Online Checksum Calculator

Generate and verify checksums instantly with our online tool. Calculate cryptographic hashes and checksums to verify the integrity of your data, passwords, files, and more in just seconds. Supports the most popular algorithms such as MD5, SHA-1, SHA-256, SHA3-256, and many others.

  • Completely secure: Your data is processed locally, without being sent to external servers.
  • Multi-algorithm: Support for 9 different checksum and hash algorithms.
  • Intuitive interface: Easy to use, with clear results.
  • Completely free: No registration, no limitations, no hidden costs.

Calculadora de Checksum Online

Calculate different types of checksums and hashes from your browser

Select the algorithms:
CRC-32 Adler-32 MD5 SHA-1 SHA-256 SHA-384 SHA-512 SHA3-256 xxHash
Algorithm Information
  • CRC-32: Error-detecting algorithm, commonly used in ZIP and PNG.
  • Adler-32: Checksum algorithm used in zlib, faster than CRC-32.
  • MD5: 128-bit cryptographic hash algorithm, now considered insecure.
  • SHA-1: Cryptographic hash algorithm 160-bit, also considered insecure.
  • SHA-256/384/512: The SHA-2 family of algorithms, considered secure.
  • SHA3-256: A member of the SHA-3 family, the most modern standard.
  • xxHash: An extremely fast non-cryptographic hash algorithm.

Other online tools that may interest you

Icon_24px_TexttoSpeech_Color
Free Online Text to Speech Converter

Instantly convert text to speech: 100% free, no registration, no limits. Voices in Spanish and more. Try it now!

Probar
What is my IP?

Find your public and local IP address instantly. Check your network connection and location easily

Probar
Online Temperature Measurement Converter

Convert between different temperature units such as: Celsius, Fahrenheit, Kelvin, etc.

Probar
SSL Certificate Validator

Check the validity, expiration date, and issuer of any SSL certificate. Ensure a website is secure and trustworthy.

Probar
Online Liquid Volume Converter

Convert between different volume units such as: Gallons, Liters, Tablespoons and many more.

Probar
Online Activation Calculator

Calculates the main activations of neural networks: Tangent, Sigmoid, ReLU and more.

Probar
Online PDF File Compressor

Compress and reduce the size of your PDF files. Perfect for sharing on WhatsApp and email.

Probar
Online Pressure Measurement Converter

Converts between different pressure measurement units such as: Bar, Pascal, Torr, etc.

Probar
Online Percentage Calculator

Calculate and compare percentages. Learn the formulas used to find the answer.

Probar
Online Mass (Weight) Converter

Convert between different weight units such as Grams, Kilos, Ounces, Drachmas, etc.

Probar
Free AI Prompt Generator

Generate professional prompts with our free AI Prompt Generator. No registration required, no limits, and compatible with ChatGPT, Gemini, Claude, and more

Probar
Online Base64 Image Viewer

View images in Base64 format and download them in png, jpg, gif formats

Probar