All Online Tools by TempGBox
Discover powerful, free tools that run entirely in your browser. No signup required, no data sent to servers—just instant results.
Learn How to Use These Tools
Explore our blog for in-depth tutorials, privacy guides, and tips on using developer tools efficiently.
Generate disposable email addresses, validate email formats, and protect your privacy with our email tools. All processing happens locally in your browser.
Temporary Email
Generate disposable emails with inbox. No signup.
Temporary Gmail
Create a free temporary Gmail address instantly for OTPs and AI tools.
Temp Gmail India
Fast disposable inbox for Indian app registrations & free trials.
Temp Gmail USA
Privacy-friendly disposable inbox for quick signups in the USA.
Temp Gmail Germany
Secure temporary email address in Germany.
Temp Gmail Netherlands
Quick and efficient disposable email for the Netherlands.
Temp Gmail UK
Use a temporary email in the UK to keep promotional spam away.
Temp Gmail Canada
Convenient disposable email service for Canada.
Temp Gmail France
Clean and simple temporary email for France.
Temp Gmail Australia
Instant temporary email service for Australia.
Temp Gmail Bangladesh
Secure and fast disposable email for Bangladesh.
Temp Gmail Egypt
Free temporary email addresses for Egypt.
Temp Gmail Indonesia
Quick disposable inbox for Indonesian users.
Temp Gmail Nigeria
Reliable temporary email service for Nigeria.
Temp Gmail Pakistan
Instant disposable email addresses for Pakistan.
Temporary Email and Password
Generate a disposable email address along with a random password.
Disposable Email Detector
Check if an email address is from a known throwaway domain. Instant, no signup.
Email Subject Line Scorer
Score your email subject line for spam triggers, length, and open rate potential.
Email Bounce Checker
Check if an email address will bounce before you send. MX record validation.
Spam Score Checker
Check your email content for spam triggers before you send.
Security & Privacy
Protect your digital identity with our security tools. Generate strong passwords, validate credit cards, and check password strength—all without sending data to servers.
Strong Password Generator
Create secure, random passwords. Custom length & characters.
Password Strength Checker
Check the strength of your password. Get feedback and suggestions for improvement.
Credit Card Validator
Validate credit card numbers using the Luhn algorithm. Detect card type and check format.
Developer
Essential developer tools for coding, debugging, and testing. Format JSON, XML, YAML, test regex, decode JWTs, and more. Built for developers, by developers.
JWT Decoder
Decode JWT headers and payload. No verification, client-side only.
Hash & UUID Generator
MD5, SHA-256/384/512 hashing. UUID v4 generator.
JSON Formatter
Format, validate, and minify JSON. Works entirely in your browser.
Timestamp Converter
Convert between Unix timestamps, ISO dates, UTC, and local time.
Regex Tester
Test regular expressions in real-time. See matches highlighted and capture groups.
HTML Encoder/Decoder
Encode HTML entities to prevent XSS or decode HTML entities back to plain text.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal bases.
Random String Generator
Generate random strings with customizable length and character sets. Perfect for passwords and tokens.
Slug Generator
Generate URL-friendly slugs from text. Converts to lowercase and replaces spaces with hyphens.
Email Validator
Validate email addresses format. Checks for common issues and format errors.
URL Validator
Validate and parse URLs. Extract protocol, hostname, path, query parameters, and more.
Color Picker
Pick colors and convert between HEX, RGB, and HSL formats.
Image to Base64
Convert images to Base64 encoding. Upload an image and get the Base64 string.
Cron Expression Generator
Generate cron expressions for scheduling tasks. Visual editor with presets and human-readable descriptions.
Markdown Editor
Live markdown editor with preview. Write markdown and see the rendered HTML in real-time.
XML Formatter
Format and validate XML. Beautify XML code with proper indentation. All processing happens in your browser.
YAML Formatter
Format and validate YAML. Beautify YAML code with proper indentation. All processing happens in your browser.
SQL Formatter
Format and beautify SQL queries. Supports MySQL, PostgreSQL, MSSQL, Oracle, and standard SQL.
Code Diff Checker
Compare two code snippets and see the differences. Highlight additions, deletions, and changes side by side.
Text & Converters
Powerful text manipulation tools at your fingertips. Convert cases, count words, reverse text, remove duplicates, and transform text in countless ways.
Text Transformer
Base64, URL encode/decode, case tools, JSON format & minify.
Word Counter
Count words, characters, sentences, paragraphs, and reading time.
Text Reverser
Reverse text strings character by character.
Remove Duplicate Lines
Remove duplicate lines from text while preserving order.
Sort Text Lines
Sort text lines alphabetically (A-Z or Z-A). Case-sensitive or case-insensitive.
Lorem Ipsum Generator
Generate placeholder text for designs and mockups. Customizable word count and paragraphs.
Case Converter
Convert text between different case styles: lowercase, uppercase, title case, camelCase, snake_case, kebab-case, and more.
QR & Scanner
Create and scan QR codes instantly. Generate QR codes for URLs, WiFi, or text, and decode QR codes from images—all in your browser.
Network & Online
Network utilities and IP tools for developers and IT professionals. Check IP addresses, convert formats, calculate subnets, and analyze network configurations.
What is My IP
Check your public IP address, location, ISP, and more.
IP to Decimal Converter
Convert IPv4 addresses between dotted decimal notation, decimal, and binary formats.
Subnet Calculator
Calculate subnet information from IP address and CIDR notation. Get network address, broadcast address, subnet mask, and more.
IPv4 to IPv6 Converter
Convert IPv4 addresses to IPv6 format (IPv4-mapped IPv6). Convert between IPv4 and IPv6 representations.
IP Range Calculator
Calculate IP address ranges from CIDR notation. Get all IP addresses in a subnet, network address, broadcast address, and more.
DNS Lookup
Check DNS records for any domain — A, MX, TXT, CNAME, NS. Instant.
SSL Certificate Checker
Check SSL certificate expiry, issuer, and validity for any domain.
Utility & Converters
Everyday utility tools to make your life easier. Convert units, generate random data, manage timers, resize images, and much more.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
Random Number Generator
Generate random numbers within a specified range. Customizable min, max, and quantity.
Length Converter
Convert between different units of length: millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.
Weight Converter
Convert between different units of weight: milligrams, grams, kilograms, ounces, pounds, and metric tons.
Time Zone Converter
Convert time between different time zones. See current time in multiple zones.
Random Name Generator
Generate random first names, last names, or full names. Perfect for testing, placeholders, or creative projects.
Stopwatch
Online stopwatch with lap times. Track time with precision down to centiseconds.
Timer
Countdown timer with alarm. Set hours, minutes, and seconds. Get notified when time is up.
Image Resizer
Resize images online. Maintain aspect ratio or set custom dimensions. All processing happens in your browser.
Image Compressor
Compress images to reduce file size. Adjust quality and format. All processing happens in your browser.
Image Converter
Convert images between PNG, JPG/JPEG, and WEBP formats. Adjust quality and download in your preferred format.
Text to Speech
Convert text to speech using your browser's built-in speech synthesis. Adjust voice, speed, pitch, and volume.
Barcode Generator
Generate barcodes in various formats: CODE128, CODE39, EAN13, EAN8, UPC, and more. Download as PNG image.
Username Generator
Generate unique, creative usernames for gaming, social, or professional use.
Fake Identity Generator
Generate realistic fake names, addresses, and test data for development.
Privacy Link Shortener
Shorten URLs without tracking. No clicks logged, no data sold. Coming soon.
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