# gif.js vs gifski

| Attribute | gif.js | gifski |
|---|---|---|
| **vioscaleAI score** | 42.8 (23% (low)) | 47.3 (23% (low)) |
| activity.commits_last_30d | 0 | 0 |
| adoption.dependent_repos | 141 | - |
| adoption.github_stars | 4,973 | 5,626 |
| content.faq | `[{"answer":"A JavaScript library that enables creation of animated GIF files directly in web browsers using web workers for efficient background processing It is indexed under Gif Tools.","source":"https://jnordberg.github.io/gif.js","question":"What is gif.js?","confidence":0.6},{"answer":"gif.js is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://jnordberg.github.io/gif.js","question":"Is gif.js free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to gif.js. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://jnordberg.github.io/gif.js","question":"What platforms does gif.js support?","confidence":0.6},{"answer":"Yes. gif.js is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/jnordberg/gif.js","question":"Is gif.js open source?","confidence":0.95}]` | `[{"answer":"gifski is a command-line tool that converts video files and image sequences to animated GIFs with advanced compression algorithms, featuring thousands of colors per frame and lossy compression to minimize file size. It is indexed under Gif Tools.","source":"https://gif.ski","question":"What is gifski?","confidence":0.6},{"answer":"gifski is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://gif.ski","question":"Is gifski free to use?","confidence":0.6},{"answer":"gifski supports Windows, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://gif.ski","question":"What platforms does gifski support?","confidence":0.6},{"answer":"Yes. gifski can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://gif.ski","question":"Can gifski be self-hosted?","confidence":0.6}]` |
| deployment.options | - | `{"self_hosted":true}` |
| description.long | A JavaScript library that enables creation of animated GIF files directly in web browsers using web workers for efficient background processing | gifski is a command-line tool that converts video files and image sequences to animated GIFs with advanced compression algorithms, featuring thousands of colors per frame and lossy compression to minimize file size. |
| features.capabilities | `{"architecture_model":"browser_web_utility","gpl_or_permissive_oss_license":true,"video_to_gif_conversion_trimming_and_cropping":true,"frame_by_frame_canvas_drawing_and_pixel_editing":true,"lossy_compression_and_frame_rate_reduction_algorithms":true}` | `{"architecture_model":"desktop_local_application","gpl_or_permissive_oss_license":true,"video_to_gif_conversion_trimming_and_cropping":true,"lossy_compression_and_frame_rate_reduction_algorithms":true}` |
| language.primary | JavaScript | Rust |
| license.spdx | MIT | - |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","summary":"Free, open source (MIT)","freeTier":true,"sourceUrl":"https://jnordberg.github.io/gif.js","retrievedAt":"2026-09-01T16:08:26.443Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://gif.ski","retrievedAt":"2026-09-01T14:49:05.310Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | - | 75 |
| release.history | - | `[{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.34.0","date":"2025-07-13T17:19:44Z","type":"stable","version":"1.34.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.33.0","date":"2025-03-17T04:09:20Z","type":"stable","version":"1.33.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.32.0","date":"2024-04-24T13:52:26Z","type":"stable","version":"1.32.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.14.4","date":"2024-02-09T23:21:06Z","type":"stable","version":"1.14.4"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.13.0","date":"2023-10-24T03:03:46Z","type":"stable","version":"1.13.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.11.0","date":"2023-05-01T02:56:06Z","type":"stable","version":"1.11.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.10.3","date":"2023-03-16T19:28:10Z","type":"stable","version":"1.10.3"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.9.0","date":"2023-01-18T05:12:21Z","type":"stable","version":"1.9.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.8.1","date":"2022-12-04T00:44:27Z","type":"stable","version":"1.8.1"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.8.0","date":"2022-11-13T22:38:43Z","type":"stable","version":"1.8.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.7.2","date":"2022-08-30T02:43:14Z","type":"stable","version":"1.7.2"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.7.1","date":"2022-08-15T00:40:09Z","type":"stable","version":"1.7.1"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.7.0","date":"2022-06-11T02:33:20Z","type":"stable","version":"1.7.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.6.1","date":"2022-01-09T20:49:47Z","type":"stable","version":"1.6.1"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.5.0","date":"2021-08-08T16:20:55Z","type":"stable","version":"1.5.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.4.0","date":"2021-02-14T23:33:54Z","type":"stable","version":"1.4.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.3.0","date":"2021-01-26T23:25:37Z","type":"stable","version":"1.3.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.2.0","date":"2020-08-09T23:18:21Z","type":"stable","version":"1.2.0"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/1.1.1","date":"2020-08-09T00:46:16Z","type":"stable","version":"1.1.1"},{"url":"https://github.com/ImageOptim/gifski/releases/tag/0.10.1","date":"2020-01-30T23:36:56Z","type":"stable","version":"0.10.1"}]` |
| security.scorecard | 2.5 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=gif.js&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Gif Tools)

| Capability | gif.js | gifski |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Browser web utility | Desktop local application |
| Screen recording direct to gif capture | - | - |
| Lossy compression and frame rate reduction algorithms | ✓ | ✓ |
| Webp and mp4 modern format export support | - | - |
| Standardized meme text macro library and templates | - | - |
| Video to gif conversion trimming and cropping | ✓ | ✓ |
| AI background removal for transparent stickers | - | - |
| Custom watermark stamping for brand protection | - | - |
| Slack discord and imessage native integration | - | - |
| Frame by frame canvas drawing and pixel editing | ✓ | - |
| SOC2 type ii | - | - |
| Gpl or permissive oss license | ✓ | ✓ |
| Pricing model | - | - |

*Source: vioscaleAI. Generated 2026-09-11T23:39:07.509Z. "-" = undocumented, not absent.*