diff --git a/ChangeLog.md b/ChangeLog.md
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+++ b/ChangeLog.md
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+# Changelog for simple-media-timestamp-formatting
+
+## v0.1.0.0
+
+* Add formatters for ffmpeg's timestamp format and srt's timestamp format.
diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+Copyright Daniel Firth (c) 2021
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Author name here nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
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+# simple-media-timestamp-formatting
+
+Formatting for
+[simple-media-timestamp](https://hackage.haskell.org/package/simple-media-timestamp).
diff --git a/simple-media-timestamp-formatting.cabal b/simple-media-timestamp-formatting.cabal
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+++ b/simple-media-timestamp-formatting.cabal
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+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.34.4.
+--
+-- see: https://github.com/sol/hpack
+
+name:           simple-media-timestamp-formatting
+version:        0.1.0.0
+synopsis:       Formatting for simple-media-timestamp
+description:    Please see the README on GitHub at <https://github.com/githubuser/simple-media-timestamp-formatting#readme>
+category:       Media
+author:         Daniel Firth
+maintainer:     dan.firth@homotopic.tech
+copyright:      2021 Daniel Firth
+license:        MIT
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+    ChangeLog.md
+
+source-repository head
+  type: git
+  location: https://gitlab.com/homotopic-tech/simple-media-timestamp-formatting
+
+library
+  exposed-modules:
+      Media.Timestamp.Formatting
+  other-modules:
+      Paths_simple_media_timestamp_formatting
+  hs-source-dirs:
+      src
+  build-depends:
+      base >=4.7 && <5
+    , formatting >=7.0.0 && <7.2
+    , simple-media-timestamp >=0.2.0.0 && <0.3
+  default-language: Haskell2010
diff --git a/src/Media/Timestamp/Formatting.hs b/src/Media/Timestamp/Formatting.hs
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--- /dev/null
+++ b/src/Media/Timestamp/Formatting.hs
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+{-# LANGUAGE OverloadedStrings #-}
+
+-- |
+--   Module    : Media.Timestamp.Formatting
+--   License   : MIT
+--   Stability : experimental
+--
+-- Formatting for `Media.Timestamp`.
+module Media.Timestamp.Formatting
+  ( timef,
+    timecf,
+  )
+where
+
+import Formatting
+import Media.Timestamp
+
+-- | Formats a `Time` as `hh:mm:ss.mmm`. This is ffmpeg's format.
+--
+-- @since 0.1.0.0
+timef :: Format r (Time -> r)
+timef = accessed hour int % ":" <> accessed minute int % ":" <> accessed second int % "." <> accessed millisecond int
+
+-- | Formats a `Time` as `hh:mm:ss,mmm`. This is .srt format.
+--
+-- @since 0.1.0.0
+timecf :: Format r (Time -> r)
+timecf = accessed hour int % ":" <> accessed minute int % ":" <> accessed second int % "," <> accessed millisecond int