FreeUtility Hub
Free Online Tools for Developers, Security and Everyday Tasks
FreeUtility Hub is a central directory of free, privacy-focused, browser-based utilities. Format code, encode and convert data, generate secure passwords, compute hashes, inspect JWTs, and work with JSON — all in one place, with no registration required.
Explore Our Free Tool Categories
Utilities that help you create and manage strong credentials, including cryptographically random password generators.
Formatters and beautifiers for JSON, XML, YAML, TOML, CSV, TSV, INI, HTML, CSS, SCSS, LESS, JavaScript, TypeScript, JSX, TSX, SQL, GraphQL, and MongoDB queries.
Encoders and decoders for Base64, URL percent-encoding, HTML entities, Unicode, ASCII, binary, hexadecimal, ROT13, and Morse code.
Hash generators (MD5, SHA-1, SHA-256, SHA-384, SHA-512), HMAC generators, CRC32 checksums, UUID tools, and regex utilities.
Validate, format, minify, compare and diff JSON, explore tree structures, test JSONPath, convert to CSV/XML/YAML, and validate against schemas.
Decode and inspect JSON Web Tokens: view headers and claims, check expiry and lifetime, validate audiences, and verify signatures.
How FreeUtility Hub Works
Pick a category or use the search box, open a tool's dedicated page, enter your input, and copy the result. No account or installation is required.
Who These Tools Are For
Developers, security professionals, students and learners, and everyday users who need quick formatting, encoding, hashing, or password tasks.
Privacy and Data Handling
FreeUtility Hub is built with a privacy-focused design. Many tools process data client-side in your browser. Because not every tool is guaranteed to be fully local, review each tool's page before entering sensitive information, and avoid pasting real secrets or production tokens into tools you have not verified.
Responsible Use of Security Tools
Never share real passwords, API keys, JWT secrets, or private cryptographic material in public spaces or with tools you do not trust. Store generated passwords in a reputable password manager. JWTs are encoded, not encrypted, so decoding reveals their contents. MD5 and SHA-1 are not suitable for password storage.
Why Use FreeUtility Hub?
Browser-based processing, no registration, client-side processing where supported, mobile-friendly design, and a free-forever model sustained by community donations.
Frequently Asked Questions
Are these tools really free?
Yes. FreeUtility Hub is sustained by community donations. There are no paywalls, premium tiers, or hidden fees.
Is my data uploaded to your servers?
Many tools process data client-side in your browser. Not every tool is guaranteed to be fully local, so review each tool's page before using sensitive data.
Do I need to create an account?
No. You will never be asked to sign up, log in, or provide personal information to use the utilities.
How is FreeUtility Hub funded?
The project is supported by optional community donations. There are no paid tiers.
Additional pages: About, Contact, Privacy, Terms, Disclaimer.