The complete local toolbox
Browse the complete category structure, then open a focused subcategory or a specific tool directly.
Structured Data
Format, validate, inspect, compare, query, flatten, sort, and convert JSON, XML, YAML, and CSV data without uploading a payload.
Code & Web
Encode Base64 and URLs, format HTML and CSS, preview Markdown, and validate regular expressions, links, and email addresses locally.
Text & Content
Compare drafts, count words, generate slugs and placeholder copy, change case, sort lines, and remove duplicate lines in the browser.
Security & Identity
Generate and assess passwords, calculate hashes and HMACs, inspect or verify JWTs, and create UUID or NanoID identifiers locally.
Media & Files
Convert colors, create or read QR codes, compress and resize images, and assemble local images into PDF documents without cloud processing.
Date, Time & Math
Convert Unix timestamps and time zones, compare calendar dates, translate measurement units, and solve percentage calculations locally.
Collections
Workflows
API Payload Review
Turn a captured JSON response into a readable document, then compare its serialized fields with a known reference payload.
Local Web Asset Preparation
Compress browser-ready images, assemble approved visuals into a PDF, and translate selected sRGB colors into implementation values.