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.
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.
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 →Text Sorter
Sort lines of text A–Z, Z–A, reverse order, or randomly. Remove duplicate lines in one click.
Use tool →Comma Separator
Convert a line-separated list into a single string with a custom delimiter — comma, pipe, semicolon, and more.
Use tool →Random Word Generator
Generate random words for writing prompts, brainstorming, games, and creative exercises.
Use tool →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 →YouTube Thumbnail Downloader
Download YouTube video thumbnails in all available sizes — HD, SD, and default — from any video URL.
Use tool →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 →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 →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 →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 →Password Generator
Generate strong random passwords with customizable length and character sets.
Use tool →UUID Generator
Generate RFC-compliant UUID v4 identifiers for databases and APIs.
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 →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 →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 →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 →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 →Image Enlarger
Enlarge images by percentage or target dimensions while keeping aspect ratio.
Use tool →Image Cropper
Crop images to a custom region and download the result.
Use tool →JPG to PNG
Convert JPG/JPEG images to PNG format online.
Use tool →PNG to JPG
Convert PNG images to JPG/JPEG with quality control.
Use tool →WebP to JPG
Convert WebP images to widely compatible JPG format.
Use tool →PNG to WebP
Convert PNG images to smaller WebP files for the web.
Use tool →PNG to GIF
Convert PNG images to GIF format (static frame).
Use tool →PNG to BMP
Convert PNG images to BMP bitmap format.
Use tool →PNG to ICO
Convert PNG images to ICO favicon/icon files.
Use tool →JPG to WebP
Convert JPG photos to smaller WebP format.
Use tool →JPG to BMP
Convert JPG images to BMP bitmap format.
Use tool →JPG to GIF
Convert JPG images to GIF format.
Use tool →JPG to ICO
Convert JPG images to ICO icon files.
Use tool →WebP to PNG
Convert WebP images to PNG format.
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 →Loan Calculator
Calculate monthly loan payments, total interest, and total amount paid.
Use tool →Probability Calculator
Calculate basic probability rules: AND, OR, and complement.
Use tool →GST Calculator
Calculate GST amount and gross or net price for any GST rate.
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 →Time Converter
Convert time between seconds, minutes, hours, days, weeks, and years.
Use tool →Digital Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Use tool →Parts Per Converter
Convert ppm, ppb, ppt, percent, and permille.
Use tool →Speed Converter
Convert speed between km/h, mph, m/s, knots, and more.
Use tool →Pace Converter
Convert running pace between min/km, min/mile, and other formats.
Use tool →Pressure Converter
Convert pressure between Pascal, bar, psi, atm, and mmHg.
Use tool →Current Converter
Convert electric current between amperes, milliamperes, and kiloamperes.
Use tool →Voltage Converter
Convert voltage between volts, millivolts, and kilovolts.
Use tool →Power Converter
Convert power between watts, kilowatts, megawatts, and horsepower.
Use tool →Reactive Power Converter
Convert reactive power (VAR, kVAR, MVAR).
Use tool →Apparent Power Converter
Convert apparent power (VA, kVA, MVA).
Use tool →Energy Converter
Convert energy between joules, calories, kWh, and more.
Use tool →Reactive Energy Converter
Convert reactive energy (VARh, kVARh, MVARh).
Use tool →Volumetric Flow Rate Converter
Convert flow rate between m³/s, L/min, gal/min, and more.
Use tool →Illuminance Converter
Convert illuminance between lux, foot-candles, and phot.
Use tool →Frequency Converter
Convert frequency between Hz, kHz, MHz, GHz, and rpm.
Use tool →Angle Converter
Convert angles between degrees, radians, gradians, and turns.
Use tool →Currency Converter
Convert money between major world currencies using live exchange rates.
Use tool →Number to Word Converter
Convert numbers into English words.
Use tool →Word to Number Converter
Convert English number words into digits.
Use tool →Torque Converter
Convert torque between N·m, lb·ft, and kgf·m.
Use tool →Charge Converter
Convert electric charge between coulombs, ampere-hours, and mAh.
Use tool →Number to Roman Numerals
Convert Arabic numbers (1–3999) to Roman numerals.
Use tool →Roman Numerals to Number
Convert Roman numerals to Arabic numbers.
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 →ASCII to Binary
Convert ASCII decimal codes to binary.
Use tool →Binary to ASCII
Convert binary to ASCII decimal codes.
Use tool →Decimal to Binary
Convert decimal byte values (0–255) to binary.
Use tool →Binary to Decimal
Convert binary to decimal byte values.
Use tool →Text to ASCII
Convert text to ASCII decimal character codes.
Use tool →ASCII to Text
Convert ASCII decimal codes to text.
Use tool →HEX to Decimal
Convert a hexadecimal number to decimal.
