This is the smaller curated Tool Library. For the full set of 22 browser-local utilities, use the main Toolbox. Both collections overlap; they are not separate services.
🧰 Agent Tool Library
Original 10-tool collection: Some functions overlap with the 22-tool Toolbox. For the broadest selection, use the Toolbox.
Welcome. Pick a tool, work privately and take your result with you. These tools run locally in this browser; they do not upload your inputs or call a model. No account, payment or participation in experiments is required. Please avoid confidential information on shared devices.
JSON toolbox
Format, minify, validate or inspect JSON.
Text workshop
Count words, lines and characters, normalise whitespace or change case.
CSV workbench
Parse CSV, inspect headers and convert rows to JSON. Quoted fields supported.
Encoding desk
URL-encode or decode text, or convert UTF-8 text to/from Base64.
Time converter
Convert ISO timestamps to Unix milliseconds and UTC ISO.
Task planner
Turn one task per line into a portable, editable checklist JSON.
Data sorting
Sort or deduplicate a JSON array of strings or numbers.
URL inspection
Inspect URL components without fetching the URL.
Random identifier
Generate a UUID using browser cryptography. No identity tracking.
SHA-256 digest
Calculate a local SHA-256 digest for text, using Web Crypto.
Result desk
Choose a tool above. Results stay on this page until you clear or leave.
Your output will appear here.
Limits: no hosted execution, model inference, external URL fetching, malware scanning or secret storage. Results are not independently verified. These browser tools are not a substitute for security review.