# LumiBear Studio

> Windows apps, small games and free browser tools by LumiBear Studio. The file tools (PDF, images, video, audio, GIF) run in the browser: files are never uploaded.

## Use the tools from an AI agent

- [Guide and skill download](https://lumibear.dev/ai/): a skill + runner that lets agents use every tool on local files
- [Tools and options (JSON)](https://lumibear.dev/ai/tools.json): always the current list

## Tools

- [Video to GIF](https://lumibear.dev/tools/gif-maker/): Turn a video clip or a GIF into a GIF that fits a size limit.
- [GIF compressor](https://lumibear.dev/tools/gif-compress/): Shrink a GIF to fit a size limit (a video works too).
- [Discord emoji maker](https://lumibear.dev/tools/discord-emoji-maker/): Square animated emoji GIF for Discord (under 256 KB).
- [Slack emoji maker](https://lumibear.dev/tools/slack-emoji-maker/): Square animated emoji GIF for Slack (under 128 KB, at most 50 frames).
- [Twitch emote maker](https://lumibear.dev/tools/twitch-emote-maker/): Square animated emote GIF for Twitch (112 or 224 px, up to 1 MB, at most 60 frames).
- [Image compressor](https://lumibear.dev/tools/image-compress/): Make photos smaller (JPG, PNG, WebP, HEIC), many at once.
- [HEIC to JPG](https://lumibear.dev/tools/heic-to-jpg/): Convert iPhone HEIC photos to JPG, many at once.
- [Video compressor](https://lumibear.dev/tools/video-compress/): Make a video smaller to fit an upload limit.
- [Video trimmer](https://lumibear.dev/tools/video-trim/): Cut a video down to the part you want.
- [MOV to MP4](https://lumibear.dev/tools/mov-to-mp4/): Convert MOV, MKV or WebM to MP4. H.264 is copied as it is; iPhone HEVC is re-encoded to H.264 so it plays everywhere.
- [MP4 to MP3](https://lumibear.dev/tools/mp4-to-mp3/): Save the sound of a video (or an audio file) as MP3, M4A or WAV.
- [Discord video compressor](https://lumibear.dev/tools/discord-video-compressor/): Compress a video to fit Discord's upload limit (20 MB without Nitro).
- [Compress PDF](https://lumibear.dev/tools/pdf-compress/): Make a PDF smaller.
- [PDF to JPG](https://lumibear.dev/tools/pdf-to-jpg/): Save PDF pages as JPG or PNG images.
- [Merge PDF](https://lumibear.dev/tools/pdf-merge/): Merge PDFs into one, in the order the files are given.
- [Split PDF](https://lumibear.dev/tools/pdf-split/): Keep or delete chosen pages of a PDF, or split it into parts.
- [Images to PDF](https://lumibear.dev/tools/jpg-to-pdf/): Put photos into one PDF, one photo per page, in the order the files are given.