Convert an Image to PDF on a Chromebook
To convert an image to PDF on a Chromebook you don't need to install anything: ChromeOS prints to PDF on its own, and for anything past a single picture a converter that runs in the browser tab finishes the job. Here's the built-in route, exactly where it stops being enough, and what to use instead.
After converting, each file tells you exactly which route it took and what came out.
🔒 Private by design: your images are converted in this browser tab and never uploaded.
Start with what ChromeOS already does
ChromeOS can already turn one picture into a PDF, and if that is all you need you can stop reading after this section. The Gallery app prints, and Chrome's print dialogue can print to a file instead of to a printer.
- Open the Files app and double-click your image. It opens in Gallery, the built-in viewer.
- Press Ctrl + P, or open the More menu at the top right and choose Print.
- Set Destination to Save as PDF. Save to Google Drive is in the same list if you would rather it landed in Drive.
- Open More settings to change the paper size, or to set Margins to None so the picture is not floating inside a wide white border.
- Click Save and pick a folder. The default is My files > Downloads.
Nothing here needs the Play Store or an extension — the two things most likely to be switched off on a school or work Chromebook — and nothing here asks you to sign up for anything.
Where the built-in print route runs out
Print is fine for one photo and awkward for everything else.
- One image per PDF. Print handles whatever is on screen. Twelve photos means twelve separate PDFs, and ChromeOS gives you nothing built in to merge them afterwards.
- You always get a standard sheet. Save as PDF writes A4 or Letter, never a page shaped like your photo. A tall screenshot ends up shrunk into the middle of a portrait page with white bands above and below it.
- Orientation is manual. A landscape photo lands sideways-small on a portrait sheet until you flip the orientation yourself, for every file.
- The image is redrawn to fit the sheet rather than carried across as it is. Gallery can rotate a sideways photo first, but saving that change re-writes the image file.
For one certificate or one receipt, none of that matters. For twenty pages of homework, it is the whole job.
Convert an image to PDF on a Chromebook in one tab
A Chromebook is a browser with a lid, so a converter that runs inside the tab is not a workaround here — it is the shortest route, because there is no Windows- or Mac-style desktop app to go and install. Scroll up to the converter on this page and it goes like this.
- Drag your pictures out of the Files app onto the drop area, or click it and browse.
- Put them in order: drag the thumbnails, or nudge them with the arrow buttons. Rotate any that are lying down, and remove the ones that snuck in.
- Choose the page — A4, US Letter, US Legal, A3, A5, A6, Tabloid, or Match the image, which builds each page to the shape of the picture on it and does away with the white bands the print route leaves behind.
- Set the margin (none, 6 mm, 13 mm or 19 mm), how the image fits the page (fit inside, fill and crop, or stretch), and the file name.
- Pick one merged PDF or separate PDFs in a ZIP, then convert.
The result downloads the ordinary way, so it lands in My files > Downloads. To change that, go to Settings > Downloads — you can point it at a Google Drive folder, or turn on Ask where to save each file.
Nothing is uploaded, which is the point on a managed device
The conversion happens in the tab. Your images are read by the page, assembled into a PDF by code already running in Chrome, and handed back as a download. They are not sent to a server, and there is no account, no sign-in, no queue and no watermark.
On a managed Chromebook that is the practical difference. Administrators routinely restrict extensions and the Play Store, and plenty of school and workplace policies exist specifically to stop student or client files being uploaded to sites nobody has vetted. A page that does the work locally sidesteps both: nothing to install, nothing leaving the device.
Two honest limits. The tab is doing real work with real memory, so on a 4 GB Chromebook a very large batch will be slow — split it in two. And there is a hard stop at 200 images or 600 MB per batch, with single images above 80 megapixels refused outright rather than quietly mangled.
JPG, PNG, HEIC and TIFF: what happens to your file
JPG and PNG go in untouched. A PDF can hold those two natively, so the original bytes are embedded without being decoded or re-compressed. One exception: a photo whose EXIF says it is mirrored rather than simply rotated — some front-camera selfies — has to be decoded and re-encoded to come out the right way round, and the tool says so when it happens. Chromebook screenshots are PNGs, so they are in this group — Ctrl + Show Windows for the whole screen, Shift + Ctrl + Show Windows to drag a box round part of it, saved to Downloads and shown in Tote on the shelf. If you are mostly turning screenshots into PDFs, PNG or JPG for a PDF explains what that PNG does to the file size.
HEIC, TIFF, WebP, AVIF, GIF, BMP and SVG have to be converted. A PDF cannot hold them, so they are decoded in the tab and re-encoded once — JPEG at high quality for photographs, PNG for graphics and anything with transparency. One pass, then it stops. If a HEIC off an iPhone will not preview properly on your Chromebook, the HEIC to PDF page still reads it, and a multi-page TIFF becomes a multi-page PDF, one page per page.
Two things to expect: an animated GIF or WebP contributes its first frame only, and an SVG is rasterised at twice its declared size rather than staying vector. Camera raw files (.dng, .cr2, .nef, .arw) are not supported.
Several images into one PDF
This is the case print cannot touch. Add every image, drag the thumbnails until the order is right, leave the output on one merged PDF, and you get a single file with one image per page — no second tool needed to stitch it together. If the batch is a big one, converting images to PDF with no file limit covers how far you can push it in one go.
If you want them separate instead, switch the output to separate PDFs in a ZIP. Double-click the ZIP in the Files app and ChromeOS mounts it as a folder you can drag files out of.
Play Store apps, extensions, and one honest alternative
Chromebooks can run Android apps, but on a managed school device the Play Store is usually turned off by the administrator. Even when it is not, you are installing something, granting it storage permission, and still having to work out whether it uploads your file. Extensions have the same problem from the other side: often blocked by policy, and an extension that can read your files is a bigger thing to agree to than a page you close when you are done.
One genuine alternative. If your Chromebook has the Linux container enabled and you are comfortable in a terminal, img2pdf does this properly and completely offline, and it embeds JPEGs without re-encoding them, same as we do. If that is already your world, use it.
If you are on an iPhone rather than a Chromebook
There is no ChromeOS app, and there does not need to be — the browser is the app. If the pictures are sitting on an iPhone or iPad instead, our iOS app, Image to PDF Converter: Photo, is free with a Premium upgrade for unlimited conversions. It converts PNG, JPG, HEIC and TIFF entirely on the device, and includes a document scanner with edge detection for paper you need to photograph. One thing to know: the app resizes photos to 1200 px wide and re-encodes them to keep PDFs small, so when quality matters, do that job here on the Chromebook instead.
