How do I make my signature less than 50 KB?

Upload it above. We resize to 400×200 px and compress it to stay under 50 KB.

Is my signature uploaded to a server?

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

Signature resizer

A more forgiving limit — 50 KB lets you keep a crisper scan. Upload and download in one step.

File size

5–50 KB

Dimensions

400×200 px

Format

JPEG

400×200px · 5–50 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 400×200 px and tune JPEG quality within 50 KB. Check the result is at least 5 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.

•With a 50 KB budget you can scan at higher resolution — 400×200 px keeps the strokes smooth.
•Still crop out empty margins; they add file size without adding information.

How do I make my signature less than 50 KB?: Upload it above. We resize to 400×200 px and compress it to stay under 50 KB.
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: 5–50 KB, 400×200 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।