JPEG, PNG or WebP: choose a format for the job
A practical decision guide for photographs, transparent logos and screenshots, with a repeatable export comparison.
Read the guideTHE NEPOCORE FIELD NOTES
A little know-how.
More possibility.
Practical walkthroughs, worked examples and honest limits.
Make the most of the tools you use every day.
35 guides
Compress images while keeping the detail people need
Use dimensions, quality and visual comparisons in the right order instead of chasing an arbitrary file-size target.
Read the guidePrepare a passport photo layout without confusing size with approval
Understand millimetres, pixel dimensions and print scaling before making a photo sheet.
Read the guideTurn a photo into a readable pixel-art avatar
Choose a crop, grid size and color treatment that keep the subject recognizable at small sizes.
Read the guideMake a photo comic strip that reads in the right order
Plan panels, captions and bubbles so the story remains clear on a phone and in a downloaded image.
Read the guideCreate a transparent signature image and use it carefully
Draw a clean signature, inspect transparency and understand how it differs from a cryptographic digital signature.
Read the guideDesign a bold text poster with layered depth
Use short text, controlled extrusion and readable color contrast to make a useful PNG or SVG poster.
Read the guideMake a QR code that still scans after printing
Keep the quiet zone, choose a clear destination and test the actual printed result before distributing it.
Read the guideExport PDF pages as JPG or PNG without losing track of resolution
Choose page ranges and pixel density, then decide between a single image and a ZIP of page images.
Read the guidePDF compression: compare a structure rewrite with an image-based copy
Understand why a PDF can get larger, and which features an image-based export removes.
Read the guideExtract PDF text or use OCR? Start by checking the text layer
Avoid empty extraction results and understand why columns, scans and reading order need different treatment.
Read the guideBuild a word search from a list that actually fits
Choose a grid, useful vocabulary and an answer key, while handling words the generator cannot place.
Read the guideCreate a connected crossword with clear clues
Write fair answer–clue pairs, improve intersections and review unplaced words before handing out the puzzle.
Read the guideUse a Sudoku generator, checker and hint without guessing what they mean
Learn the difference between conflicts, wrong entries, uniqueness and clue-count difficulty.
Read the guideMake a weekly school timetable that matches the real day
Build periods and breaks first, then place subjects and check the printable schedule against actual school hours.
Read the guideChoose a printable worksheet with one clear practice goal
Use alphabet, math, handwriting or coloring pages deliberately and check the exported PDF before printing.
Read the guideUse a habit calendar without letting a streak become the whole goal
Record a few clear actions, interpret streaks accurately and keep a backup of optional local records.
Read the guideMake a simple room plan before moving furniture
Measure rectangular footprints, compare positions and understand the difference between no overlap and usable clearance.
Read the guideBuild a seating chart with capacities you can verify
Keep guest labels unique, reserve explicit assignments and use fill or shuffle only for the decisions you intend.
Read the guideKeep a pantry list without treating dates as a food-safety verdict
Record quantities, storage locations and package-label dates while keeping calendar comparisons separate from safety decisions.
Read the guideBuild a monthly budget with planned and actual amounts
Separate the plan from the record, check the leftover arithmetic and keep all rows in one currency.
Read the guideWork out an IPv4 subnet from 192.0.2.143/27
Follow the block arithmetic, then handle /31 and /32 using their explicitly different interpretations.
Read the guideRead chmod numbers without defaulting to 777
Build owner, group and other permissions from 4–2–1, and interpret directory search and special bits carefully.
Read the guideGenerate and verify an HMAC with the right bytes
Distinguish authentication from encryption and compare UTF-8 keys, hexadecimal bytes and exact message content.
Read the guideInspect a HAR network log without sharing its secrets
Read timing and size summaries, then understand what a reduced export removes and what it can still reveal.
Read the guideCompare subscription costs on the same time scale
Normalize weekly, monthly and annual prices without confusing an average cost with the actual billing date.
Read the guideCompare debt-payoff methods under clear assumptions
See how monthly interest, fixed payments and priority rules shape a simplified snowball or avalanche schedule.
Read the guideCompare pack sizes using unit price and the same units
Convert grams, kilograms, millilitres and litres before comparing a discount with a larger pack.
Read the guideFollow cash from opening balance to the next period
Model receipts and payments in order without confusing cash flow with profit or a balanced monthly budget.
Read the guideKeep a manual inventory with stock value and reorder flags
Use unique SKUs, a defined unit cost and a real count before relying on stock totals.
Read the guideMake a business card with a contact QR people can verify
Keep the visual card readable, distinguish a vCard from a website link and test both the printed and digital contact.
Read the guidePrint a clear address label and keep postage separate
Choose a physical label size, preserve every address line and verify the recipient before attaching it to a parcel.
Read the guideCount Nepali notes and coins with a denomination check
Separate note and coin rows, verify the piece count and reconcile a worked NPR total.
Read the guideRead a Nepali BS calendar with AD dates and scoped holiday notes
Use the supported date range, check a known conversion and distinguish a dated holiday from a universal closure.
Read the guideDraft a Nepali request letter, then make it your own
Choose an editable school, office or general request template and check dates, wording and the final PDF.
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