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Compress Image to 20KB (NTS / Signatures) Compress JPG to 50KB (FPSC / PPSC) Reduce Photo Size to 100KB (NADRA / Visa) iPhone HEIC to JPG Converter Online PDF to High-Res Image Converter A4 & A5 Document Image Resizer 100% Client-Side Privacy • Zero Server Upload Compress Image to 20KB (NTS / Signatures) Compress JPG to 50KB (FPSC / PPSC) Reduce Photo Size to 100KB (NADRA / Visa) iPhone HEIC to JPG Converter Online PDF to High-Res Image Converter A4 & A5 Document Image Resizer 100% Client-Side Privacy • Zero Server Upload
ALL-IN-ONE IMAGE OPTIMIZER • EXACT KB ENGINE

Exact Target KB Image Studio

Compress JPG, PNG, WEBP images to exact required limits (under 20KB, 50KB, 100KB, 200KB), convert iPhone HEIC & PDFs, and apply standard A4/Passport presets with zero quality loss.

Input Formats: JPG/JPEG PNG WEBP 📱 iPhone HEIC 📄 PDF Pages BMP / GIF
Batch Multi-Upload

Drag & Drop Images / PDF here, or Browse

Supports JPG, PNG, WEBP, BMP, GIF, iPhone .HEIC, or .PDF. Press Ctrl + V to paste.

Exact KB Mode Active
Binary Search Optimizer

Guarantees output size never exceeds your specified limit without unnecessary blurriness.

Pick Conversion Type
Manual Quality Level: Auto (Target KB)
Smallest (5%) Balanced (85%) Max (100%)
Background Fill (When converting transparent to JPG):

Live Result & Canvas Inspector

100% Scale

No Image Selected

Upload an image or PDF on the left to see live real-time canvas updates.

Original Size -
Optimized Size -
Dimensions -
Download Result
Portal Guidelines & Specifications

Government, Job Portal & Visa Photo Specifications

Official file sizes, pixel dimensions and DPI requirements for Pakistani and International online job and admission portals. Click any preset to configure settings automatically.

Government Portals

PPSC (Punjab) Max 25 KB • 500x500 px
Apply
FPSC (Federal) Max 30 KB • 300x300 px
Apply
NTS / PTS Portal Max 20 KB • Passport Ratio
Apply
Pak Passport & NADRA 35 x 45 mm (600 DPI)
Apply

Visas & Passports

US Visa Photo (2x2") 600 x 600 px • Max 240 KB
Apply
Schengen Visa (Europe) 35 x 45 mm • White Clean BG
Apply
4x6" Studio Print 1200 x 1800 px (300 DPI)
Apply

Standard Documents

A4 International Page 2480 x 3508 px (300 DPI)
Apply
A5 Booklet Page 1748 x 2480 px (300 DPI)
Apply
US Letter Paper 2550 x 3300 px (300 DPI)
Apply

Exact File Size Guarantee

Say goodbye to trial and error. DigiStash uses a multi-iteration binary search engine that guarantees your picture never exceeds 20KB, 50KB, or 100KB, preventing portal upload rejection.

100% Client-Side Privacy

Your private documents, CNIC cards, signatures, and personal photographs never leave your device. All compression and format conversion happen locally inside your browser RAM.

Instant Multi-File Batch ZIP

Upload multiple images or PDF documents at once. Optimize all files simultaneously in seconds and download everything bundled into a single organized ZIP archive.

Frequently Asked Questions

Everything you need to know about DigiStash Image Studio Pro