Added a new Markdown Viewer tool with lightning-fast Live Preview.
Redesigned the tool system interface to be more modern and user-friendly.
Fast, client-side technical tools. 100% local browser execution with zero trackers and zero cloud persistence.
Adjust query parameters or switch category filter.
Tra cứu giá vàng hôm nay trực tuyến: Giá vàng SJC, DOJI, PNJ, Bảo Tín Minh Châu, Kim Hạnh và vàng thế giới (XAU/USD). So sánh chênh lệch giá vàng miếng, nhẫn trơn 9999 theo thời gian thực.
Free online JSON Formatter to beautify, validate, and debug messy or minified JSON code instantly. 100% private and client-side.
A fast, fully-featured, client-side Markdown editor with live HTML preview.
Free online 2FA code generator (RFC 6238 TOTP). Generate, verify, and copy 6-digit two-factor authentication codes instantly. 100% private, client-side, and bulk MMO friendly.
A fast, privacy-focused, client-side HTML editor, viewer, and cleaner. Instantly format, strip inline styles, remove classes, and preview your HTML.
Analyze and audit articles against modern 2026 SEO standards. Supports Markdown & HTML with semantic structure and mobile readability scoring.
Free online CSV to JSON converter. Instantly transform spreadsheet tabular data into nested JSON objects. 100% private and client-side.
Online XML Viewer, Formatter, and XML to JSON Converter. Clean up legacy SOAP responses and validate your XML tags instantly.