A shopfront graphic can look perfect on screen and still produce soft lettering, unexpected colour shifts or a fine white line around a cut shape when it reaches production. The question, what file types are print ready, is therefore not just about choosing a file extension. A print-ready file carries the right image quality, scale, colour settings and production information for the product being made.

For business cards, posters, window graphics, exhibition displays and fabricated signage, the best format depends on how the artwork is built and how it will be finished. A high-resolution PDF may be ideal for a printed menu, while a vector PDF with a cut contour is the better choice for vinyl lettering or shaped window graphics. Getting this right before ordering protects lead times, avoids artwork amendments and helps achieve the clean, professional result your brand requires.

What file types are print ready?

The most widely accepted print-ready formats are PDF, AI, EPS and TIFF. For many standard printed products, a press-quality PDF is the preferred choice because it can retain vectors, embedded images, fonts and page dimensions in one dependable file. It is practical for customer upload and gives production teams a clear file to pre-flight.

Adobe Illustrator files (AI) and EPS files are excellent for artwork made from vector paths. These are especially valuable for logos, lettering, icons, line work, wayfinding symbols and graphics that may be scaled from a small label to a large-format wall display. Unlike a raster image, a vector file does not lose clarity when enlarged because its shapes are defined mathematically rather than by fixed pixels.

TIFF files are also suitable for high-quality photographic print, provided they are supplied at the correct resolution and final size. They can be large files, but they preserve image detail well and are commonly used for photographic panels, posters and large printed graphics.

JPEG and PNG files can sometimes be printed successfully, but they need closer inspection. A JPEG is compressed and may show artefacts around type, gradients or sharp edges, particularly if it has been repeatedly saved. PNG is useful for screen graphics and can support transparency, but it is not normally the first choice for commercial print artwork. If it is the only file available, its actual pixel dimensions need checking before it goes into production.

PDF is usually the safest delivery format

A properly exported PDF offers the right balance of convenience and production control. It can preserve vector logos and text while containing linked photographs, crop marks and bleed where required. For most print products, supplying a high-quality PDF at the final artwork size is the most straightforward route.

However, not all PDFs are equal. A PDF exported for email or web viewing may reduce image resolution, convert colours for screen use or flatten elements in a way that limits production control. Where export settings are available, choose a press-quality or print-quality PDF rather than a smallest-file-size option.

Vector versus raster: the difference that affects finish

The key technical distinction is whether your artwork is vector or raster. Vector artwork is made from editable lines and shapes. Raster artwork is made from pixels, as with a photograph.

A vector logo remains crisp at virtually any practical size. This makes it the strongest starting point for CNC-cut letters, laser-cut shapes, vinyl graphics, illuminated signage faces and exhibition branding. If your logo is only available as a small JPEG copied from a website, enlarging it for a fascia sign will not create more detail. It will simply enlarge the pixels.

Raster images are entirely appropriate when the design includes photography, textured imagery or complex tonal artwork. Their suitability comes down to resolution at the final printed size. As a general rule, 300 dpi is preferred for close-viewed products such as business cards, brochures, menus and small posters. Large-format graphics viewed from several metres away can often be produced at a lower effective resolution, but the correct level depends on viewing distance, material and print method.

For example, a 300 dpi image supplied at A4 may look sharp as an A4 flyer but will not be suitable for a 3-metre-wide exhibition wall. Conversely, a large hoarding graphic does not necessarily need the same pixel density as a leaflet. Production should be based on where people will stand and how the finished graphic will be used.

Set the correct size, scale and bleed

File type alone cannot make artwork production-ready. The document must be set to the finished dimensions, or supplied at a clearly stated scale for very large formats. A sign designed at 1:10 scale should say so in the file name or artwork notes, with all proportions retained accurately.

For printed items that are trimmed after production, bleed is essential. Bleed is extra artwork extending beyond the final cut edge, usually 3 mm for smaller printed pieces, although larger graphics and specialist products can require different allowances. It prevents unwanted white edges caused by minor movement during trimming.

Keep key text, logos and borders inside a safe area. A border positioned too close to an edge can look uneven after trimming even if the cut is technically accurate. On window graphics, wall vinyl and panel-mounted displays, allow for the actual installation area, frames, handles, hinges, recesses and sight lines. A visually centred design on an artboard may not be centred on the finished surface.

Use CMYK and control brand colours

Screens use RGB light to create colour. Commercial print generally uses CMYK inks or toners. That difference matters because bright screen colours – especially electric blues, greens and oranges – may not reproduce exactly in standard print.

Build artwork in CMYK where possible and use approved CMYK or Pantone references for established brand colours. Pantone spot colours can be useful where a specific corporate colour needs closer matching, though whether they can be reproduced directly depends on the print process and product. For digitally printed signage, a carefully managed CMYK conversion is often used.

Do not rely on a monitor as a final colour proof. Screen settings, ambient light and device calibration all affect what you see. If colour accuracy is critical for a retail rollout, branded interior or exhibition campaign, request a production check or proofing approach before the full run is manufactured.

Prepare text, logos and cut lines properly

Fonts can cause unexpected substitutions if they are not embedded in a supplied PDF or available to the production system. The safest approach for final logo artwork and display headlines is often to convert text to outlines, creating vector shapes rather than live editable type. Keep an editable working version separately, as outlined text cannot be easily changed afterwards.

For shaped vinyl, labels, window manifestations and contour-cut graphics, the cut line must be clearly defined. It should sit on its own layer, use the agreed spot-colour name where specified, and be set as a stroke rather than part of the printed design. A cut path that is hidden inside a flattened JPEG cannot guide a cutter.

The same principle applies to white ink, varnish, drill holes, folds and other special finishing instructions. These need clear, separate production layers or notes. If a sign includes built-up letters, LED illumination, stand-off fixings or a folded tray, artwork is only one part of the specification. Dimensions, material, fixing method and site conditions also need to be confirmed.

Common files that need checking before print

Microsoft Word, PowerPoint and Canva exports can be useful for early artwork, but they are not automatically production-ready. They may contain low-resolution web images, RGB colours, non-embedded fonts or page sizes that differ from the intended product. A PDF exported from these platforms can be acceptable for simple print when prepared carefully, but it should be checked rather than assumed ready.

Screenshots, social-media graphics and images taken from websites are frequent causes of poor large-format output. They are created for display on a phone or monitor, not for a printed banner, window graphic or sign panel. Even when they look sharp at screen size, their resolution may be far too low for the required physical dimensions.

Files with transparency, overprint effects, thin lines and complex gradients also deserve a pre-flight check. Modern workflows handle many of these elements well, but flattening, colour conversion or material choice can change the result. This is particularly relevant where fine detail is printed onto textured, reflective or translucent materials.

A practical print-ready checklist

Before uploading artwork, confirm that the file is at final size or clearly scaled, images have sufficient resolution, colours are set for print, and any bleed and safe margins are included. Check that fonts are embedded or outlined, logos are vector wherever possible, and specialist instructions such as cut paths or white ink are separated clearly.

For straightforward printed products, these checks can make online ordering quick and predictable. For a multi-site rollout, architectural branding package or exhibition installation, it is worth treating artwork approval as part of the wider production plan. Site measurements, fabrication tolerances, material samples and installation access can all influence the final specification.

At G4U Signs, a clear artwork file helps move your project from quotation to production without unnecessary delay. If your file is not yet ready, identifying the issue early is far better than discovering it once materials are prepared. The right format is the one that gives your finished sign or print the clarity, colour and durability your business is paying for.