How to Make a Study Timetable for Exams That Actually Works
Build an exam study timetable that works: count your available hours, weight subjects by difficulty, add revision days and breaks, with a sample weekly plan.
Custom Converter Blog: guides for every tool
Step-by-step guides, worked examples and tips for our free calculators and converters: loans and EMI, salary tax, currency, PDF and image files, dates and countdowns, Islamic tools, cricket stats, packaging and more. Every article links to the tool it explains.
How to Calculate Attendance Percentage (75% Rule Explained)
Calculate your attendance percentage, find how many classes you can miss and how many you must attend to stay above 75% or 80%, with clear examples.
How to Calculate Your Weighted Grade in a Course
Learn how to calculate a weighted course grade from assignments, quizzes, mid-term and final exam, with worked examples and a simple formula students can use.
How to Split a PDF and Extract Pages (Free)
Split a PDF into separate pages or extract a page range for free, using simple range examples, without uploading your document to a server.
How to Merge PDF Files Into One (Free and Private)
Merge several PDF files into one document for free, arrange pages in the right order and keep the file size small, without uploading your documents.
JPG vs PNG vs WebP: Which Image Format Should You Use?
Compare JPG, PNG and WebP image formats: file size, quality, transparency and compatibility, and learn which to use for photos, logos, websites and forms.
How to Crop a Photo Online: Ratios, Framing and Tips
Crop photos online for free with common ratios like 1:1, 4:5, 16:9 and passport size, plus framing tips that make portraits and product photos look better.
How to Resize an Image to Exact Pixels or Percentage
Resize images to exact pixels or a percentage without distortion: keep the aspect ratio, pick sizes for social media and forms and avoid blur.
How to Convert PDF to JPG Images (Every Page or One Page)
Convert PDF pages to JPG images for free: choose quality, convert all pages or one, and use the images for WhatsApp, social media, slides and online forms.
How to Convert Word to PDF (Free, Keeps Layout)
Convert a Word document to PDF for free so it looks the same on every device, with tips for fonts, images, page size and file size before you…