Image Compressor to KB - 20KB, 50KB & 100KB Free
Compress JPG, PNG, WebP and HEIC images online without installing software. Reduce image file size to 20KB, 50KB or 100KB for forms, websites and sharing.
Compress Image Online
Upload an image, reduce file size, preview the result and download a smaller JPG, PNG or WebP file. For exact 20KB, 50KB or 100KB limits, use the dedicated Compress Photo to KB page.
Compress Image Now
Quick answer
Need a simple image compressor for JPG, PNG or WebP files? Use this page when you want to reduce image file size for sharing, websites, email, WhatsApp or general document uploads.
This free image compressor reduces file size while keeping the picture clear. If an Indian exam or form portal asks for an exact file size such as 20KB, 50KB or 100KB, use the dedicated Compress Photo to KB page linked below.
Fast image compression for daily online work
Reduce large photos, screenshots and document images without heavy software.
Quality-Based Compression
Reduce JPG, PNG, WebP and HEIC file sizes while keeping important details clear.
Instant In-Browser Processing
Zero waiting. Images are processed directly on your device CPU using high-speed Canvas and WebAssembly algorithms.
100% Private & Serverless
Your passport photos and personal documents never touch our servers. Total privacy and zero data retention guaranteed.
Compress Photo to 20KB for SSC, UPSC & Railway
The universal standard for major central and state recruitment exams across India.
Compress Photo to 20KB Online (SSC, UPSC, Railway)
SSC CGL, CHSL, MTS, Railway RRB, and State PSC application forms enforce a strict 20KB to 50KB file size limit. Compressing to 20KB ensures your photo.
Common Use Cases
- SSC CGL / CHSL / MTS / GD Constable online application
- UPSC Civil Services / NDA / CDS exam portal uploads
- Railway Recruitment Board (RRB ALP, NTPC) forms
- State police & government job registration forms
Clarity Tip
Crop closely around your head and shoulders before compressing so the face remains sharp even at 20KB.
Compress Photo to 50KB for IBPS, SBI & PAN Card
The standard file size cap for banking examinations and national ID applications.
Compress Photo to 50KB Online (IBPS, SBI, PAN Card)
Banking exam portals (IBPS PO, Clerk, SBI) and PAN card applications (NSDL/Protean, UTIITSL) require photos under 50KB. 50KB provides the ideal.
Common Use Cases
- IBPS PO, Clerk, SO & Specialist Officer registrations
- SBI PO, Clerk, and Apprentice online applications
- NSDL / UTIITSL new PAN card and correction applications
- Scholarship portals (NSP) and state e-welfare forms
Clarity Tip
Keep the resolution at 200-300 DPI. A 50KB JPEG retains excellent detail for biometric verification.
Compress Photo to 100KB & 200KB for NTA & Admissions
Designed for NEET, JEE Main, CUET, and university admission portals needing studio clarity.
Compress Photo to 100KB & 200KB (NTA NEET, JEE, College)
National Testing Agency (NEET UG, JEE Main, CUET), college admission portals, and Passport Seva accept photos up to 100KB or 200KB. This allows.
Common Use Cases
- NTA NEET UG & JEE Main passport and postcard photo uploads
- CUET UG/PG university admission registration
- Passport Seva portal online passport renewal
- Voter ID (ECI NVSP) Form 6, 8 new registration
Clarity Tip
If you have a 3MB to 5MB mobile photo, compressing to 100KB reduces file size by over 95% while keeping studio-quality sharpness.
Indian Government & Exam Portal Photo Requirements
Exact file sizes, pixel dimensions, and format rules for India's major online application portals.
| Portal / Exam | Photo Limit | Signature Limit | Required Dimensions | Action |
|---|---|---|---|---|
| SSC (CGL, CHSL, MTS, GD Constable)Face must cover 70-80% of frame. Spectacles and caps not allowed. | 20 KB - 50 KB | 10 KB - 20 KB | 3.5 cm × 4.5 cm (Photo) / 4.0 cm × 2.0 cm (Sig) | Compress → |
| UPSC (Civil Services, NDA, CDS, CAPF)Photo must be taken within 10 days of notification with candidate name and date. | 20 KB - 300 KB | 20 KB - 300 KB | Min 350 × 350 px, Max 1000 × 1000 px | Compress → |
| IBPS & SBI (PO, Clerk, SO, Specialist)Left thumb impression (20-50KB) and hand declaration (50-100KB) also required. | 20 KB - 50 KB | 10 KB - 20 KB | 200 × 230 px (Photo) / 140 × 60 px (Sig) | Compress → |
| Railway RRB (ALP, NTPC, Group D, JE)Clear white or light background. Scanned resolution minimum 100 DPI. | 20 KB - 50 KB | 10 KB - 20 KB | 35 mm × 45 mm (Photo) | Compress → |
| PAN Card (NSDL / Protean & UTIITSL)Signature must be in black or dark blue ink. Supporting docs under 300KB (PDF). | Under 50 KB | Under 50 KB | 200 DPI, 3.5 cm × 2.5 cm (213 × 213 px) | Compress → |
| Voter ID (ECI NVSP / Voter Service Portal)Frontal face pose, light background. Accepted for Form 6, 8 and correction. | Under 200 KB | Under 200 KB | 3.5 cm × 4.5 cm (Passport style) | Compress → |
| Passport Seva (Indian Passport Online)White background only. Plain clothing, no uniforms or religious headgear covering face. | 10 KB - 200 KB | 10 KB - 200 KB | 4.5 cm × 3.5 cm (413 × 531 px at 300 DPI) | Compress → |
| NTA (NEET UG, JEE Main, CUET)80% face coverage showing ears clearly against a pure white background. | 10 KB - 200 KB | 4 KB - 30 KB | Passport photo (10-200KB) & Postcard size 4×6 inch (10-200KB) | Compress → |
| State PSCs (UPPSC, BPSC, MPSC, TNPSC, KPSC)Some state portals reject files above 40KB. 20KB-30KB is safest. | 20 KB - 50 KB | 10 KB - 20 KB | 3.5 cm × 4.5 cm (Photo) / 3.5 cm × 1.5 cm (Sig) | Compress → |
* Requirements verified against latest 2026 examination notifications (SSC, UPSC, IBPS, NTA, ECI). Always verify your individual notification bulletin.
Why do Indian portals enforce strict 20KB & 50KB limits?
Understanding portal bandwidth constraints and how our client-side compression prevents photo rejections.
When recruitment bodies like the Staff Selection Commission (SSC) or Institute of Banking Personnel Selection (IBPS) open application windows, their servers receive hundreds of thousands of form submissions per hour. If every applicant uploaded an uncompressed 4MB camera photo, national servers would suffer massive network congestion and database slowdowns.
By restricting file sizes to 20KB-50KB, government portals can store millions of candidate records efficiently and render admit cards instantly at exam test centers across the country.
How Photocopywala preserves quality at 20KB:
Unlike generic online compressors that apply indiscriminate blur, our browser engine strips heavy EXIF camera metadata (GPS coordinates, camera model tags, preview thumbnails) and performs binary search JPEG discrete cosine transform (DCT) optimization. This keeps high contrast on candidate facial contours, eyes, and ears while meeting the exact byte threshold.
How to compress an image online
Follow these steps to make a large image smaller and easier to upload or share.
Step 1 - Upload your photo or image
Drag & drop your JPG, PNG, WEBP, or iPhone HEIC photo, paste from clipboard (Ctrl+V), or browse from your device.
Step 2 - Select target KB preset
Choose 20 KB (SSC/UPSC), 50 KB (IBPS/PAN), 100 KB (NTA), 200 KB, or type a custom KB/MB target.
Step 3 - Instant in-browser compression
The engine runs a binary-search optimization to shrink file bytes without blurring key details.
Step 4 - Preview and download
Inspect the final file size and visual sharpness, then click download to save your optimized file.
Privacy by design: 100% serverless
We believe your identity photos, signature scans, and certificates should never be stored on third-party cloud servers.
- Zero Server Uploads: All compression calculations run in your client browser memory.
- No Accounts or Logins: You never need to submit email addresses, phone numbers, or passwords.
- No Data Retention: When you close your browser tab, all temporary image data is permanently discarded.
When to use image compressor vs photo-to-KB compressor
Choose the right page based on what your task needs.
Crop Before Compressing
Always crop excess background and frame your head/shoulders first. Compressing an uncropped photo wastes valuable bytes on background walls.
Maintain Aspect Ratio
Standard passport photos require a 3.5 × 4.5 cm (7:9 ratio). Do not stretch or squeeze the image when adjusting dimensions.
Use JPEG Format
Government portals universally demand .jpg or .jpeg files. Our compressor automatically outputs standardized JPEGs compatible everywhere.
Use Exact KB Page for Forms
If a portal asks for an exact limit like 20KB, 50KB or 100KB, use the Compress Photo to KB page instead of guessing quality settings.
Step-by-step guides for portal image preparation
Detailed tutorials to help you meet exact exam and document upload rules.
How to Compress Photo to 20KB, 50KB or 100KB →
Complete step-by-step guide to reducing image size for online government forms.
Official GuidePassport Size Photo KB Limit Guide →
Everything you need to know about photo file size caps on Indian recruitment portals.
Official GuideHow to Resize Signature to 10KB-20KB →
Official dimensions and KB compression tips for SSC, IBPS, and UPSC signatures.
Official GuideBest Free Photo & Signature Resizer Tools →
Comparison of top free tools for government exam application forms in India.
Frequently Asked Questions
Everything you need to know about photo compression, portal limits, and image quality.
What is the difference between 'Max Limit' and 'Exact Match' compression?
'Max Limit' ensures your compressed photo is strictly below your chosen size (e.g. under 20KB, 50KB, or 1MB) so online forms and government portals never reject your upload. 'Exact Match' uses precision quantization and metadata padding to hit as close to your exact target size as possible.
Can I perform lossless compression without losing any image quality?
Yes. Choose the 'Lossless (100% Quality)' mode. The tool strips heavy camera EXIF and GPS metadata and optimizes encoding structures without altering or degrading any pixel data.
How do I compress a photo to 20KB for government exam forms?
Upload your photo, select the '20 KB' preset (or type 20 in custom size), and click 'Compress Photo'. The engine runs in-browser binary search compression to ensure your final image is strictly under 20KB while preserving sharp facial details for SSC, UPSC, and Railway forms.
Can I upload multiple images (up to 50 photos) or a .ZIP archive?
Yes. Drop up to 50 images or an existing .ZIP archive into the upload box. The tool unpacks archives, compresses all photos in parallel in your browser memory, and lets you download all compressed files in a single .ZIP with one click.
Can I set custom image compression targets in both MB and KB?
Yes. The tool features an instant KB / MB unit switcher. You can choose pre-configured presets (20KB, 50KB, 100KB, 200KB, 500KB, 1MB, 2MB) or type any custom target size like 1.5 MB, 2 MB, or 45 KB.
Why do Indian government portals (SSC, IBPS, UPSC) have 20KB or 50KB limits?
Indian recruitment portals process millions of candidate applications during peak windows. Restricting files to 20KB-50KB prevents server crashes, reduces national database storage costs, and ensures admit cards load instantly at examination centers.
Will compressing my photo reduce facial clarity or cause form rejection?
No, provided you crop excess background before compressing. Our smart compression algorithm optimizes JPEG discrete cosine transform (DCT) tables, retaining high contrast around facial features, eyes, and contours while stripping redundant metadata.
Is this Image Compressor free to use?
Yes, 100% free with no hidden limits, no daily quotas, no watermarks, and no registration required.
Are my photos uploaded to your server?
Never. All compression and image manipulation runs locally inside your browser using the HTML5 Canvas API and WebAssembly. Your photos, signatures, and sensitive identity documents never leave your device.
Which image formats are supported for upload and download?
You can upload JPG, JPEG, PNG, WEBP, and iPhone HEIC/HEIF files. You can export in JPG (universal portal standard), WebP (modern web standard), or PNG (lossless transparent).
Can I compress signature images and thumb impressions?
Yes. For signature images (commonly required between 10KB and 20KB for SSC and IBPS) and left thumb impressions (20KB-50KB), select the 10KB or 20KB preset for an instant, compliant export.
What is the difference between lossy compression, lossless compression, and resizing?
Lossy compression discards imperceptible color variations to achieve massive file size reductions (e.g. 90%+). Lossless compression removes metadata and optimizes data structures without losing any visual data. Resizing physically changes pixel dimensions (width/height).
How can I convert mobile phone photos (3MB-10MB) into 20KB or 50KB?
Mobile cameras capture huge files with extra resolution and EXIF data. Upload the photo to our tool, select 20KB or 50KB, and the tool strips metadata, downscales resolution if needed, and hits your exact target in under a second.
How do I preserve transparent backgrounds in PNG or WebP images?
Choose 'PNG' or 'WebP' as your output format. The engine maintains full alpha channel transparency and does not apply a white background, making it ideal for logos, icons, and signatures.
Does this tool automatically remove EXIF camera metadata and GPS location tags?
Yes. Every image processed through the tool is re-encoded cleanly through client-side Canvas memory, stripping GPS location, camera device serial numbers, and embedded thumbnails to protect privacy and save 10KB-30KB.
What should I do if the portal rejects my compressed photo?
Check whether the portal enforces a minimum file size (some portals reject files below 10KB or 20KB), demands exact pixel dimensions (e.g. 200 × 230 px), or requires a plain white background. Use our 'Resize Image by Pixels' tool if exact pixel dimensions are required.
How do I compress photo to 50KB for PAN card online application?
For NSDL (Protean) or UTIITSL PAN applications, choose the 50KB preset. The output file will be formatted as a compliant JPEG under 50KB, ready for direct upload.
Can I compress iPhone HEIC / HEIF photos into standard JPG or WebP?
Yes. The tool automatically detects Apple HEIC/HEIF files from iPhone camera rolls and converts them into standard JPEG or WebP in your browser memory before compressing.
Can I compress photos on mobile (Android / iPhone)?
Yes, the tool is fully responsive and touch-optimized for mobile devices. You can pick photos directly from your phone gallery, camera roll, or file manager.
What is the best format for website images (WebP vs JPG vs PNG)?
For websites, WebP is the recommended modern format as it delivers 25-35% smaller file sizes than JPEG at the same visual quality. For government forms, JPG is strictly required. For logos and graphics requiring transparency, use PNG or WebP.
Complete Document Submission
Need help preparing this file?
If your photo, signature, PDF, or document is still not accepted on a portal, contact us. We can help prepare the final file online.
We do not ask for OTP, passwords, Aadhaar login, MPOnline login or any government portal credentials.