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UUID Generator

Generate random UUIDs (v4) or time-ordered UUIDs (v7), one or many at a time.

Generated with the browser’s crypto API — nothing is sent to a server.
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UUID Generator — frequently asked questions
v4 or v7?+
v4 is fully random. v7 embeds a timestamp so the IDs sort chronologically — better as database keys.
Are these guaranteed unique?+
v4 has ~5.3×10^36 possibilities, so collisions are effectively impossible in practice.
Apakah file saya diunggah ke server?+
Tidak — setiap alat di sini memproses file Anda sepenuhnya di perangkat Anda, dan tidak ada yang diunggah ke server. Satu-satunya pengecualian adalah alat AI, yang mengirim teks yang diekstrak (bukan file) ke Claude untuk melakukan tugasnya.
Apakah ada batas ukuran file?+
Kami tidak menerapkan batas buatan, tetapi karena pemrosesan terjadi di browser Anda, file yang sangat besar (500+ MB atau 1.000+ halaman) dibatasi oleh memori perangkat Anda, bukan oleh kami.