Stayput

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Convert JPG to TIFF

Hand the print shop, publisher or archive the TIFF they asked for, made from your JPG on your own device.

Convert JPG photos to uncompressed TIFF in your browser, for print shops, archives, scanning workflows and publishers that ask for TIFF. It is free, needs no account and adds no watermark, and your files are not uploaded: everything runs in your browser on your device. The size limit is your device’s memory, and phones hold less; give the page a short while after one visit to save itself for offline use, and then it works offline.

Drop JPG files hereor click to choose files. Batches welcome.

    Working…

    Done

    Your files are processed on this device and never sent to a server. Reload the page to clear everything from memory.

    TIFF is the format print, publishing and archiving still run on. Print shops and photo labs ask for it, journals and publishers want figures as TIFF, patent and court filing systems take TIFF, and document management and fax-era software often reads nothing else. If the only copy of your image is a JPG, converting gives them the file type they require.

    Each TIFF here is written uncompressed: 8 bits per channel, red, green, blue and an alpha channel, at the JPG’s full pixel size. That is the most widely readable kind of TIFF, and it also means large files: about 4 bytes per pixel, so a 12-megapixel phone photo becomes a TIFF of around 48 MB. Converting cannot add detail the JPG compression removed, but it guarantees nothing more is lost when the file is edited and saved again.

    The TIFF is tagged at 72 pixels per inch. That tag does not change a single pixel; it is only a hint for the printed size. If a printer asks for 300 dpi, what matters is having enough pixels (about 3000 × 2100 for an A4 or Letter page at 300 dpi), and they can set the dpi value in their layout software, or you can in any image editor.

    JPG camera metadata (EXIF, including date, camera and GPS location) is not copied into the TIFF, and colour profiles are not embedded; the TIFF holds plain sRGB-style pixels. The JPG’s rotation flag is applied, so the TIFF is upright.

    Several JPGs make several TIFFs, one per photo, downloaded together as a zip. Files are saved with the .tiff extension; .tif is the same format under its older three-letter name, so a system that asks for .tif accepts these once renamed. Scanner and document systems that expect one multi-page TIFF per document are better served by a PDF: the JPG to PDF page puts many photos into one file.

    How it works

    1. Drop your JPG files onto the page, or tap to pick them. Batches are fine.
    2. Nothing to set: every TIFF is written uncompressed at full resolution, with an alpha channel.
    3. Download each TIFF, or all of them as one zip.

    In your browser, not on a server

    Stayput first reads the opening bytes of each file, where every image format writes its signature, so it knows what the file really is whatever it is called. Your browser decodes JPG, PNG, WebP, GIF, BMP, AVIF and SVG itself; TIFF goes through UTIF.js, HEIC through the libheif WebAssembly decoder, and JPEG XL (or AVIF, in a browser without native support) through the Squoosh decoders, all served from this site and cached. The browser re-encodes JPG, PNG and WebP; PDF, ICO, GIF, BMP and TIFF files are written by small encoders in the page. Nothing here needs a server.

    Compared with upload-based tools: Online converters upload your image, convert it on their machine, keep it for hours and cap you at a few files a day. This does the same conversion on your device, for as many files as your device’s memory can hold, with no upload to wait for.

    Verify it yourself. Give the page a short while after one visit to save itself for offline use, then turn off Wi-Fi or switch to airplane mode and run the tool again. Or open your browser's developer tools (F12, or Cmd-Option-I on a Mac), pick the Network tab, and watch it while you convert. The panel above does the same count for you.

    Questions

    Will the TIFF be better quality than the JPG?

    It will look exactly the same. TIFF stores the decoded pixels without compression, which stops further loss, but it cannot restore detail the JPG already threw away.

    Why is the TIFF file so large?

    It is uncompressed: every pixel is stored as four bytes. A 4000 × 3000 photo is 48 MB. That is normal for print-ready TIFFs; zip them, or use a file-transfer service, if email refuses them.

    Can I get a CMYK TIFF for printing?

    No. The TIFF is RGB. Most print shops convert RGB to CMYK themselves with their own press profiles; ask them if they require CMYK, and use a desktop editor if they do.

    Does the TIFF keep the JPG’s EXIF data?

    No. Date, camera and location data are not carried over, which is also a quick way to hand over an image without its GPS location.

    Is anything uploaded?

    No. The JPG is decoded and the TIFF is written in this browser tab. Your files are not uploaded.

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