*{flex:1} textarea,input,select{font:inherit}textarea{width:100%;min-height:220px;padding:14px;border:1px solid #d7dce5;border-radius:9px;resize:vertical;font-family:monospace;background:#fff} input,select{padding:13px;border:1px solid #d7dce5;border-radius:9px;background:#fff} .tc-go{padding:12px 20px;border:0;border-radius:9px;background:#1769ff;color:#fff;font-weight:700;cursor:pointer} .tc-go:hover{background:#0d55d6}.tc-secondary{background:#fff;color:#1769ff;border:1px solid #d7dce5} .tc-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px} .tc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin-top:16px} .tc-result{display:none;margin-top:16px}.tc-code{font-family:monospace;white-space:pre-wrap;word-break:break-word;background:#f8fafc;padding:15px;border-radius:9px;max-height:500px;overflow:auto} .tc-row{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid #e8ecf1}.tc-row:last-child{border-bottom:0} .tc-label{color:#667085}.tc-value{font-family:monospace;font-weight:700;text-align:right;word-break:break-word} .tc-copy{padding:8px 12px;border:1px solid #d7dce5;border-radius:8px;background:#fff;font-weight:700;cursor:pointer} .tc-ok{color:#167447}.tc-error{color:#d92d20}.tc-warning{padding:12px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:9px;margin-top:14px} .tc-footer{text-align:center;color:#98a2b3;padding:30px} @media(max-width:600px){.tc-head h1{font-size:29px}.tc-input{flex-direction:column}} ]]>

Developer Tools

Fast browser-based utilities for developers, system administrators and web professionals.

{ } JSON Formatter & Validator

Format, validate and minify JSON locally in your browser.

🔤 Base64 Encoder / Decoder

Encode or decode text locally. Unicode text is supported.

🕒 Unix Timestamp Converter

Convert Unix seconds or milliseconds to readable dates, and convert dates back to Unix timestamps.

Timestamp → Date

Date → Timestamp

🆔 UUID Generator

Generate UUID v4 identifiers using the browser's cryptographically secure random generator.

🔗 URL Encoder / Decoder

Encode or decode URLs, query parameters and text locally.