ToolBox Image — किसी इमेज को बिल्कुल 100 KB (या किसी भी लक्ष्य आकार) में कैसे कंप्रेस करें

Need to squeeze an image under 100 KB for a form upload? Hit exactly 250 KB for a job application system? Exact file size compression is one of the most requested features in any image tool.

Why exact file size matters

Most platforms don't just recommend staying under a limit — they hard-reject files that exceed it. A 101 KB file gets blocked by a 100 KB limit just as firmly as a 10 MB file.

How target-size mode works

The compressor takes a different approach than most tools. Instead of asking you to pick a quality number and hoping the file size is acceptable, it works backwards:

1. You enter the maximum file size in KB
2. The compressor starts at the highest quality setting and compresses the image
3. If the result is still above the target, it lowers quality and tries again
4. Once the result fits under the target, it runs a fine-tuning pass to maximise quality while staying under the limit

Real example: compressing to 100 KB

Take a 12 MB photo from a modern smartphone. To fit under 100 KB, the compressor needs to reduce the file by a factor of 120 — a 99.2% reduction. The compressor automatically switches to AVIF or WebP based on what produces the best result.

Batch compressing to a fixed size

Target-size mode works with batch processing too. Drop 50 images into the compressor, set the target to 500 KB, and every file comes out under that limit.