No accounts. No uploads. No data leaving your browser.
Just fast, private, and reliable tools — built for developers who care about their workflow and their security.
A collection of fast, minimal, and privacy-friendly tools for developers. Encode, decode, format, and generate data instantly — all in your browser.
Encode text to Base64
Decode Base64 strings
Encode URL components
Decode URL strings
Escape HTML characters
Unescape HTML entities
Format and validate JSON
Pro tool to Format & validate JSON
Convert JSON to TS types
Decode JWT tokens
Generate MD5, SHA1, SHA256, SHA512 hashes for Strings
Build and validate cron expressions
Convert long text data to CSV format instantly
Convert Epoch to human-readable date format and vice versa.
Convert any given text to UPPERCASE, lowercase, snake_case, CamelCase, and kabab-case.
Preview your Markdown text in real-time
Find the difference between two json strings based on their structure, Type, and Values.
Whether you're debugging a JWT token at 2 AM, validating a JSON payload before a demo, or generating a hash for a file integrity check — you need tools that are instant, trustworthy, and always available. That's exactly what we built.
Every tool on this site runs entirely within your browser. Your data never touches our servers because there are no servers involved. What you type, stays with you.
A: Yes — completely. Every tool on this site is free with no hidden charges, no subscriptions, and no premium tiers. We believe developer utilities should be accessible to everyone.
A: Absolutely. All tools run entirely within your web browser using client-side JavaScript. No data is transmitted to any server. Your inputs remain 100% on your device, making this one of the most secure tool collections available online.
A: No. There are no accounts, no sign-ups, and no email required. Open a tool and start using it — it's that simple.
A: Once the page is loaded, most tools work without an active internet connection since all processing happens in your browser. Perfect for restricted environments or air-gapped machines.
A: Frontend developers, backend engineers, DevOps professionals, QA engineers, security researchers, and computer science students all benefit from this toolkit. If you work with data, tokens, URLs, or scripts — there's something here for you.
A: Yes. All tools are designed to be responsive and work on desktop, tablet, and mobile browsers.
A: The hash generator uses standard, industry-verified cryptographic algorithms (MD5, SHA1, SHA256, SHA512) implemented in the browser. Outputs are identical to server-side and CLI tools.