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Format guide

What is Kotlin?

Kotlin source file is a kotlin source file stored as plain text for compilers and editors, created by Language / tooling ecosystem. Kotlin files are source text. Convert between text formats for docs or archives — keep originals in version control.

Kotlin format specifications

Full name
Kotlin source file
Kind
source code / plain text
File extension
.kt
MIME type
text/x-kotlin
Developer / standard
Language / tooling ecosystem
Compression
None (plain text)
Quality model
Lossless / not lossy
Container
No / single bitstream typical
Common codecs
—
Technical sources
—
Transparency
Not supported
Animation
No (still / non-animated typical use)
Typical size
Tiny to moderate depending on project size
Browser support
Opened as text/download — not a visual format
Compatibility
Any code editor; language tooling varies

Kotlin compression & quality

Kotlin is plain text. “Compression” only applies if you ZIP/GZ the file for transport.

Quality: Exact text — no visual compression

Typical size: Tiny to moderate depending on project size

Transparency & animation

Not an image format — transparency does not apply.

Not an animation format.

Kotlin metadata

Usually none beyond encoding and editor settings.

Best use cases for Kotlin

  • Kotlin projects
  • Source control
  • Code review and diffs

When to avoid Kotlin

  • End-user document sharing
  • Non-technical email attachments without context

Advantages

  • Human-readable
  • Diff-friendly
  • Tiny compared with binaries

Disadvantages

  • Not a user document format
  • Needs the right runtime/toolchain
  • Easy to break with bad encoding

Compatibility

Any code editor; language tooling varies

Browsers: Opened as text/download — not a visual format

Software support

  • VS Code
  • JetBrains IDEs
  • Git
  • Format Convertly (text paths)

Device support

  • Developer workstations

How to open Kotlin

Open Kotlin files in any code editor (VS Code, Vim, JetBrains).

How to convert Kotlin

Convert Kotlin to other text formats (TXT, MD, PDF where supported) privately in Format Convertly — do not upload proprietary source to random sites.

Popular Kotlin conversions

Related formats

Kotlin tools

Tools extend the format graph beyond one-off conversion — compression, metadata, and utilities for real workflows.

Kotlin FAQ

What is a Kotlin file?

Kotlin is Kotlin source file. It is plain text source for developers.

Is converting Kotlin lossy?

Text conversion is usually lossless for characters, but formatting/semantics can change if you target documents like PDF/DOCX.

Are my Kotlin files uploaded on Format Convertly?

No. Kotlin conversion runs in your browser. Files are not sent to Format Convertly servers for processing.