crypto.tt Bitcoin payment-request workbench — offline edition v1.44

Extract ALL files together, then open index.html in a modern browser.
No installation, account, internet connection or API key is required.
Chrome/Edge/Firefox/Safari with BigInt and Web Crypto are required for full address checks. If your browser blocks file-page Web Crypto, the tool reports that limitation; use a local static server or HTTPS host.

Create supports mainnet on-chain legacy, script, SegWit and Taproot addresses.
Inspect also reports test networks and partial unsupported instructions.
Inspect can read a local PNG/JPG/WebP QR image up to 5 MB, 12 megapixels and 4096 pixels per side. It reports the first readable QR only, without opening any link. Images are processed on this device, never uploaded. Blur, cropping, multiple codes or poor contrast can prevent correct decoding; review all decoded text.
The tool never creates a wallet, signs a transaction or proves payment.
Only paste PUBLIC receiving addresses or bitcoin: links, never wallet secrets.
Labels/messages are public request metadata, not on-chain memos.
The request amount excludes the payer's network fee.
Verify the full address, network and amount in the wallet before approving.

Share the generated link, PNG image or SVG image. Keep fresh wallet receiving addresses.
Clear inputs or close the page to discard entered data. No browser storage is used.
The offline files contain no network requests, analytics or remote resources.

Free to copy, adapt and self-host under the supplied MIT and Apache 2.0 licences. Keep all copyright and licence notices with redistributed copies.
Readable source is included. See THIRD-PARTY-NOTICES.txt for upstream sources and hashes.
This edition does not update automatically; check crypto.tt for future releases.
