Your All-in-One
Online Toolbox
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Instant Results
All tools run directly in your browser — no server round-trips, no waiting.
Private & Secure
Your data never leaves your device. Encrypt, hash, and generate with confidence.
Always Growing
New tools added regularly — from converters and generators to encoders and formatters.
# Categories
Overview of All Tools
# Conversion
Convert between different length units (meters, kilometers, miles, feet, etc.) with ease.
Convert numbers between different bases (binary, decimal, hexadecimal, octal) effortlessly.
Convert temperatures between Celsius, Fahrenheit, and Kelvin with ease.
Convert between various weight units (grams, kilograms, pounds, ounces, etc.) quickly and accurately.
Convert between different energy units (joules, calories, kWh, etc.) with instant, accurate results.
Convert between different velocity units (m/s, km/h, mph, etc.) quickly and accurately.
# Encoding
Encode or decode text using algorithms like Base64 or URL encoding for data transmission.
Encrypt and decrypt text using popular algorithms like AES, DES, and more for secure data handling.
Decode, verify, and generate JWT tokens for secure data transmission and authentication.
# Calculation
Generate cryptographic hash values (MD5, SHA-1, SHA-256, etc.) for any input to verify data integrity or enhance security.
# Generation
Generate unique GUIDs (Globally Unique Identifiers) for your applications with a single click.
Generate strong, random passwords to enhance security with customizable length and complexity.
Generate custom QR codes for links, text, or contact info with ease.
Generate custom barcodes for products, URLs, or any text with adjustable size and format options.
# Text
Quickly format and beautify text by adjusting spacing, indentation, and case for better readability.
Generate Lorem Ipsum text or placeholder content for testing and mockups.
Frequently Asked Questions
Are all tools completely free?
Yes — every tool on 1TOOLS is 100% free to use with no hidden fees, subscriptions, or premium tiers. We believe useful utilities should be accessible to everyone.
Do I need to create an account?
No registration or sign-up is required. Open any tool and start using it immediately — no email address, no password, no account needed.
Is my data private and secure?
All tools run entirely in your browser. Your input data is never sent to our servers, stored, or shared with third parties. This is especially important for sensitive tasks like encryption, hashing, and password generation.
What types of tools are available?
1TOOLS currently offers tools across five categories: Conversion (units, numbers, temperature), Encoding (Base64, encryption, JWT), Calculation (hash functions), Generation (passwords, QR codes, barcodes, GUIDs), and Text (formatting, Lorem Ipsum generation).
Do the tools work on mobile devices?
Yes. All tools are fully responsive and work on smartphones, tablets, and desktops. The layout adapts automatically to your screen size.
How often are new tools added?
We regularly add new tools based on user feedback and demand. If you'd like to suggest a tool or report an issue, please use the Contact page — we read every message.
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