diff --git a/common/post.ts b/common/post.ts
new file mode 100644
index 00000000..05eab685
--- /dev/null
+++ b/common/post.ts
@@ -0,0 +1,12 @@
+import { JSONContent } from '@tiptap/core'
+
+export type Post = {
+  id: string
+  title: string
+  content: JSONContent
+  creatorId: string // User id
+  createdTime: number
+  slug: string
+}
+
+export const MAX_POST_TITLE_LENGTH = 480
diff --git a/firestore.rules b/firestore.rules
index 4cd718d3..fe45071b 100644
--- a/firestore.rules
+++ b/firestore.rules
@@ -175,5 +175,14 @@ service cloud.firestore {
             allow create: if request.auth != null && commentMatchesUser(request.auth.uid, request.resource.data) && isMember();
           }
         }
+
+      match /posts/{postId} {
+        allow read;
+        allow update: if request.auth.uid == resource.data.creatorId
+                         && request.resource.data.diff(resource.data)
+                         .affectedKeys()
+                         .hasOnly(['name', 'content']);
+        allow delete: if request.auth.uid == resource.data.creatorId;
+      }
   }
 }
diff --git a/functions/src/create-post.ts b/functions/src/create-post.ts
new file mode 100644
index 00000000..40d39bba
--- /dev/null
+++ b/functions/src/create-post.ts
@@ -0,0 +1,83 @@
+import * as admin from 'firebase-admin'
+
+import { getUser } from './utils'
+import { slugify } from '../../common/util/slugify'
+import { randomString } from '../../common/util/random'
+import { Post, MAX_POST_TITLE_LENGTH } from '../../common/post'
+import { APIError, newEndpoint, validate } from './api'
+import { JSONContent } from '@tiptap/core'
+import { z } from 'zod'
+
+const contentSchema: z.ZodType<JSONContent> = z.lazy(() =>
+  z.intersection(
+    z.record(z.any()),
+    z.object({
+      type: z.string().optional(),
+      attrs: z.record(z.any()).optional(),
+      content: z.array(contentSchema).optional(),
+      marks: z
+        .array(
+          z.intersection(
+            z.record(z.any()),
+            z.object({
+              type: z.string(),
+              attrs: z.record(z.any()).optional(),
+            })
+          )
+        )
+        .optional(),
+      text: z.string().optional(),
+    })
+  )
+)
+
+const postSchema = z.object({
+  title: z.string().min(1).max(MAX_POST_TITLE_LENGTH),
+  content: contentSchema,
+})
+
+export const createpost = newEndpoint({}, async (req, auth) => {
+  const firestore = admin.firestore()
+  const { title, content } = validate(postSchema, req.body)
+
+  const creator = await getUser(auth.uid)
+  if (!creator)
+    throw new APIError(400, 'No user exists with the authenticated user ID.')
+
+  console.log('creating post owned by', creator.username, 'titled', title)
+
+  const slug = await getSlug(title)
+
+  const postRef = firestore.collection('posts').doc()
+
+  const post: Post = {
+    id: postRef.id,
+    creatorId: creator.id,
+    slug,
+    title,
+    createdTime: Date.now(),
+    content: content,
+  }
+
+  await postRef.create(post)
+
+  return { status: 'success', post }
+})
+
+export const getSlug = async (title: string) => {
+  const proposedSlug = slugify(title)
+
+  const preexistingPost = await getPostFromSlug(proposedSlug)
+
+  return preexistingPost ? proposedSlug + '-' + randomString() : proposedSlug
+}
+
+export async function getPostFromSlug(slug: string) {
+  const firestore = admin.firestore()
+  const snap = await firestore
+    .collection('posts')
+    .where('slug', '==', slug)
+    .get()
+
+  return snap.empty ? undefined : (snap.docs[0].data() as Post)
+}
diff --git a/functions/src/index.ts b/functions/src/index.ts
index 012ba241..32bc16c4 100644
--- a/functions/src/index.ts
+++ b/functions/src/index.ts
@@ -72,6 +72,7 @@ import { stripewebhook, createcheckoutsession } from './stripe'
 import { getcurrentuser } from './get-current-user'
 import { acceptchallenge } from './accept-challenge'
 import { getcustomtoken } from './get-custom-token'
+import { createpost } from './create-post'
 
