How do I resize an image to exact KB?

Open Resize Image to Exact KB, upload your photo or signature, enter the target size such as 20KB, 50KB, or 100KB, and download the optimized file.

Can I resize SSC signatures online?

Yes. PDFRoot provides an SSC Signature Resize Tool for candidates who need JPG/JPEG signatures sized between 10KB and 20KB.

Can I resize signatures for RRB railway forms?

Yes. The RRB Signature Resize tool helps prepare JPG/JPEG signatures for railway recruitment applications.

Does PDFRoot include a passport photo maker?

Yes. Passport Photo Maker helps prepare official-style photos for forms, admissions, applications, and document uploads.

How do I compress a PDF online?

Choose Compress PDF, upload your document, let PDFRoot reduce the file size, and download the compressed PDF for email or portal upload.

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Resize Image to Exact KB

SSC Signature Resize Tool

RRB Signature Resize

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Helpful guides for PDFs, images, and online forms

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Government FormsSeptember 4, 2026

How the OJAS Photo Resize Tool Was Created to Solve a Real Student Problem

Learn why PDFRoot created the OJAS Photo Resize Tool after discovering that many Gujarat government job candidates struggle to resize photos and signatures for OJAS recruitment forms.

Image Tools25 July 2026

PDFRoot Crop Image Tool: A Smart Solution for Online Form Photos and Documents

Crop multiple photos, signatures and documents from one A4 page. Set dimensions, KB, rotate, flip, rename and save images with PDFRoot.

Image ToolsJuly 2026

Resize Image to Exact KB – A Useful Tool for Students and Job Applicants

Resize JPG, JPEG or PNG images to 20 KB, 50 KB, 100 KB, 200 KB or a custom size for government, exam and job application forms.

Why PDFRoot

Why choose PDFRoot

Fast Processing

Optimized engines convert and compress files in seconds, even on slow connections.

Privacy First

Files are processed securely over SSL and automatically deleted within one hour.

Mobile Friendly

Every tool is built mobile-first, so it works perfectly from any phone or tablet.

Government Form Ready

Exact KB sizing and photo presets tuned for SSC, RRB, UPSC, IBPS and more.

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Secure Processing

Encrypted SSL on every upload

Government-Form Ready

Exact KB sizing built in

Works on Mobile

Built mobile-first for any device

FAQ

Frequently asked questions

Yes. PDFRoot includes PDF conversion tools such as PDF to Word, PDF to Excel, PDF to PowerPoint, Word to PDF, JPG to PDF, and PDF to JPG.