
Convert BMP to AVIF — Smallest High-Quality Images
Convert BMP to AVIF online for very small, high-quality web images. No software to install. Preview one free or batch-convert with Premium.
Drop your BMP file or click to browse
Why convert BMP to AVIF?
- AVIF files are usually smaller than BMP for the same picture, so pages load faster and uploads finish sooner.
- AVIF is made for the smallest high-quality images for websites and apps.
What to expect when converting BMP to AVIF
- AVIF uses lossy compression by default; raise the quality or switch on lossless in Settings for a closer copy.
- Your original BMP file isn’t changed: you download a new AVIF copy.
BMP vs AVIF
| Funzionalità | BMP | AVIF |
|---|---|---|
| Nome completo | Windows Bitmap | AV1 Image File Format |
| Origin | Created by Microsoft for Windows | Released by the Alliance for Open Media in 2019 |
| Compressione | Uncompressed | Lossy or lossless |
| Transparency | No (in the 24-bit BMPs most apps read) | Yes — smooth, partial transparency |
| Animazione | NO | Sì |
| Colore | 16.7 million colours (24-bit) | 8, 10 or 12 bits per channel, including HDR |
| Where it opens | Windows and macOS apps, older software and browsers | Current Chrome, Edge, Firefox and Safari 16+; fewer editing apps |
| Meglio per | older Windows programs, embedded devices and tools that need raw pixels | the smallest high-quality images for websites and apps |
| Main drawback | very large files and no transparency | it is slow to create and many editing apps and older devices can’t open it |
In short: choose BMP for older Windows programs, embedded devices and tools that need raw pixels; choose AVIF for the smallest high-quality images for websites and apps.
Frequently asked questions
- How do I convert BMP to AVIF?
- Upload your BMP file above. It is converted to AVIF automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.
- Does converting BMP to AVIF lose quality?
- AVIF is lossy by default, so some fine detail is discarded to make the file smaller. Raise the quality or switch on lossless in Settings for a closer copy.
- BMP or AVIF: which should I use?
- Use BMP for older Windows programs, embedded devices and tools that need raw pixels. Use AVIF for the smallest high-quality images for websites and apps. Keep in mind the main drawback of AVIF: it is slow to create and many editing apps and older devices can’t open it.
- What is a BMP file?
- BMP stores pixels with no compression at all. Files are large, but very old or simple software that can’t read modern formats can usually read a BMP.
- Is the BMP to AVIF converter free?
- Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.
Cosa puoi fare con BMP to AVIF
Esamina le funzionalità principali prima di iniziare.
- Convert BMP files to AVIF online
- Choose AVIF quality or switch to lossless
- Switch to any other output format in Settings
- Batch-convert many BMP files into one ZIP
- Preview the result before you download
Riferimento alle impostazioni
5 impostazioni
Controlli disponibili per BMP to AVIF.
Impostazioni
- Formato di outputMenu a discesa
- Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.Opzioni: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
- QualitàCursoreIntervallo: 20–100 · Predefinito: 90
- For JPG, WebP, AVIF and image-to-PDF output: higher keeps more detail but makes a bigger file; 60–80 suits most photos. Documents (Publisher, XPS, EPS…) become PDFs with every page and sharp text, with no quality setting.
- Modalità senza perditaAttivo / Disattivo
- For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
- Riempimento sfondoSelettore colore
- For JPG, BMP and image-to-PDF output, which can’t store transparency: the colour that fills transparent areas (white by default).
Modalità
- File singolo / In bloccoMenu a discesa
- Elabora un file o un batch con impostazioni condivise. I risultati batch vengono scaricati come un unico ZIP.Opzioni: File singoloIn blocco
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Ogni foto attraversa la barra senza modifiche e ne esce dall'altro lato già completata.


























