Compress BMP Images for Telegram
Telegram compresses photos by default but allows sending images as files to preserve quality. Pre-optimizing your images gives you full control over final quality. Uncompressed Windows bitmap format with very large file sizes. Not suitable for web use without compression. Use ImageSmith to compress your BMP images to the ideal file size for Telegram — target under 10,000KB for optimal performance. Processing is fully browser-based — no server uploads, no privacy risk.
Recommended format
JPEG
Max file size
10,000KB
Dimensions
1280×720 or smaller for instant photo delivery
✓Send images as "File" to bypass Telegram compression and preserve quality
✓Photos sent as images are compressed to max 1280px on the longer side
✓Use WebP for stickers — Telegram supports WebP with transparency natively
✓Keep photos under 10MB for smooth, instant delivery