 const toCloudFunction = ({ opts, handler }: EndpointDefinition) => {
   return onRequest(opts, handler as any)
@@ -97,6 +98,7 @@ const createCheckoutSessionFunction = toCloudFunction(createcheckoutsession)
 const getCurrentUserFunction = toCloudFunction(getcurrentuser)
 const acceptChallenge = toCloudFunction(acceptchallenge)
 const getCustomTokenFunction = toCloudFunction(getcustomtoken)
+const createPostFunction = toCloudFunction(createpost)
 
 export {
   healthFunction as health,
@@ -120,4 +122,5 @@ export {
   getCurrentUserFunction as getcurrentuser,
   acceptChallenge as acceptchallenge,
   getCustomTokenFunction as getcustomtoken,
+  createPostFunction as createpost,
 }
diff --git a/functions/src/serve.ts b/functions/src/serve.ts
index 8d848f7f..db847a70 100644
--- a/functions/src/serve.ts
+++ b/functions/src/serve.ts
@@ -27,6 +27,7 @@ import { unsubscribe } from './unsubscribe'
 import { stripewebhook, createcheckoutsession } from './stripe'
 import { getcurrentuser } from './get-current-user'
 import { getcustomtoken } from './get-custom-token'
+import { createpost } from './create-post'
 
 type Middleware = (req: Request, res: Response, next: NextFunction) => void
 const app = express()
@@ -67,6 +68,7 @@ addJsonEndpointRoute('/createcheckoutsession', createcheckoutsession)
 addJsonEndpointRoute('/getcurrentuser', getcurrentuser)
 addEndpointRoute('/getcustomtoken', getcustomtoken)
 addEndpointRoute('/stripewebhook', stripewebhook, express.raw())
+addEndpointRoute('/createpost', createpost)
 
 app.listen(PORT)
 console.log(`Serving functions on port ${PORT}.`)
diff --git a/functions/src/utils.ts b/functions/src/utils.ts
index 2d620728..a0878e4f 100644
--- a/functions/src/utils.ts
+++ b/functions/src/utils.ts
@@ -4,6 +4,7 @@ import { chunk } from 'lodash'
 import { Contract } from '../../common/contract'
 import { PrivateUser, User } from '../../common/user'
 import { Group } from '../../common/group'
+import { Post } from 'common/post'
 
 export const log = (...args: unknown[]) => {
   console.log(`[${new Date().toISOString()}]`, ...args)
@@ -80,6 +81,10 @@ export const getGroup = (groupId: string) => {
   return getDoc<Group>('groups', groupId)
 }
 
