Compress PDF to 100KB Online Free
Compress PDF to under 100KB online for free without losing text clarity. 100% private in-browser WebAssembly compression with zero file uploads.
iEditPDF allows you to compress pdf files to under 100kb without losing text clarity. free & 100% private. 100% locally in your web browser with zero server uploads, no watermarks, and no sign-up.
How to use Compress PDF to 100KB online for free
Simple 4-step walkthrough for fast, secure processing
Upload PDF
Select or drop your file into the Compress PDF to 100KB studio.
Target 100KB Profile
The tool automatically pre-configures the 100KB optimization target.
Verify Size & Clarity
Check the live file size estimator and visual preview to confirm crisp quality.
Download Output
Save your optimized file under 100KB with zero watermarks.
How Compress PDF to 100KB Works: Keep Your Files Safe & Private
See step-by-step how your files are processed. Everything happens right inside your browser — your files are never uploaded to the internet or shared with anyone.
1. Open on Your Device
When you pick a file, your browser opens it directly on your computer or phone. Your document stays on your device and is never uploaded anywhere.
2. Process in Your Browser
Your device does all the work right inside your browser. Because there are no server queues or waiting lines, your files are processed instantly.
3. Save in Private Vault
When you save your work, your file is stored securely inside your browser's private vault on your device. You can view or reopen it anytime, even without internet.
4. Download, Reuse, or Delete
Download your finished file, send it directly to another tool without re-uploading, or click 'Clear Vault' to permanently erase your files anytime with one click.
How You Can Prove Your Files Never Leave Your Device
Open this tool, turn off your Wi-Fi or turn on Airplane Mode, and drop your file. It will still process and let you download the result! This demonstrates that processing happens locally on your device without sending your files to any external server.
We never ask for your email, credit card, or account. Your files are never stored on any remote cloud server. When you finish and close your browser or click "Clear Vault", your documents are permanently erased from your device memory.
Compress PDF to 100KB Technical Details & Browser Support
Key features, device compatibility, and supported file types
Runs Directly on Your Device
Processed by your browser with zero waiting or upload lag.
100% Private (0 Files Uploaded)
Safe for bank statements, IDs, tax forms, and confidential files.
100% Watermark-Free
Clean original documents ready for official submissions.
Drag & drop or paste directly from clipboard (Ctrl+V).
100% Free With No Limits
No account needed, no daily limits, and no paywalls.
Works on All Phones & Computers
iPhone, Android, Windows PC, Mac, iPad, and Chromebook.
Need to Hit an Exact File Size Upload Limit?
Government exam portals (UPSC, SSC, EPFO), court systems, Resume,CV and job forms enforce rigid KB ceilings. Select a calibrated target size solver below to compress without losing readability.
State Exams & Scholarships
Strict ultra-compact ceiling with clear vector typography.
UPSC, Court & EPFO
Strict portal compliance while keeping vector text razor sharp.
EPFO UAN & Passbook
Optimized for Member e-Sewa claim uploads and passbook PDFs.
SSC, IBPS & State PSC
Targeted threshold for national recruitment application forms.
High Courts & PSCs
Target limit for e-filing legal submissions and marksheets.
Job Portals & HR Forms
Ideal for resume attachments, certificates, and multi-page scans.
Email & Universities
Reduces large PDF decks under standard mail attachment limits.
Colleges & Admissions
Stitch 10th, 12th, and degree marksheets into a single file.
Any Custom Limit
Set an exact target size with interactive compression preview.
Government & Sarkari Exam Upload Specifications
Official pixel dimensions, file size ceilings, and format rules for national recruitment portals and KYC verification.
| Portal & Exam | Type | Required Dimensions | File Size Ceiling | Format | Instant Tool |
|---|---|---|---|---|---|
Staff Selection Commission (SSC) SSC CGL / CHSL / MTS / GD | signature | 140 x 60 px (4.0 x 2.0 cm) | 10 KB – 20 KB | JPG / JPEG | Launch |
Staff Selection Commission (SSC) SSC CGL / CHSL / MTS / OTR | photo | 3.5 x 4.5 cm (100 x 120 px) | 20 KB – 50 KB | JPG / JPEG | Launch |
Income Tax / NSDL / UTIITSL PAN Card Application & Correction | photo | 213 x 213 px (2.5 x 2.5 cm) | Under 30 KB (at 300 DPI) | JPEG | Launch |
Income Tax / NSDL / UTIITSL PAN Card Application & Correction | signature | 400 x 200 px (2:1 Ratio) | Under 20 KB (at 600 DPI) | JPEG | Launch |
Union Public Service Commission UPSC CSE / NDA / CDS / OTR | photo | Min 350x350 to Max 1000x1000 px | 20 KB – 300 KB | JPG / JPEG | Launch |
Union Public Service Commission UPSC CSE / NDA / CDS / OTR | signature | Min 350x350 to Max 1000x1000 px | 20 KB – 300 KB | JPG / JPEG | Launch |
Employees' Provident Fund (EPFO) Member e-Sewa Claim & Passbook Upload | Standard A4 / Portrait | Strictly Under 100 KB | Launch | ||
Institute of Banking Personnel Selection IBPS PO / Clerk / RRB / SBI PO | signature | 140 x 60 px (10–20 KB) | 10 KB – 20 KB | JPG / JPEG | Launch |
Institute of Banking Personnel Selection IBPS PO / Clerk / RRB / SBI PO | photo | 200 x 230 px (20–50 KB) | 20 KB – 50 KB | JPG / JPEG | Launch |
National Testing Agency (NTA) NEET UG / PG 2026 | photo | 3.5 x 4.5 cm (350 x 450 px) | 10 KB – 200 KB | JPG / JPEG | Launch |
National Testing Agency (NTA) NEET UG 2026 (Postcard Size) | photo | 4 x 6 Inches (10 x 15 cm) | 10 KB – 200 KB | JPG / JPEG | Launch |
National Testing Agency (NTA) JEE Main & Advanced 2026 | photo | Photo 3.5x4.5cm | Sig 3.5x1.5cm | Photo 10–200KB | Sig 4–30KB | JPG / JPEG | Launch |
Ministry of External Affairs (MEA) Passport Seva Kendra (PSK) Application | photo | 35 x 45 mm (413 x 531 px) | Strictly Under 200 KB (300 DPI) | JPEG | Launch |
IIT GATE GOAPS Portal GATE 2026 Engineering Entrance | photo | 3.5 x 4.5 cm (Aspect Ratio 3.5:4.5) | 5 KB – 200 KB | JPG / JPEG | Launch |
Bihar Public Service Commission (BPSC) BPSC Teacher (TRE) / CCE Civil Services | photo | Passport Photo & 220x100 px Signature | Photo <25 KB | Signature <15 KB | JPG / JPEG | Launch |
State Public Service Commissions UPPSC / MPPSC / MPSC / WBPSC | photo | 3.5 x 4.5 cm (20–50 KB) | Photo 20–50KB | Sig 10–20KB | JPG / JPEG | Launch |
State Public Service Commissions UPPSC / BPSC / MPPSC / MPSC / KPSC | Standard A4 | Under 300 KB / 500 KB | Launch | ||
High Courts & District Courts e-Filing Legal Petitions & Vakalatnama | A4 Portrait (200–300 DPI) | Under 500 KB / 1 MB | Searchable PDF | Launch |
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