Base64 Encoder and Decoder
Runs in browserEncode text to Base64 or decode it back in your browser
TOOLS_02
A growing collection of small utilities built for everyday developer tasks. No install, no signup.
Encode text to Base64 or decode it back in your browser
Pretty-print and validate JSON with two-space indentation
Create strong random passwords with browser cryptography
Create clean URL slugs from titles and phrases
Convert Unix timestamps and local dates instantly
Create random UUID v4 identifiers with one click
Convert identifiers between common programming naming styles
Convert colors between HEX, RGB, and HSL
Turn tabular CSV data into readable JSON
Turn common cURL requests into fetch, Python, PHP, or Go
Create SHA-256, SHA-384, and SHA-512 hashes locally
Turn HTML snippets into readable Markdown
Turn a local image into an embeddable Data URI
Flatten JSON objects into spreadsheet-ready CSV
Infer a JSON Schema from a representative JSON example
Turn JSON examples into TypeScript interfaces
Convert configuration JSON into clean YAML
Generate a Zod validation schema from JSON data
Inspect JWT headers and payloads without sending tokens away
Preview Markdown as clean HTML markup
Convert numbers between binary, decimal, octal, and hex
Generate TypeScript interfaces from OpenAPI schemas
Test regular expressions and inspect every match
Convert text to uppercase, lowercase, sentence case, title case, and more
Compare two texts and see line-by-line changes
Encode URL components or decode percent-escaped text
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ABOUT US
Utilities that run entirely in your browser. No install, no signup, and your data never leaves your machine.
FAQ
Yes. Every tool runs entirely in your browser. No account, no install, no tracking.
No. Everything is processed locally on your device. Your input never leaves your browser.
Yes. Use the contact page or open an issue on GitHub. We review every suggestion.