Snappo FAQ
Developer tools, explained.

Find clear answers about Snappo’s browser-based developer tools, privacy, supported tasks, and how to use each utility.

Snappo brings everyday developer utilities into one website. Use this FAQ to learn what the tools do, how they handle input, and where to find guidance for specific tasks. For tool-specific controls and limits, open the linked tool page before you begin.

About Snappo

What the site offers and how to get started.

Privacy and security

How to think about input privacy when using browser-based utilities.

Code and data tools

Answers for formatting, comparing, converting, and testing common developer inputs.

Password and security tools

What the password, bcrypt, and HMAC utilities do—and what they do not replace.

Text, color, and CSS tools

Quick guidance for common conversions and visual design utilities.

Troubleshooting and contributing

Where to go when an input fails or you want to improve the project.

Still need help?

If an answer does not cover your case, send feedback or report a reproducible bug. Include the tool name, what you entered, and what you expected; leave out passwords, keys, and other private data.

Contact Snappo

About Snappo

What is Snappo?

Are Snappo’s online tools free to use?

Do I need to create an account or install software?

Which developer tools are available on Snappo?

Can I use Snappo on a phone or tablet?

Privacy and security

Does Snappo upload the text or data I enter?

Is it safe to paste passwords, API keys, or confidential code into an online tool?

Does Snappo save my tool inputs or keep a history?

Does browser-based processing make every result private?

Code and data tools

How do I format, validate, or minify JSON online?

How can I compare two pieces of text with the diff checker?

How do I test a regular expression against sample text?

Can Snappo convert a CSV file or pasted CSV text to JSON?

What is the difference between encoding and encrypting Base64 data?

Should I encode a URL value or a complete URL?

How do Unix timestamps convert to dates and milliseconds?

What can the number base converter handle?

How do I create a Markdown table from rows of data?

Can the minifier safely optimize any JavaScript, CSS, or HTML?

Password and security tools

How does the Snappo password generator create a password?

What does the bcrypt generator do, and what is the cost factor?

What is an HMAC, and which algorithms does the tool support?

Does the color contrast checker certify that my interface is accessible?

Text, color, and CSS tools

Which color formats can the Snappo color picker convert?

How do I generate a CSS border radius or box shadow?

Can the case converter change text to camelCase, snake_case, or kebab-case?

Can I generate placeholder text with a specific length?

Troubleshooting and contributing

Why does a tool show an error for my input?

How do I report a bug or suggest a new developer tool?

Where can I read the source code or contribute to Snappo?

Still need help?