Articles
Short guides for everyday document tasks
How to Convert HEIC to JPG on Windows, Mac, iPhone and Android (Free)Why HEIC photos won't open on Windows or upload to some sites, and four free ways to conve...How to Remove Photo Location Data (EXIF) Before Posting or Selling OnlinePhotos can include GPS coordinates, the date and your phone model. Here is what EXIF data ...Are Online PDF and Image Tools Safe? How to Tell If a Site Uploads Your FilesMany free converters upload your files to a server. Here is how to tell the difference bet...How to Count Words and Characters for Essays, Applications and Social PostsWord and character limits for college essays, resumes, tweets and meta descriptions, plus ...JSON Formatter and Validator: How to Fix Invalid JSON (and What Base64 Is)The most common reasons JSON fails to parse, how to format and validate it online without ...How to Watermark an ID Card Copy Safely (Free, in Your Browser)How to put a watermark on an ID card copy before sending it for a job application or a tra...How to Reduce an Image to 200KB or Less (No Software Needed)How to shrink an image to 200KB or less for job applications and online forms, what makes ...ID Photo Sizes in Thailand: 1 Inch, 2 Inch and Passport in cm, and Printing on A4A table of 1 inch, 2 inch and passport photo sizes in centimeters and pixels, with how to ...How to Merge PDFs for a Job Application (Free, No Software)How to combine a resume, ID copy, certificates and other documents into one PDF for a job ...Can't Open a HEIC Photo? Convert It to JPG for Free in Your BrowserWhat HEIC photos from an iPhone are, why they won't open or upload, how to convert them to...Make Your Own Business Card QR Code That Saves Straight to ContactsHow to create a vCard business card QR code with your name, phone, email and website so pe...Sign a PDF Online with a Finger, Mouse or Pen, Without PrintingHow to sign and add text such as a true copy note on a PDF or document image, drag it into...PNG vs JPG vs WebP: Which Image Format Should You Choose?The difference between PNG, JPG and WebP image files, what each suits, and how to convert ...How to Remove GPS Location and Hidden Data from Photos Before SharingPhone photos often carry GPS location, date and device model. How to check and remove them...How to Convert PDF to Images and Images to PDFHow to turn PDF pages into PNG or JPG images and combine several images into a PDF with A4...How to Convert Buddhist Year (BE) to AD and Calculate AgeHow to convert Thai Buddhist Era years to AD and back by adding or subtracting 543, with e...How to Write an Amount in Thai Words on Cheques and ContractsHow Thai money amounts are read, including เอ็ด, ยี่สิบ, ล้าน and satang, plus a tool that...What a Quotation Needs, and How to Make One Free as a PDFWhat to include in a quotation or invoice, such as document number, items, 7% VAT and paym...Thailand to US Time Difference: EST, PST and Daylight SavingA table of Thai time against New York, Chicago, Los Angeles and London, in standard and da...How to Count Words in Thai, and How Long an Essay or Post Should BeHow to count words and characters in Thai, which has no spaces between words, the differen...Image Ratios for Social Media: 1:1, 4:5, 9:16 and 16:9, and How to CropThe image ratios commonly used for social posts and video, and how to crop a photo and wor...