Tips for working with PDFs and images
Practical guides on file formats, compression, and getting the most out of LovePDFImg's tools.
How to Make a PDF Under 1 MB, 2 MB or 5 MB
Work out the size budget per page, remove pages you do not need, compress with the right mode and split when a limit is out of reach. For 1, 2 and 5 MB.
PDF Too Large to Email? What Actually Works
A PDF over the attachment limit has four real fixes: send fewer pages, compress scans, split into parts or shrink the photos behind it. Here is how to choose.
How to Turn Scanned Photos Into One Clean PDF
Photograph pages, crop and rotate them, then combine them into a single A4 PDF. Includes shooting tips, page size choices and keeping the file small.
How to Resize Product Photos Without Stretching or Squashing
Keep product photos in proportion: use a locked aspect ratio, crop to a square when the shop needs one, and keep every image in a catalogue consistent.
How to Fix a PDF That Prints in the Wrong Order
Pages coming out backwards or shuffled? Find out whether the PDF or the printer settings are to blame, then fix the file with Reorder PDF Pages.
How to Shrink an Image to Fit a Website Upload Limit
Fix "file too large" errors: measure the gap, resize, compress to a target size, and change format only when needed. A clear order of steps.
How to Combine Screenshots Into One PDF for a Bug Report
Turn a set of screenshots into one numbered, ordered PDF for a bug report: naming, cropping, page size, file size and what a PDF cannot carry.
How to Make a Profile Picture Without Cropping Out Your Face
Stop automatic crops from cutting off your head. Crop your own square, leave room for the circle mask, then resize to the size a platform wants.
How to Clean Up a Messy Scanned Document
Fix a scanned PDF with sideways pages, blank sheets and the wrong order, then shrink and number it. A step-by-step order of tools, with honest limits.
How to Fix an Image That a Website Upload Form Keeps Rejecting
Work out why an upload form refuses your image: format, file size, pixel dimensions, shape or file name, and fix each with a free browser tool.
How to Edit PDF Metadata (Title, Author, Subject and Keywords)
Change the title, author, subject and keywords stored in a PDF, or clear them before sharing. Learn where they show up and what this editor cannot change.
How to Extract Pages From a PDF Into a New File
Pick the pages you want, click Extract Selected Pages and download extracted.pdf. Learn what stays in the new file and when Split PDF is the better tool.
How to Flip an Image Horizontally or Vertically (Mirror Effect)
Mirror a JPG, PNG or WebP left to right or turn it upside down in your browser, with a live preview. Learn when flipping is right and when it backfires.
How to Protect a PDF with a Password (and What It Really Stops)
Add an open password to a PDF in your browser in five steps, with a plain explanation of RC4 40-bit protection, its limits and how to share the password.
How to Resize an Image Online Without Photoshop
Resize a JPG, PNG or WebP by exact pixels or percentage in your browser. Understand locked vs free aspect ratio, enlarging limits and file size.
How to Calculate Image Aspect Ratio Online
Find the aspect ratio of any image, or the matching height for a new width, with a free calculator. Includes the maths and common ratios.
How to Convert JPG to PDF Online
Combine JPG photos into one PDF. See what Fit to A4, Fill A4 and Use image dimensions really do, why photos come out sideways and how big the file gets.
How to Convert JPG to WebP for Faster-Loading Pages
Turn JPG photos into WebP in your browser. Pick a quality that suits your page, understand double compression and learn when to keep the JPG.
How to Convert Many Images at Once to JPG, PNG or WebP
Change a whole folder of JPG, PNG or WebP files to one format in your browser. Learn the background colour option, name clashes and quality settings.
How to Convert PNG to PDF Online
Turn PNG screenshots and graphics into a PDF. Choose the page size for tall images, see what happens to transparency and keep the file size under control.
How to Convert PNG to WebP Without Losing Transparency
Turn PNG images into smaller WebP files that keep see-through areas. Choose the right quality, check soft edges and know when PNG is still better.
How to Pick a Color From an Image and Copy the HEX, RGB or HSL Code
Click any pixel in a JPG, PNG or WebP and copy its HEX, RGB or HSL code. Learn why sampled colours differ slightly and how to get reliable values.
How to Preview What Is Inside a ZIP File Without Extracting It
List every file, folder and size in a ZIP before saving anything. Learn to read the compression summary and spot odd files, all in your browser.
How to Read a PDF Online Without Adobe Reader
Read a PDF in your browser with no Adobe Reader or app install. Scroll continuously, jump to a page, and learn the limits on big files and zoom.
How to Remove EXIF Data and GPS Location From Photos
Strip GPS, camera and date tags from JPG, PNG or WebP photos in your browser. Learn what EXIF holds, what stays behind and how to check the result.
How to Reorder Pages in a PDF Online
Reorder PDF pages in your browser by dragging thumbnails. See exactly where a dropped page lands, how to send one to the end, and what the saved file keeps.
How to Rotate a Photo Online (90° or 180°, Free)
Fix a sideways or upside-down photo in your browser with Rotate Image. Learn which button to press, what happens to the file, and why some photos stay sideways.
How to Split a PDF Into Multiple Files
Split a PDF into one range of pages or one file per page in your browser. See what the range box accepts, what the ZIP contains and why commas fail.