Use tool →Decimal to HEX
Convert a decimal number to hexadecimal.
Use tool →Octal to Binary
Convert octal byte values to binary.
Use tool →Binary to Octal
Convert binary to octal values.
Use tool →Octal to Decimal
Convert an octal number to decimal.
Use tool →Decimal to Octal
Convert a decimal number to octal.
Use tool →HEX to Octal
Convert hexadecimal to octal.
Use tool →Octal to HEX
Convert octal to hexadecimal.
Use tool →Text to Octal
Convert text to octal byte values.
Use tool →Octal to Text
Convert octal byte values to text.
Use tool →Text to HEX
Convert text to hexadecimal (UTF-8 bytes).
Use tool →HEX to Text
Decode hexadecimal bytes to text.
Use tool →Text to Decimal
Convert text to decimal byte values.
Use tool →Decimal to Text
Convert decimal byte values to text.
Use tool →HTML Beautifier
Format and indent messy HTML for readability.
Use tool →HTML Minifier
Minify HTML by removing extra whitespace and comments.
Use tool →CSS Beautifier
Format CSS with consistent indentation.
Use tool →CSS Minifier
Minify CSS by removing whitespace and comments.
Use tool →JavaScript Beautifier
Format JavaScript with proper indentation.
Use tool →JavaScript Minifier
Basic JavaScript minification in the browser.
Use tool →JavaScript DeObfuscator
Format obfuscated JavaScript for easier reading.
Use tool →JavaScript Obfuscator
Obfuscate JavaScript to deter casual copying.
Use tool →QR Code Generator
Create QR codes for URLs, text, and contact info.
Use tool →QR Code Decoder
Decode QR codes from uploaded images.
Use tool →Find Facebook ID
Extract Facebook profile or page IDs from URLs.
Use tool →URL Parser
Parse URLs into protocol, host, path, query, and hash components.
Use tool →UTM Builder
Build campaign URLs with UTM parameters for Google Analytics.
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 →CSV to JSON
Turn CSV spreadsheets into JSON arrays using the first row as column headers.
Use tool →TSV to JSON
Convert tab-separated values (TSV) into JSON using the first line as headers.
Use tool →JSON to XML
Convert JSON objects and arrays into well-formed XML for legacy systems and integrations.
Use tool →JSON to CSV
Export JSON arrays of objects to CSV with automatic column headers.
Use tool →JSON to Text
Flatten JSON into readable plain text with indented keys and values.
Use tool →JSON to TSV
Export JSON arrays to tab-separated values for spreadsheets and data tools.
Use tool →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 →Bearer Token Generator
Generate Bearer tokens formatted for Authorization headers (Bearer <token>).
Use tool →Hex Secret Generator
Generate random secrets as hexadecimal strings with configurable byte length.
Use tool →Base64 Secret Generator
Generate random secrets encoded as standard Base64 with configurable entropy length.
Use tool →Secure Password Generator
Generate strong passwords with crypto-secure randomness and custom length and character sets.
Use tool →SHA-1 Generator
Compute SHA-1 hash of text using the Web Crypto API in your browser.
Use tool →SHA-256 Generator
Compute SHA-256 hash of any text locally using Web Crypto — ideal for checksums and fingerprints.
Use tool →SHA-512 Generator
Compute SHA-512 hash of text with Web Crypto in the browser.
Use tool →HMAC SHA-256 Generator
Compute HMAC-SHA256 of a message with a secret key using Web Crypto locally.
Use tool →Hash Compare Tool
Compare two strings or SHA-256 hashes and see if they match — useful for verifying digests.
Use tool →JWT Decoder
Decode JWT header and payload locally. View algorithm, claims, and expiration — signature not verified.
Use tool →JWT Payload Viewer
View JWT payload claims in a readable JSON format — local decode only.
Use tool →JWT Expiration Checker
Check if a JWT is expired from the exp claim — decoded locally in your browser.
Use tool →Base64URL Encode
Encode text to Base64URL (RFC 4648 URL-safe) without padding.
Use tool →Base64URL Decode
Decode Base64URL strings back to plain text locally.
Use tool →Hex Encode
Encode text to hexadecimal representation.
Use tool →Hex Decode
Decode hexadecimal strings back to readable text.
Use tool →Random Number Generator
Generate cryptographically secure random integers in a custom min–max range.
Use tool →Random String Generator
Generate random strings with letters, numbers, and optional symbols.
Use tool →Nano ID Generator
Generate Nano ID-style compact unique IDs (default 21 characters, URL-safe).
Use tool →UUID v4 Generator
Generate RFC 4122 UUID v4 identifiers using crypto.randomUUID().
Use tool →UUID v7 Generator
Generate time-ordered UUID v7 identifiers for sortable unique IDs.
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.