JPEG (Joint Photographic Experts Group)
Price before paymentΤο JPEG είναι μια δημοφιλής ψηφιδωτή μορφή με συμπίεση. Συμπαγή αρχεία για ιστοτόπους, μέσα κοινωνικής δικτύωσης και παρουσιάσεις. Βέλτιστη ισορροπία μεταξύ ποιότητας και μεγέθους αρχείου.
OpenStreetMap data as of 26 October 2026 · 19 days ago
Βασικά χαρακτηριστικά
Σχετικά με τη μορφή JPEG
JPEG is the most widespread raster format: every program, every phone and every browser opens it, and lossy compression keeps the file small. For a map it is a finished picture — drop it into a presentation, send it in a messenger, put it on a web page.
The choice between JPEG and PNG is simple. If the map has many flat fills, thin lines and labels, PNG will be cleaner: it compresses losslessly. JPEG wins on weight and suits cases where the picture goes to the web, into email or into a document and file size matters.
The map is rendered into an image and saved at quality 90 out of a hundred — the balance at which compression artifacts are invisible to the eye. Quality is adjustable from 60 to 100, the default resolution is 150 dots per inch, and the sheet is A4 in landscape orientation.
There are technical ceilings: no more than 50 million pixels per image and no more than 10,000 pixels on any side. Transparency does not exist in JPEG at all — empty places are filled with a solid color; if you need a transparent underlay, take PNG.
Ποιο πρόγραμμα ανοίγει αρχεία JPEG
Τα ακόλουθα προγράμματα και εφαρμογές μπορούν να ανοίξουν, να επεξεργαστούν και να εργαστούν με αρχεία JPEG (Joint Photographic Experts Group) (.jpg) που έχουν εξαχθεί από το OSM2CDR:
Format specifications
- Open standard
- 2D only
- Lossy compression
- No attributes
- Output: 1 file
- JPEG (ISO 10918) with adjustable quality (default 90). Smaller than PNG for photo-style raster, lossy compression.
Ποιοι χρησιμοποιούν χάρτες JPEG
Πώς να εξαγάγετε JPEG
Πώς να το ανοίξετε μετά την εξαγωγή
- Presentations and documents — insert the .jpg into PowerPoint, Word or Google Slides as an ordinary picture.
- Web — put the file on the page; for mobile screens it makes sense to shrink it beforehand so as not to load extra megabytes.
- Photoshop, GIMP, Paint.NET — crop it, add a title or a legend; save the result once, as every re-save of a JPEG degrades the picture a little.
- Print — for a flyer JPEG is enough, but for quality printing PDF or PNG is better: they have no compression artifacts and the lines stay crisp.
Αποκτήστε εξαγωγές χαρτών JPEG (Joint Photographic Experts Group)
Κατεβάστε επαγγελματικούς χάρτες JPEG από το OpenStreetMap. Άμεση δημιουργία, για οποιαδήποτε περιοχή.