rp

Tools

Small tools, no uploads.

Utilities I reach for every day. Everything runs in your browser, so what you paste never leaves your device.

🔒 How this is enforced

JSON

JSON Formatter & Validator

Beautify, minify and validate JSON, with exact error locations.

JSON Graph Visualizer

See JSON as an interactive graph of nodes and edges, or as a collapsible tree.

Tokens

JWT Decoder & Verifier

Decode, edit, verify and re-sign JSON Web Tokens with any algorithm.

Markdown

Markdown Previewer

Write Markdown and see it rendered live, then export it as a PDF.

Visual Markdown Editor

Edit a formatted document directly, like a word processor, and get Markdown out.

Encoding

Base64 Encode & Decode

Convert text to Base64 and back, including the URL-safe alphabet.

URL Encode & Decode

Percent-encode text for URLs, or decode an encoded URL back to text.

Generators

Unix Timestamp Converter

Convert Unix timestamps to dates and dates to timestamps.

UUID Generator

Generate random v4 or time-ordered v7 UUIDs, one or up to 100,000 as a file.

Hash Generator

MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.