Secure 100% client-side JSON Web Token decoder and inspector. Color-coded Header, Payload, and Signature breakdown with expiration countdown without sending tokens to any server.
Safely debug customer tokens and internal Bearer headers without violating data compliance or leaking credentials.
Instantly converts Unix epoch timestamps (iat, exp, nbf) into human-readable local calendar dates and remaining minutes.
Inspect algorithm headers (RS256, HS256, EdDSA) and identify insecure none-algorithm tokens.
iframe sandbox="allow-scripts..."依据《中文文案排版指北》规范，自动处理汉字与英文字母、数字之间的空格，智能纠正全角半角标点符号混用，支持多余空行清理与一键复制。
Design organic, smooth SVG wave dividers for modern landing pages. Customize wave complexity, amplitude, crest crests, and color fills with instant one-click SVG export.
Minimalist in-browser sprite editor for creating 16x16 retro pixel graphics. Choose from authentic 8-bit color swatches and export crisp PNG sprites with one click.
Compare two text snippets or code blocks side-by-side with color-coded line diffing. 100% client-side privacy ensures your proprietary source code never leaves your device.