Guides
Practical explanations of common PDF, image, money and study tasks, and how to do them with ToolSolvo.
How to Translate the Text in an Image (Photos, Screenshots and Scans)
Translate the English text in a photo, screenshot or scan: how image translation differs from OCR, the steps, tips for clearer results and the limits to know.
How to Convert a PDF to Excel and Extract Tables
Get a table out of a PDF and into an Excel workbook in your browser: the steps, page and sheet options, what lands in which cell, and what to check afterwards.
How to Convert CSV to Excel and Excel to CSV (and What Changes)
Turn a CSV file into an Excel workbook, or one Excel sheet into CSV, in your browser. Separators, UTF-8 and BOM, leading zeros, dates and what is lost on the way.
JPG vs PNG vs WebP: Which Image Format Should You Use?
JPG is for photos, PNG for text, logos and transparency, WebP for small files on the web. See real file sizes, when each format fails, and how to convert.
Why Images Save as WebP, and How to Convert Them to JPG or PNG
Saved an image and got a .webp file? Why websites use WebP, how to turn it into JPG or PNG on a phone or computer, and when PNG is the better choice.
How to Convert Photos (JPG) to PDF on Your Phone or Laptop
Turn photos of documents, receipts or certificates into one PDF on a phone or laptop: page order, A4 or Letter, margins, file size, and iPhone HEIC photos.
How to Split a PDF or Extract Only the Pages You Need
Take pages out of a PDF, or break it into several files, by typing ranges like 1-3, 7. How page order works, splitting to fit upload limits, and Mac Preview.
How to Convert a PDF to JPG (or PNG) Without Blurry Text
Turn PDF pages into JPG or PNG images on a laptop or phone. Which resolution to pick, when PNG beats JPG for text, real file sizes, and converting only some pages.
Are Online File Tools Safe? What Happens to Your Files, and How to Check
Online PDF and image tools either upload your file to a server or work in your browser. See the difference, the real risks, and a quick check you can run.
How Income Tax on Salary Is Calculated in Pakistan (Tax Year 2027)
The 2026-27 salary tax slabs from the Finance Act 2026, the formula behind them, and worked examples for monthly salaries from Rs 50,000 to Rs 700,000.
How Your Electricity Bill Is Calculated in Pakistan (2026)
Slab rates, protected vs unprotected homes, fixed charges, FPA and taxes: how a Pakistani home electricity bill is built, with worked examples for 2026.
How to Calculate GPA, CGPA and Percentage (Any Grading Scale)
The credit-hour formula for GPA and CGPA, a worked example across two semesters, the most common mistake, and how CGPA to percentage really works.
How to Calculate Loan EMI: Formula and Worked Example
The EMI formula explained step by step, a worked example, how each instalment splits into interest and principal, flat vs reducing rates, and Excel’s PMT.
How to Convert PDF to Word (and What to Do With Scanned PDFs)
Convert a PDF to an editable Word file in your browser, see what carries over and what does not, and how to get text out of a scanned PDF.
How to Merge PDF Files into One Document
Combine multiple PDFs into one file, reorder them, and check the merged result. See the steps and what may happen to bookmarks, forms and locked PDFs.
What Is OCR? How to OCR a Scanned PDF or Image
OCR means optical character recognition. When you need it, how to OCR a scanned PDF or image in your browser, and how to check the result for mistakes.
How to Resize a Photo or Signature for an Online Form
Follow your form's rules: what pixels, print size, DPI and KB limits mean, how to resize and compress a photo or signature, and how to check the file.
How to Compress a PDF: Reduce File Size Safely
Compress a PDF with Basic, Recommended or Maximum. Basic keeps text, links and forms; the stronger levels turn pages into images, so those may stop working.