+export const getPost = (postId: string) => {
+  return getDoc<Post>('posts', postId)
+}
+
 export const getUser = (userId: string) => {
   return getDoc<User>('users', userId)
 }
diff --git a/web/components/file-upload-button.tsx b/web/components/file-upload-button.tsx
index 3ff15d91..0872fc1b 100644
--- a/web/components/file-upload-button.tsx
+++ b/web/components/file-upload-button.tsx
@@ -10,7 +10,11 @@ export function FileUploadButton(props: {
   const ref = useRef<HTMLInputElement>(null)
   return (
     <>
-      <button className={className} onClick={() => ref.current?.click()}>
+      <button
+        type={'button'}
+        className={className}
+        onClick={() => ref.current?.click()}
+      >
         {children}
       </button>
       <input
diff --git a/web/components/share-post-modal.tsx b/web/components/share-post-modal.tsx
new file mode 100644
index 00000000..fa8658c6
--- /dev/null
+++ b/web/components/share-post-modal.tsx
@@ -0,0 +1,46 @@
+import { LinkIcon } from '@heroicons/react/outline'
+import toast from 'react-hot-toast'
+import { copyToClipboard } from 'web/lib/util/copy'
+import { track } from 'web/lib/service/analytics'
+import { Modal } from './layout/modal'
+import { Col } from './layout/col'
+import { Title } from './title'
+import { Button } from './button'
+import { TweetButton } from './tweet-button'
+import { Row } from './layout/row'
+
+export function SharePostModal(props: {
+  shareUrl: string
+  isOpen: boolean
+  setOpen: (open: boolean) => void
+}) {
+  const { isOpen, setOpen, shareUrl } = props
+
+  const linkIcon = <LinkIcon className="mr-2 h-6 w-6" aria-hidden="true" />
+
+  return (
+    <Modal open={isOpen} setOpen={setOpen} size="md">
+      <Col className="gap-4 rounded bg-white p-4">
+        <Title className="!mt-0 !mb-2" text="Share this post" />
+        <Button
+          size="2xl"
+          color="gradient"
+          className={'mb-2 flex max-w-xs self-center'}
+          onClick={() => {
+            copyToClipboard(shareUrl)
+            toast.success('Link copied!', {
+              icon: linkIcon,
+            })
+            track('copy share post link')
+          }}
+        >
+          {linkIcon} Copy link
+        </Button>
+
+        <Row className="z-0 justify-start gap-4 self-center">
+          <TweetButton className="self-start" tweetText={shareUrl} />
+        </Row>
+      </Col>
+    </Modal>
+  )
+}
diff --git a/web/lib/firebase/api.ts b/web/lib/firebase/api.ts
index 5f250ce7..6b1b43d8 100644
--- a/web/lib/firebase/api.ts
+++ b/web/lib/firebase/api.ts
@@ -1,5 +1,6 @@
 import { auth } from './users'
 import { APIError, getFunctionUrl } from 'common/api'
+import { JSONContent } from '@tiptap/core'
 export { APIError } from 'common/api'
 
