# Install speedscope with npm

English | 简体中文 # 🔬speedscope A fast, interactive web-based viewer for performance profiles. Supports import from a variety of profiles in a variety of languages (JS, Ruby, Python, Go & more). Try it here:. Version 1.25.0 via npm; verified 2025-12-03. Also installable with nix: nix profile install nixpkgs#speedscope.

## Install

```sh
sudo av install npm:speedscope
```

Additional install commands:

### Portable and language managers

- npm (100%):

```sh
npm install -g speedscope
```

  Evidence: local npm package metadata

## Package facts

- **Package key:** npm:speedscope
- **Package manager:** npm
- **Version:** 1.25.0
- **Source summary:** English | 简体中文 # 🔬speedscope A fast, interactive web-based viewer for performance profiles. Supports import from a variety of profiles in a variety of languages (JS, Ruby, Python, Go & more). Try it here:
- **Homepage:** <https://github.com/jlfwong/speedscope#readme>
- **Last updated:** 2025-12-03T18:49:35.089Z
- **Generated:** 2026-08-03T19:37:03+00:00

## Executables

- speedscope (alias)

## Install behavior

- Bottle: not available

## Freshness

- Page generated: 2026-08-03
- Package-manager version: 1.25.0

## Security Notes

No matching local secret-handling manifest was found for speedscope. Nucleus package metadata is still published here so future coverage has a stable package URL.


## Other Package-Manager Records

- Nix - speedscope: normalized package name match | nixpkgs package indexes: pkgs/by-name/sp/speedscope/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1


## Sources

- pkg.so package database
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph