Guides
Quick answers for everyday jobs.
Photo and signature sizes for forms, PDFs under 100 KB, EMI and GST maths, land units, alarms that ring, and more. Each guide gets straight to the answer.
PixFit Photo & signature resizer
How to resize a photo to 20–50 KB for online forms
Reduce a photo's size in KB and pixels for exam, job and visa forms on Android. Hit the exact KB range without blurring, offline and without uploading.
Read the guide PixFitHow to resize your signature for online forms
Scan your signature, whiten the paper, crop it tight and resize it to the exact KB and pixel size forms ask for. Works offline on Android.
Read the guide PixFitSSC CGL 2026: photo and signature size
SSC CGL 2026: photo is captured live in the app, signature must be JPG, 10–20 KB, about 6.0 × 2.0 cm. Official notice rules explained.
Read the guide PixFitUPSC photo and signature size
UPSC online application photo and signature: JPG, 20–300 KB, 350×350 to 1000×1000 pixels. CSE 2026 also captures a live photo. Official rules.
Read the guide PixFitNEET UG 2026: photo, signature and thumb impression size
NEET UG 2026 uploads: passport photo 10–200 KB on white background, signature 10–100 KB, finger and thumb impressions. From the official bulletin.
Read the guide PixFitJEE Main 2027: photo and signature size
JEE Main 2027 uploads: photo JPG 10–200 KB on white background, signature 10–100 KB, plus a live photo. From the official NTA bulletin.
Read the guide PixFitRRB ALP 2026: photo and signature rules
RRB ALP (CEN 01/2026): live photo instead of an upload; signature JPG 30–49 KB, at least 140×60 px, 100 DPI, joined handwriting.
Read the guide PixFitSBI Clerk (Junior Associates) 2026: upload sizes
SBI Junior Associates 2026 uploads: photo 20–50 KB (200×230), signature 10–20 KB (140×60), thumb 20–50 KB, declaration 50–100 KB.
Read the guide PixFitUS visa photo size (DS-160)
US visa digital photo: square JPEG, 600×600 to 1200×1200 pixels, 240 KB or less, colour sRGB. Official State Department rules and how to make one.
Read the guideOwnPDF PDF scanner & editor
How to compress a PDF to 100 KB on your phone
Reduce a PDF to 100 KB, 200 KB or any size limit on Android for exam, job and government portals. Offline, no upload, no watermark. Step-by-step.
Read the guide OwnPDFHow to scan Aadhaar front and back on one page
Put both sides of your Aadhaar, PAN or driving licence on a single A4 page at real size, ready to print or self-attest. Offline on Android.
Read the guide OwnPDFHow to self-attest documents on your phone
Add your signature, name and date to every page of a PDF in one tap for self-attested copies. Works offline on Android with OwnPDF.
Read the guideCalcsend EMI & all calculator
EMI formula explained, with a worked example
How EMI is calculated: the formula, a worked example for ₹10 lakh at 10% for 10 years, and how each payment splits into interest and principal.
Read the guide CalcsendGST calculation: CGST, SGST and IGST explained
How to add or remove GST from a price and split it into CGST and SGST or IGST, with examples at 5% and 18%. Quick GST calculator on Android.
Read the guide CalcsendLand unit conversion: gunta, cent, acre and hectare
Convert gunta, cent, acre, hectare, square feet and square metres. 1 acre = 40 gunta = 100 cents = 43,560 sq ft. Table and examples.
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