Will my signature still be readable at 10 KB?

Yes, if you start from a high-contrast black-ink scan. We keep the pixel dimensions modest so the strokes stay solid.

Is my signature uploaded to a server?

No. ShantiTools processes the image entirely inside your browser — the file never leaves your device.

Signature resizer

The tightest limit you will meet. We compress carefully so the signature stays legible at 10 KB.

File size

6–10 KB

Dimensions

240×120 px

Format

JPEG

240×120px · 6–10 KB

Choose signatureTap to pick from your gallery or cameraJPG or PNG · Runs on your device

🔒 Image processed on your device · Check your current form instructions

Upload a scan or photo of your signature (JPG or PNG, any size).
We centre-crop the image to 240×120 px and tune JPEG quality within 10 KB. Check the result is at least 6 KB; this minimum is not guaranteed.
Download and upload it after checking your current form requirements.

Everything runs on your device — your signature is never sent to a server.

•At 10 KB, contrast matters more than resolution. Scan in black and white mode if your scanner supports it.
•Trim white space aggressively — at this size every kilobyte counts.

Will my signature still be readable at 10 KB?: Yes, if you start from a high-contrast black-ink scan. We keep the pixel dimensions modest so the strokes stay solid.
Is my signature uploaded to a server?: No. ShantiTools processes the image entirely inside your browser — the file never leaves your device.

•फ़ॉर्म के लिए ज़रूरी साइज़: 6–10 KB, 240×120 पिक्सेल, JPEG फ़ॉर्मेट।
•सफ़ेद कागज़ पर काले या गहरे नीले पेन से हस्ताक्षर करें और अच्छी रोशनी में फ़ोटो लें या स्कैन करें।
•फ़ाइल चुनने के बाद उसका साइज़, पिक्सेल और प्रीव्यू फ़ॉर्म के नियमों से मिलाएँ।
•फ़ाइल आपके फ़ोन में ही बनती है, किसी सर्वर पर अपलोड नहीं होती। यह टूल पूरी तरह मुफ़्त है।