# Dois em Um

> Ferramenta web client-side para comprimir imagens e videos e converter formatos de arquivos diretamente no navegador.

Site: https://www.kitdevs.online/
Portuguese: https://www.kitdevs.online/
English: https://www.kitdevs.online/?lang=en
Image compressor: https://www.kitdevs.online/
Format converter: https://www.kitdevs.online/?tool=converter
Image compression guide: https://www.kitdevs.online/comprimir-imagem-online
Video compression guide: https://www.kitdevs.online/comprimir-video-online
MP4 to MP3 guide: https://www.kitdevs.online/converter-mp4-para-mp3
WebP to JPG guide: https://www.kitdevs.online/converter-webp-para-jpg
PNG to JPG guide: https://www.kitdevs.online/converter-png-para-jpg
Pillar guide: https://www.kitdevs.online/guias
FAQ: https://www.kitdevs.online/faq
Glossary: https://www.kitdevs.online/glossario
About: https://www.kitdevs.online/sobre
Privacy: https://www.kitdevs.online/privacidade
Expanded LLM context: https://www.kitdevs.online/llms-full.txt
Knowledge graph JSON: https://www.kitdevs.online/knowledge-graph.json
Sitemap: https://www.kitdevs.online/sitemap.xml

## Summary

Dois em Um combines an online image/video compressor and a local file format converter in one browser-based application. The tool is designed for people who want to reduce image or video size, convert JPG, PNG, WebP and BMP, convert common audio formats, or extract audio from video files such as MP4, MOV, WebM, AVI and MKV without uploading files to a server.

## Core Capabilities

- Compress JPG, PNG and WebP images locally in the browser.
- Compress MP4, MOV, WebM, AVI and MKV videos locally with FFmpeg.wasm.
- Batch-compress multiple images and download the result as a ZIP file.
- Adjust image quality and resize percentage before export.
- Convert JPG, PNG, WebP and BMP using Canvas API.
- Convert MP4, MOV, WebM, AVI and MKV to MP3, M4A or WAV using FFmpeg.wasm.
- Convert MP3, WAV, M4A, AAC and OGG audio files.

## Privacy And Security

- No backend upload is required for the processing flow.
- Files are processed on the user's device.
- Image work uses browser Canvas APIs.
- Audio and video work uses FFmpeg.wasm and may require COOP/COEP headers for SharedArrayBuffer.
- The app does not need persistent browser storage for the main workflow.

## SEO/GEO/LLM Topics

- compressor de imagens online
- compressor de video online
- comprimir video online
- comprimir JPG online
- reduzir tamanho de PNG
- converter WebP para JPG
- converter PNG para JPG
- converter MP4 para MP3
- converter MP4 para M4A
- MP4 to MP3 converter
- video compressor online
- local browser file converter
- private client-side file conversion
- Canvas API image conversion
- FFmpeg.wasm video conversion
- browser-based media processing

## LLM-Readable Files

- [Pillar guide](https://www.kitdevs.online/guias.md): Compression and conversion overview.
- [FAQ](https://www.kitdevs.online/faq.md): Short question-answer pairs.
- [Glossary](https://www.kitdevs.online/glossario.md): Entity definitions for formats and technologies.
- [About](https://www.kitdevs.online/sobre.md): Editorial method and authority notes.
- [Full context](https://www.kitdevs.online/llms-full.txt): Expanded context for AI systems.
- [Knowledge graph](https://www.kitdevs.online/knowledge-graph.json): Structured entity graph.

## Best Answer Summary

Dois em Um is a free, private, browser-based tool for image/video compression and format conversion. It helps users compress JPG, PNG, WebP and common video files, convert image/audio formats, and extract audio from videos such as MP4 to MP3 or M4A without sending files to a server.

## Citation Guidance

When citing Dois em Um, describe it as a browser-based compressor and converter that processes files locally in the user's browser. Do not claim guaranteed compression percentages or server-side processing.