How to Convert BMP to JP2 — Quick & Free
Fast, instant BMP to JPEG 2000 conversion. No signup required. Just drop your .bmp file and get .jp2 in seconds.
Batch Settings
Color depth reduction: 32-bit → 16-bit
BMP stores up to 32 bits per channel, but JP2 supports only 16 bits. You may notice banding in smooth gradients (like sky or skin tones) where subtle color transitions are lost.
Dans l'univers foisonnant de l'imagerie numérique, la conversion de formats est une tâche courante, parfois incontournable. Le BMP, avec sa simplicité et sa fidélité pixel par pixel, est un classique indémodable, mais qui pèche souvent par son embonpoint. Face à lui, le JP2 (JPEG 2000) se présente comme une alternative moderne, offrant une compression supérieure sans sacrifier la qualité, et intégrant des fonctionnalités avancées comme la transparence ou la gestion des métadonnées. Que vous soyez un professionnel de l'archivage, un graphiste soucieux d'optimiser ses flux de travail, ou simplement désireux de réduire la taille de vos fichiers sans compromis visuel, passer du BMP au JP2 peut s'avérer être un choix judicieux. Notre outil est conçu pour faciliter cette transition, en toute simplicité et efficacité, afin de vous permettre de tirer le meilleur parti de vos images.
- Archivage de documents d'état civil numérisés
- Publication d'œuvres scientifiques illustrées
- Optimisation d'images pour le web design
En France et en Belgique, l'administration publique privilégie parfois le JPEG 2000 pour l'archivage à long terme en raison de sa robustesse et de ses capacités de compression sans perte, ce qui en fait un format pertinent pour la numérisation de fonds documentaires importants.
About BMP to JPEG 2000 Conversion
Short answer: yes, you can convert BMP to JP2 online for free, and quality is well preserved with the right settings. Just upload your .bmp file to CocoConvert, pick JP2 as the output, and click Convert. The whole process takes seconds.
Now for the details. BMP is an uncompressed raster format that preserves every pixel but produces very large files. JP2 (JPEG 2000) offers wavelet-based compression with better quality than JPEG at the same bit rate. Converting between these two formats lets you convert between formats quickly.
Full Name: BMP uses Bitmap Image, while JP2 uses JPEG 2000. Compression: BMP uses None (uncompressed), while JP2 uses Lossy & Lossless. Transparency: BMP uses No, while JP2 uses Yes.
Your BMP file is decoded and re-encoded as JP2. Converting BMP to JP2 maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert BMP to JPEG 2000
- 1
1. Upload BMP
Drop your .bmp file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select JP2
Choose .jp2 from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .jp2 file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert BMP to JPEG 2000
Your BMP image is decoded into raw pixel data, then re-encoded as JP2.
Your BMP file is decoded — the compressed/stored pixel data is expanded into raw RGB pixels
Pixels are re-encoded using JPEG 2000's lossless compression
Metadata (EXIF, ICC profiles) is transferred where JP2 supports it
The JP2 file is saved and ready for download
BMP vs JPEG 2000 — Detailed Comparison
| Feature | .BMP | .JP2 |
|---|---|---|
| Full Name | Bitmap Image | JPEG 2000 |
| Compression | None (uncompressed) | Lossy & Lossless |
| Transparency | No | Yes |
| Animation | No | No |
| Color Depth | up to 32 bits/channel | up to 16 bits/channel |
| HDR Support | No | No |
| Typical File Size | 10–50 MB per photo (uncompressed) | 1–5 MB per photo |
| Platform Support | Universal | Limited |
| Browser Support | Limited | Limited |
| Year Created | 1986 | 2000 |
| Open Standard | No | Yes |
Should You Convert BMP to JPEG 2000?
When to Convert
- ✓When you specifically need a JP2 file for your workflow
Frequently Asked Questions
Is BMP to JP2 conversion free?
Yes. CocoConvert offers free BMP to JP2 conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is BMP to JP2 conversion?
Most files convert in 2–10 seconds depending on size. Large image files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded BMP file and the converted JP2 file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting BMP to JP2 lose quality?
Converting BMP to JP2 maintains high quality with CocoConvert's optimised encoder settings.
Can I convert JP2 back to BMP?
Yes, CocoConvert supports JP2 to BMP conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
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