# 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.

## 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
- **Package manager page:** <https://www.npmjs.com/package/speedscope>
- **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>
- **Repository:** <https://github.com/jlfwong/speedscope>
- **Upstream docs:** <https://github.com/jlfwong/speedscope#readme>
- **License:** MIT
- **Source archive:** <https://registry.npmjs.org/speedscope/-/speedscope-1.25.0.tgz>
- **Issue tracker:** <https://github.com/jlfwong/speedscope/issues>
- **Published:** 2025-12-03T18:49:35.089Z
- **Last updated:** 2025-12-03T18:49:35.089Z
- **Generated:** 2026-07-08T18:08:21+00:00

## Executables

- speedscope (cli)
- speedscope (alias)

## Dependencies

- open

## Build dependencies

- @types/jest
- @types/jszip
- @types/node
- @types/pako
- @typescript-eslint/eslint-plugin
- @typescript-eslint/parser
- acorn
- aphrodite
- esbuild
- esbuild-jest
- eslint
- eslint-plugin-prettier
- eslint-plugin-react-hooks
- jest
- jest-environment-jsdom
- jfrview
- jsverify
- jszip
- pako
- preact
- prettier
- protobufjs
- source-map
- ts-jest
- tsx
- typescript
- typescript-json-schema
- uglify-es
- uint8array-json-parser

## Install behavior

- Post-install hook: not defined
- Bottle: not available

## Freshness

- Page generated: 2026-07-08
- Package-manager version: 1.25.0
- Package-manager updated: 2025-12-03
- Local data: ok
- Upstream repository: https://github.com/jlfwong/speedscope
- notice: The package-manager record has not changed recently.
- info: No cached GitHub release or tag data was available.

## 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.


## Source Database Details

- **Source Database:** npm registry
- **Dist Tags:** Latest: 1.25.0
- **Version Count:** 58
- **Maintainers:** jyc, jlfwong
- **Publisher:** jlfwong
- **Integrity:** sha512-cpf9HWTZf1ijLXBJrk87Ve/54tnYx6rlf0gUThvn3ook6h63hLXVOQiMf44PT+XoV503cPfvfiT5gP5vojp6Ag==
- **Shasum:** bb5895ab7948baa588705157faf3918be9fbda7e
- **Unpacked Size:** 987,369
- **File Count:** 0
- **Created At:** 2018-05-31T07:23:20.772Z
- **Latest Published At:** 2025-12-03T18:49:35.089Z
- **Modified At:** 2025-12-03T18:49:35.285Z

## 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


## Related links

- [Web development packages](https://www.automicvault.com/pkg/web-dev-tools/) - Matched curated package taxonomy and local package facts.
- [ts-add-js-extension](https://www.automicvault.com/pkg/npm/ts-add-js-extension/) - Both packages touch the same language runtime or ecosystem. Shared terms: cli, control, developer, developer-tools, import.
- [scp2](https://www.automicvault.com/pkg/npm/scp2/) - Both packages touch the same language runtime or ecosystem. Shared terms: based, cli, control, developer, developer-tools.
- [sparkline](https://www.automicvault.com/pkg/npm/sparkline/) - Both packages touch the same language runtime or ecosystem. Shared terms: cli, control, developer, developer-tools, here.

## Sources

- Nucleus package database
- package-page enrichment
- package version freshness
- av.db category and tag curation
- package relationship graph
- external package-manager database matches
- cross-ecosystem install command graph