{"id":18709288,"url":"https://github.com/jojoee/chromepass","last_synced_at":"2026-03-04T13:03:02.600Z","repository":{"id":53887586,"uuid":"260956838","full_name":"jojoee/chromepass","owner":"jojoee","description":":key: Google Chrome strong password generator","archived":false,"fork":false,"pushed_at":"2022-07-26T01:28:13.000Z","size":52,"stargazers_count":9,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-03-26T05:51:14.581Z","etag":null,"topics":["chrome","password","password-generator","random"],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/jojoee.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2020-05-03T15:18:22.000Z","updated_at":"2023-08-03T06:37:54.000Z","dependencies_parsed_at":"2022-08-13T03:20:21.389Z","dependency_job_id":null,"html_url":"https://github.com/jojoee/chromepass","commit_stats":null,"previous_names":[],"tags_count":3,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jojoee%2Fchromepass","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jojoee%2Fchromepass/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jojoee%2Fchromepass/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jojoee%2Fchromepass/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/jojoee","download_url":"https://codeload.github.com/jojoee/chromepass/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248553928,"owners_count":21123552,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["chrome","password","password-generator","random"],"created_at":"2024-11-07T12:26:57.519Z","updated_at":"2025-09-23T04:20:06.940Z","avatar_url":"https://github.com/jojoee.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# chromepass\n[![npm version](https://img.shields.io/npm/v/chromepass.svg)](https://npmjs.org/package/chromepass)\n[![codecov](https://codecov.io/gh/jojoee/chromepass/branch/master/graph/badge.svg)](https://codecov.io/gh/jojoee/chromepass)\n![License](https://img.shields.io/npm/l/chromepass)\n[![downloads](https://img.shields.io/npm/dt/chromepass.svg)](https://npmjs.org/package/chromepass)\n[![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg?style=flat-square)](https://github.com/semantic-release/semantic-release)\n![continuous integration](https://github.com/jojoee/chromepass/workflows/continuous%20integration/badge.svg?branch=master)\n![release](https://github.com/jojoee/chromepass/workflows/release/badge.svg?branch=master)\n\nGoogle Chrome password generator algorithm.\n\n**The application runs 100% locally, we do not track anything.**\n\n## Install\n\n```shell\nnpm install chromepass\n// or\nnpm install git+ssh://git@github.com/jojoee/chromepass\n// or run globally\nnpm install -g chromepass\nchromepass\nchromepass 10\n```\n\n## Example usage\n\n```typescript\n// commonjs\nconst { generator } = require('chromepass').default.v1\nfor (let i = 0; i \u003c 10; i++) {\n  const password = generator()\n  console.log(password)\n}\n\n// ES6\nimport chromepass from \"chromepass\"\nconst generator = chromepass.v1.generator\nfor (let i = 0; i \u003c 10; i++) {\n  const password = generator()\n  console.log(password)\n}\n```\n\n## Algorithm\nAlgorithm is described in [password_generator.cc](https://github.com/chromium/chromium/blob/master/components/password_manager/core/browser/generation/password_generator.cc).\n\n1. Define a set of character which contains 4 classes\n    - lowercase\n    - uppercase\n    - number\n    - special character\n\n2. Remove characters due to visual similarity\n    - `l` (lowercase L)\n    - `I` (capital i)\n    - `1` (one)\n    - `O` (capital o)\n    - `0` (zero)\n    - `o` (lowercase O)\n\n    So, we will got all possible characters in each class\n    - lowercase: `abcdefghijkmnpqrstuvwxyz`\n    - uppercase: `ABCDEFGHJKLMNPQRSTUVWXYZ`\n    - number: `23456789`\n    - special character: `*!-@%#.$_\u0026` (without ambiguous characters e.g. `{}[]()/\\'\":;`)\n\n3. Generate\n\n    3.1 Random minimum character of each class\n        - lowercase: 1 character\n        - uppercase: 1 character\n        - number: 1 character\n        - special character: 1 character\n\n    3.2 Random the rest evenly, until met 15 character length\n\n4. Shuffle up to 5 if found `--` and `__` in a generated password to improve readability\n\n## Reference\n- [How do I decide whether @types/* goes into `dependencies` or `devDependencies`?](https://stackoverflow.com/questions/45176661/how-do-i-decide-whether-types-goes-into-dependencies-or-devdependencies)\n- [Chrome generated passwords not high entropy?](https://security.stackexchange.com/questions/190796/chrome-generated-passwords-not-high-entropy)\n- [Secure Password Generator](https://passwordsgenerator.net/)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjojoee%2Fchromepass","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjojoee%2Fchromepass","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjojoee%2Fchromepass/lists"}