Compress Image to 5KB
Image compression can reduce your image size to 5kb without any corruption
JPG, PNG, HEIC
Auto-balance Quality vs Dimension
Done!
Your images are compressed.
Compress Image to 5KB Online & Free
Shrink any photo or scanned document down to exactly 5KB or less (or target 3KB–10KB range) instantly. The Compress Image to 5KB tool is specially designed for users facing the most restrictive file size limits — legacy government exam portals, ancient application systems, digital signature uploads, and ultra-low-bandwidth scenarios where even 20KB is considered too large.
🎯 Pixel-Perfect Target Control
Hit ultra-precise targets like 5KB, 4KB, 3KB, 10KB or any custom value. Advanced iterative algorithm fine-tunes quality, resolution & metadata to land as close as possible without exceeding your strict limit.
🔒 100% Client-Side Processing
Zero server upload — everything happens locally in your browser. Ideal for compressing sensitive documents like Aadhaar-linked photos, digital signatures, RTI uploads, and government exam photographs.
âš¡ Lightning-Fast Batch Mode
Compress dozens of passport-size photos, signatures or thumbnails to 5KB simultaneously. Perfect for bulk preparation for SSC, UPSC, banking exams, and legacy recruitment portals.
Why People Need to Compress Image to 5KB?
Most modern systems accept 50–200KB, but thousands of users still search for "compress image to 5KB" every month because they encounter extremely outdated government, university, and recruitment portals that enforce brutal 5KB–10KB limits — a relic from early 2000s dial-up era infrastructure.
Top real-world situations requiring extreme 5KB compression:
- Legacy Government & Competitive Exam Portals: Very old SSC, state PSC, railway recruitment, or university exam systems still demand scanned photos/signatures under 5–10KB.
- Digital Signature & e-KYC Uploads: Certain banking, GST, MCA, and rural banking portals accept only tiny black-&-white signatures (often 3–8KB).
- Ultra Low-bandwidth Regions: Users in remote areas or slow 2G connections need thumbnails/icons under 5KB for basic functionality.
- Extreme Legacy Job Applications: Some state government and older PSU portals reject anything above 5–10KB even for passport-size photographs.
- Micro-thumbnails & Icons: Creating ultra-light favicons, pixel-art, or SMS/MMS compatible images.
Lossy vs. Extreme vs. Resize-First: Compression Reality Check
| Mode | Compression Ratio | Visual Quality | Best For |
|---|---|---|---|
| Balanced (Recommended) | High (2MB → 50–100KB) | Near-original to human eye | Most modern portals, profile photos |
| Extreme 5KB Mode | Ultra (5MB → 5KB) | Acceptable for verification | Legacy portals, old exam forms, signatures |
| Resize-First + Heavy Compress | Extreme + dimension reduction | Maintains basic clarity | Strongly recommended for 5KB targets |
| Lossless | Very low | 100% identical | Never realistic for 5KB goal |
Expert Guide: How to Compress Photo to 5KB With Minimum Quality Loss
Reducing a typical 2–5MB mobile photo to 5KB is an extreme ~99% reduction. Follow these professional techniques to achieve usable results:
- Resize Aggressively First: Reduce to 120–250 pixels wide (instead of 4000px). This step alone removes 90–95% of file size before heavy compression.
- Use Grayscale for Signatures: Convert signatures to pure black & white — dramatically improves compression ratio.
- JPG Only — Never PNG: PNG is almost impossible to reach 5KB. Always convert to JPG with 1–10% quality.
- Strip All Metadata: Remove EXIF, ICC profiles, and comments — can save 5–15KB instantly.
- Avoid Re-compression Loop: Work only from the original scan/photo — each extra compression round destroys quality faster.
How to Compress Image to 5KB – Step by Step
Frequently Asked Questions
Can I really compress image to exactly 5KB?
Yes — our tool iteratively adjusts quality, resolution & subsampling to get extremely close to 5KB (usually ±0.5–1KB). Perfect for strict legacy upload validation.
Will quality be usable at 5KB?
For verification purposes (exam portals, signatures) — yes, if you resize first. For normal photos — only barely recognizable thumbnails.
Is this safe for Aadhaar / government documents?
Completely — 100% client-side processing. Nothing is sent to any server.