Crate

uuid

UUID generation and parsing for Rust.

What it is

The uuid crate generates and parses Universally Unique Identifiers in v1, v3, v4, v5, v7, and v8 variants. It integrates with serde for JSON serialization and supports formatting as hyphenated, simple, URN, or braced strings.

Why it is commonly used

Used in databases, APIs, and distributed systems where unique identifiers are required — primary keys, request IDs, session tokens, and resource identifiers.

1.6k

Repositories

88%

Actively maintained

1.4k

Updated ≤ 30 days

4.8M

Total stars

1.4k

Owners

Counted from the Cargo.toml manifests of the 1.6k indexed repositories that declare uuid as a dependency — not download counts. Dependency data last verified 2026-09-16.

Browse 1627 repositories using uuid in Repos →

Often used with

Crates that show up unusually often in uuid projects. The most distinctive pairings rank first — crates these projects use far more than the average indexed Rust project does, not just crates that are popular everywhere. Each percentage is the share of uuid projects that also use it.

jsonwebtoken16.9%argon211.7%async-stream18.1%tracing-opentelemetry14%aws-config11.3%sqlx18.3%opentelemetry-otlp16.5%opentelemetry_sdk17.2%opentelemetry18.5%tower-http35%tower31.3%urlencoding20.3%dotenvy12.7%tokio-tungstenite19.5%mime_guess11.9%rmcp11.6%aes-gcm12%tracing-appender17.3%tonic16%hmac20.5%rcgen10.6%tokio-rustls15.6%axum45.7%prometheus10.5%

Used by these organizations

Cloudflare Mozilla AWS Microsoft Google Oxide Computer Deno Zed Industries Fly.io Turso PingCAP SurrealDB Embark Studios The Rust Project Fuel Labs Astral Tauri OpenAI Warp Meilisearch Rerun FUTO Tokio Bevy Engine Bytecode Alliance Linebender Nushell Qdrant Polars Quickwit Datadog Embassy Actix probe-rs Zellij PyO3 Yew uutils Leptos Wasmer Tracel AI Rust CLI WG Diesel Servo Matrix.org

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