Resize your signature to exactly 20KB online for forms, applications, and portals. Upload JPG or PNG signatures, adjust dimensions if needed, and download instantly.
Processed in your browser. Your file is not uploaded to any server.
Many online forms and government portals require signature images below 20KB — especially for SSC, UPSC, railway, and university applications. This free tool compresses and resizes your signature to exactly 20KB while keeping it clear and readable for form uploads.
All processing happens directly in your browser. Supported formats: JPG, JPEG, PNG, and WebP. No signup or software installation required.
Click to select or drag and drop your signature file. JPG, PNG, and WebP files are supported. The upload works on desktop and mobile browsers.
Tap the 20 preset in the Configure step or type 20 in the KB field. You can also adjust the width and height in pixels if your form requires specific dimensions like 140×60 px.
Before downloading, verify the resized signature — check the file size, dimensions, and image clarity to make sure it meets your portal's requirements.
Download the optimized file instantly and upload it to your SSC, UPSC, railway, or other application portal.
The tool uses a precision algorithm to hit the exact target file size. It works best with JPG and WebP formats for lossy compression to a specific KB.
Many portals require specific width and height — like 140×60 px for government forms. You can enter exact values or pick from common presets before resizing.
Your signature file never leaves your device. All resizing and compression happens inside your browser using HTML Canvas — no server upload.
Upload and resize signatures directly on your Android phone, iPhone, or tablet. No app installation required.
Upload your signature image, tap the 20 preset in the Configure step, optionally set width and height in pixels, then click 'Preview & resize'. The tool compresses your file to fit within 20KB and lets you download it instantly.
Yes. The tool supports JPG, JPEG, PNG, and WebP image formats for both upload and download. JPG or WebP give the most accurate results when targeting an exact KB size.
Yes. In the Configure step, enter custom width and height in pixels or pick a preset like 140×60 or 280×80. The tool resizes your signature to exactly those dimensions before compressing to 20KB.
Yes. SignatureResizer is completely free. No account, registration, or payment is required.
No. All processing happens entirely in your browser using HTML Canvas. Your files are never sent to any server, keeping them private and secure.
Yes. The signature resizer is mobile-friendly and works on Android phones, iPhones, tablets, and all modern desktop browsers without any app install.
Yes. The tool is commonly used for resizing signatures for SSC, UPSC, railway, university, and other government application portals that require files below 20KB at specific dimensions.
