilities.
- What types of tools are available?
- Text tools, development utilities, calculators, unit converters, image tools, website tools, and 28+ AI generators.
- How do I find a specific tool?
- Use the search bar on the homepage or browse categories. You can also visit our blog for guides and recommendations.
Read guides on our blog or contact us.