How to Tell What Format an Image File Actually Is
A .jpg may really be WebP or PNG. Check the true format from the first bytes, read signatures yourself and fix a mismatch correctly.
How to Unzip a File Online Without Installing Software
Open a ZIP in your browser and save one file or all of them. Learn how Download All behaves, why folders are flattened and what to do when a ZIP will not open.
How to Merge PDF Files Online
Combine several PDFs into one file, set the order by dragging and learn what the merged file keeps, plus fixes for oversized or failed merges.
How to Rotate PDF Pages Online
Turn sideways or upside-down PDF pages 90 or 180 degrees, all at once or only selected pages, and download rotated.pdf without recompressing anything.
How to View a PDF Online Without Downloading an App
View a PDF in your browser with no app and no upload. Step-by-step use of the View PDF tool, zoom limits, and what to do when a file will not open.
How to Convert Images to PDF Online (JPG, PNG, WebP and More)
Combine JPG, PNG, WebP and other images into one PDF. See how each format is handled, how to set the order and which page size suits forms or portfolios.
How to Compress WebP Images Online, by Quality or Target Size
Make WebP files smaller in your browser. Learn how quality and target size modes differ, why results can miss the target, and what is lost.
How to Convert JPG to PNG Online (and What It Will Not Fix)
Convert JPG to PNG in your browser. See why files grow, why a white background stays white, and when keeping the JPG is the smarter choice.
How to Convert WebP to PNG Online (and Keep Transparency)
Convert WebP to PNG in your browser when an editor, form or print shop rejects WebP. Transparency stays intact and the file is never uploaded.
How to Unlock a Password-Protected PDF When You Know the Password
Remove the open password from a PDF in your browser. Step by step, which encryption is supported, and what to check when the password is rejected.
JPG vs PNG vs WebP: Which Image Format Should You Use?
Pick the right image format for photos, logos, screenshots and web pages. A plain comparison of JPG, PNG and WebP with a decision table.
How to Add a Text Watermark to a Photo Online
Stamp your name or copyright on a JPG, PNG or WebP with live preview. Choose position, size, opacity and colour, and know what a watermark cannot stop.
Best Image Format for Websites: WebP, AVIF, JPG or PNG?
Choose the right format for web images: photos, logos, screenshots and transparency. A practical strategy for WebP, AVIF, JPG and PNG, and how to convert.
How to Change Image DPI to 300 Without Resizing the Pixels
Set a JPG or PNG to 72, 150, 300 or custom DPI in your browser without touching its pixels. See the print-size maths and what DPI cannot fix.
How to Convert WebP to JPG (and Why Your Browser Saved a WebP)
Saved image turned out WebP? Convert it to JPG in your browser, choose a fill for transparency and learn why sites send WebP and what to check.
How to Convert PDF to JPG Images (All Pages or a Range)
Turn PDF pages into JPG or PNG images, all pages or a range. See what DPI means in pixels, how the page box is read and how to keep the files small.
How to Add a Text Watermark to Every Page of a PDF
Stamp DRAFT or CONFIDENTIAL on every PDF page free. Learn what position, size, opacity and colour do, and how to stop big text from being clipped.
How to Add Page Numbers to a PDF Online (Free)
Add sequential page numbers to any PDF - choose position, starting number, and format. No Adobe Acrobat, no software to install.
How to Delete Specific Pages From a PDF
Click the unwanted pages, press Delete Selected Pages and download edited.pdf. See what the tool refuses to do, what stays in the file and what to check.
How to Check Image Dimensions and File Size Online
See an image width, height, file size, megapixels and aspect ratio in one line, for one file or a whole batch. Free, in your browser.
PDF Page Management: Merge, Split, Delete, Reorder and More
Which PDF page tool for which job, what each file is called, and the order to use them in. A practical overview of merging, splitting, deleting and reordering.
How to Create a ZIP File Online Without Installing Anything
Bundle files into one ZIP in your browser. Steps, what to name the archive, why same-name files collide, and why the ZIP is not smaller than the originals.
How to Compress a PDF Online (and What It Does to Quality)
Compress PDF re-renders each page as a JPEG. Learn which files shrink well, what quality, DPI and target size do, and when not to use it.
How to Crop an Image to Exact Pixel Sizes Online
Crop a JPG, PNG or WebP by dragging or by typing X, Y, width and height in pixels. Learn the coordinates, centring maths and the crop-then-resize order.
Convert PNG to JPG Without a White Background (Choose the Colour)
JPG cannot be transparent, but you can choose the fill colour instead of white. Match it to your page, avoid halos and know when to keep PNG or WebP.
How to Compress a PNG and Keep Its Transparency
Make PNG files smaller in your browser by scaling them down while keeping see-through areas. See what scale does to file size and when to switch format.
How to Compress a JPG to 50 KB, 200 KB, 500 KB, 1 MB or 2 MB
A practical guide to hitting common JPG size limits: when to use quality, when target size, and when to resize first. Free and done in your browser.
How to Compress a JPG to 100 KB for Forms and Portals
Get a JPG down to about 100 KB in your browser. Learn why to aim at 90, when to resize first and how to meet size and pixel rules together.