Signature Resizer
(10KB - 20KB) & Background Cleaner

For SSC exams (CGL, CHSL, MTS, GD, CPO) and Banking exams (IBPS, SBI), signature scans must be strictly between 10 KB and 20 KB in JPEG/JPG format. The mandatory pixel dimensions are 140 x 60 pixels (approximately 4.0 cm width x 2.0 cm height or 3.5 cm x 1.5 cm) signed on clean white paper with black or dark blue ink.

The India Post GDS (Gramin Dak Sevak) recruitment portal mandates a rectangular landscape signature with a 5:2 aspect ratio (such as 200 x 80 pixels or 250 x 100 pixels, approx 50 mm x 20 mm). The file size must be strictly between 10 KB and 20 KB in JPG/JPEG format.

Select the '6x2 cm Signature' preset or switch unit to Centimeters (cm). At standard 200 DPI, 6.0 cm x 2.0 cm equals 472 x 157 pixels; at 300 DPI, it equals 708 x 236 pixels. Our tool automatically formats your file within 10 KB–20 KB or 20 KB–50 KB as required by State PSCs and High Court portals.

Official exam recruitment notices (including SSC, RRB, UPSC, and IBPS) explicitly state that signatures in CAPITAL BLOCK LETTERS will be automatically treated as invalid and lead to candidate disqualification. Signatures must be written in your natural, continuous running handwriting.

A Full Signature contains your complete first and last name in natural cursive handwriting and is strictly required on government exam applications and admit cards. A Short Signature (or initials) is used only for informal document acknowledgments and will cause form rejection if submitted to SSC or RRB.

Phone cameras and home scanners often introduce yellowish lighting, grayish shadows, or background paper texture. Our tool analyzes pixel luminance in the client browser, brightening any off-white backdrop (luminance > 165) into crisp, pure 100% white (#FFFFFF) while intensifying pen strokes into dark, legible ink.

Our tool executes multi-pass adaptive JPEG quantization on download. It balances image contrast and metadata stripping to ensure the resulting file size sits exactly inside your selected target boundary (e.g. 15 KB to 19 KB) while preserving razor-sharp handwriting edges.

Choose our 'Email & E-Sign' preset (300 x 100 px). It formats the signature block with clean contrast and exports transparent PNG or crisp white JPG ready to insert into Microsoft Outlook signatures, Apple Mail, Adobe Acrobat Sign, or DocuSign.

For UPSC OTR and exam applications, signatures must be in JPG format with dimensions of 350 x 350 pixels (or between 350x350 and 1000x1000 pixels) and a file size between 20 KB and 300 KB signed with a black ballpoint pen on white paper.

1. Apne phone se unruled plain white paper par black pen se sign karke photo lein. 2. Result91 Signature Resizer par image upload karein. 3. Apna exam preset (jaise SSC 140x60 ya GDS 5:2 landscape) select karein. 4. 'White Background Cleaner' on karein jisse shadow hat jaye. 5. 'Download Signature' par click karein aur 10KB–20KB JPG file download karein.

No, never. All signature cropping, contrast enhancement, background whitening, and compression run 100% locally inside your web browser using HTML5 Canvas APIs. Zero image or personal data is transmitted over the internet or saved to our servers.

For online PAN Card applications (Form 49A/49AA), the signature must be 4.5 cm x 2.0 cm (approx 400 x 200 pixels or 213 x 100 pixels) and strictly between 10 KB and 20 KB in JPEG format signed in black ink.