# Checksum Calculator

> Calculate checksums using CRC-32, Adler-32, Fletcher-16, and simple checksum algorithms.

- **Source:** DevDreaming (https://devdreaming.com)
- **Canonical URL:** https://devdreaming.com/tools/checksum-calculator
- **Category:** Security & Hashing
- **Price:** Free -- no signup

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## What this tool does

Calculate checksums using CRC-32, Adler-32, Fletcher-16, and simple checksum algorithms.

## How to use it

Checksum Calculator is an interactive, browser-based tool -- there are no installation steps and nothing to configure. To use it, open the tool page and work with it directly in your browser. No signup is required.

**[Open the Checksum Calculator tool ->](https://devdreaming.com/tools/checksum-calculator)**

This tool runs in your browser and cannot be operated from this Markdown copy -- open the link above to use it.

## Privacy

All tools on DevDreaming run entirely in your browser -- your input is never uploaded to a server.

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- [All Free Developer Tools](https://devdreaming.com/tools)
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- [JWT Decoder](https://devdreaming.com/tools/jwt-decoder)
- [Email Obfuscator](https://devdreaming.com/tools/email-obfuscator)

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