PICT to OTB Converter

Convert PICT images to OTB format — no install needed

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Convertio removes uploaded PICT files right after processing and purges OTB results within 24 hours. Your data does not linger on servers.

Server-Side Speed

Conversion happens on remote servers, so your computer or phone does not slow down. Upload PICT, get OTB — all handled in the cloud.

Cross-Platform

Works on Windows, macOS, Linux, iOS, and Android. Convert PICT to OTB from whichever device you have at hand — no restrictions.

How to convert PICT to OTB

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose otb or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your otb file right afterwards

About formats

PICT is a metafile graphics format created by Apple Computer as the native graphics format for the Macintosh, debuting alongside the original Mac in January 1984 and remaining central to Mac OS graphics until the transition to Mac OS X. PICT files record a series of QuickDraw operation codes (opcodes) that reproduce the image when replayed through the QuickDraw graphics engine: operations for drawing lines, arcs, rectangles, rounded rectangles, ovals, polygons, regions, text strings, and pixel maps (bitmaps). This opcode-based approach means PICT files are not simply pixel grids but rather programmatic descriptions of how to draw the image, combining resolution-independent vector elements with pixel data in a unified stream. The PICT 2 revision, introduced with the Macintosh II and Color QuickDraw in 1987, extended the format to handle 24-bit color, multiple pixel depths, extended color spaces, and embedded JPEG and PackBits compressed data. PICT was integral to the Macintosh user experience: system clipboard operations (Copy/Paste), screen capture, printing, and inter-application data exchange all used PICT as the common visual representation. One advantage is historical comprehensiveness: PICT files from the classic Mac era capture both the visual output and the drawing methodology of Mac applications, preserving not just the image but the QuickDraw operations that produced it — valuable for understanding the visual computing paradigm of early Macintosh software. The format's extensive use in desktop publishing during the DTP revolution of the late 1980s provides another dimension of historical importance. PICT files are readable by macOS Preview, ImageMagick, XnView, LibreOffice, and GraphicConverter.
Developer: Apple Computer
Initial release: 1984
OTB (Over-the-Air Bitmap) is a monochrome image format developed by Nokia as part of their Smart Messaging specification in 1997, designed for transmitting small graphics — operator logos, group graphics, and picture messages — to Nokia mobile phones via SMS. OTB files contain 1-bit (black and white) images at small fixed resolutions, typically 72x14 pixels for operator logos and 72x28 pixels for group graphics, encoded in a compact binary format suitable for embedding within the payload of SMS text messages. The format uses a simple structure: a header byte indicating whether the image is an operator logo or group graphic, width and height values, and the raw bitmap data where each bit represents one pixel packed eight per byte. The extremely tight format — designed to fit within a single SMS message (140 bytes maximum payload, shared with addressing overhead) — reflects the severe constraints of mobile communication in the late 1990s. Nokia's Smart Messaging system was one of the first commercial implementations of rich content delivery to mobile phones, and OTB images represented the entire visual content capability of Nokia handsets before MMS and mobile data browsing arrived. One advantage is the format's historical role as a pioneer of mobile visual messaging: OTB images were among the first graphics that ordinary consumers could send to each other's phones, predating MMS, camera phones, and smartphones by nearly a decade. The format's minimal footprint is another characteristic — entire images fit in a few dozen bytes, reflecting an era of extreme bandwidth constraints. OTB files are supported by ImageMagick, various Nokia phone management tools, and specialty mobile format utilities.
Developer: Nokia
Initial release: 1997

Frequently Asked Questions

Why convert PICT to OTB?

PICT files from legacy Mac documents are inaccessible on modern systems. Converting to OTB makes them usable on Windows, macOS, and Linux.

What programs open OTB files?

Nokia and legacy mobile devices, GIMP, and mobile development tools for creating over-the-air bitmaps.

Can I convert multiple PICT files at once?

Yes — Convertio supports batch uploads. Queue several PICT files and convert them all to OTB in one session, saving time on repetitive tasks.

Is the conversion fast?

Yes — PICT to OTB conversion on Convertio runs on cloud servers and completes in seconds for typical image files.

Are colors preserved during conversion?

Color data from the PICT file is mapped accurately into OTB. The conversion maintains the original color profile as closely as the target format allows.

What platforms are supported?

Any device with a web browser — Windows, macOS, Linux, iOS, Android, and Chrome OS. No software installation is needed for the conversion.