 export async function call(url: string, method: string, params: any) {
@@ -88,3 +89,7 @@ export function acceptChallenge(params: any) {
 export function getCurrentUser(params: any) {
   return call(getFunctionUrl('getcurrentuser'), 'GET', params)
 }
+
+export function createPost(params: { title: string; content: JSONContent }) {
+  return call(getFunctionUrl('createpost'), 'POST', params)
+}
diff --git a/web/lib/firebase/posts.ts b/web/lib/firebase/posts.ts
new file mode 100644
index 00000000..10bea499
--- /dev/null
+++ b/web/lib/firebase/posts.ts
@@ -0,0 +1,34 @@
+import {
+  deleteDoc,
+  doc,
+  getDocs,
+  query,
+  updateDoc,
+  where,
+} from 'firebase/firestore'
+import { Post } from 'common/post'
+import { coll, getValue } from './utils'
+
+export const posts = coll<Post>('posts')
+
+export function postPath(postSlug: string) {
+  return `/post/${postSlug}`
+}
+
+export function updatePost(post: Post, updates: Partial<Post>) {
+  return updateDoc(doc(posts, post.id), updates)
+}
+
+export function deletePost(post: Post) {
+  return deleteDoc(doc(posts, post.id))
+}
+
+export function getPost(postId: string) {
+  return getValue<Post>(doc(posts, postId))
+}
+
+export async function getPostBySlug(slug: string) {
+  const q = query(posts, where('slug', '==', slug))
+  const docs = (await getDocs(q)).docs
+  return docs.length === 0 ? null : docs[0].data()
+}
diff --git a/web/pages/create-post.tsx b/web/pages/create-post.tsx
new file mode 100644
index 00000000..f88f56a5
--- /dev/null
+++ b/web/pages/create-post.tsx
@@ -0,0 +1,93 @@
+import { useState } from 'react'
+import { Spacer } from 'web/components/layout/spacer'
+import { Page } from 'web/components/page'
+import { Title } from 'web/components/title'
+import Textarea from 'react-expanding-textarea'
+
+import { TextEditor, useTextEditor } from 'web/components/editor'
+import { createPost } from 'web/lib/firebase/api'
+import clsx from 'clsx'
+import Router from 'next/router'
+import { MAX_POST_TITLE_LENGTH } from 'common/post'
+import { postPath } from 'web/lib/firebase/posts'
+
+export default function CreatePost() {
+  const [title, setTitle] = useState('')
+  const [error, setError] = useState('')
+  const [isSubmitting, setIsSubmitting] = useState(false)
+
+  const { editor, upload } = useTextEditor({
+    disabled: isSubmitting,
+  })
+
+  const isValid = editor && title.length > 0 && editor.isEmpty === false
+
+  async function savePost(title: string) {
+    if (!editor) return
+    const newPost = {
+      title: title,
+      content: editor.getJSON(),
+    }
+
+    const result = await createPost(newPost).catch((e) => {
+      console.log(e)
+      setError('There was an error creating the post, please try again')
+      return e
+    })
+    if (result.post) {
+      await Router.push(postPath(result.post.slug))
+    }
+  }
+
+  return (
+    <Page>
+      <div className="mx-auto w-full max-w-2xl">
+        <div className="rounded-lg px-6 py-4 sm:py-0">
+          <Title className="!mt-0" text="Create a post" />
+          <form>
+            <div className="form-control w-full">
+              <label className="label">
+                <span className="mb-1">
+                  Title<span className={'text-red-700'}> *</span>
+                </span>
+              </label>
+              <Textarea
+                placeholder="e.g. Elon Mania Post"
+                className="input input-bordered resize-none"
+                autoFocus
+                maxLength={MAX_POST_TITLE_LENGTH}
+                value={title}
+                onChange={(e) => setTitle(e.target.value || '')}
+              />
+              <Spacer h={6} />
+              <label className="label">
+                <span className="mb-1">
+                  Content<span className={'text-red-700'}> *</span>
+                </span>
+              </label>
+              <TextEditor editor={editor} upload={upload} />
+              <Spacer h={6} />
+
+              <button
+                type="submit"
+                className={clsx(
+                  'btn btn-primary normal-case',
+                  isSubmitting && 'loading disabled'
+                )}
+                disabled={isSubmitting || !isValid || upload.isLoading}
+                onClick={async () => {
+                  setIsSubmitting(true)
+                  await savePost(title)
+                  setIsSubmitting(false)
+                }}
+              >
+                {isSubmitting ? 'Creating...' : 'Create a post'}
+              </button>
+              {error !== '' && <div className="text-red-700">{error}</div>}
+            </div>
+          </form>
+        </div>
+      </div>
+    </Page>
+  )
+}
diff --git a/web/pages/post/[...slugs]/index.tsx b/web/pages/post/[...slugs]/index.tsx
new file mode 100644
index 00000000..41c0d775
--- /dev/null
+++ b/web/pages/post/[...slugs]/index.tsx
@@ -0,0 +1,97 @@
+import { Page } from 'web/components/page'
+
+import { postPath, getPostBySlug } from 'web/lib/firebase/posts'
+import { Post } from 'common/post'
+import { Title } from 'web/components/title'
+import { Spacer } from 'web/components/layout/spacer'
+import { Content } from 'web/components/editor'
+import { UserLink } from 'web/components/user-page'
+import { getUser, User } from 'web/lib/firebase/users'
+import { ShareIcon } from '@heroicons/react/solid'
+import clsx from 'clsx'
+import { Button } from 'web/components/button'
+import { useState } from 'react'
+import { SharePostModal } from 'web/components/share-post-modal'
+import { Row } from 'web/components/layout/row'
+import { Col } from 'web/components/layout/col'
+import { ENV_CONFIG } from 'common/envs/constants'
+import Custom404 from 'web/pages/404'
+
+export async function getStaticProps(props: { params: { slugs: string[] } }) {
+  const { slugs } = props.params
+
+  const post = await getPostBySlug(slugs[0])
+  const creator = post ? await getUser(post.creatorId) : null
+
+  return {
+    props: {
+      post: post,
+      creator: creator,
+    },
+
+    revalidate: 60, // regenerate after a minute
+  }
+}
+
+export async function getStaticPaths() {
+  return { paths: [], fallback: 'blocking' }
+}
+
+export default function PostPage(props: { post: Post; creator: User }) {
+  const [isShareOpen, setShareOpen] = useState(false)
+
+  if (props.post == null) {
+    return <Custom404 />
+  }
+
+  const shareUrl = `https://${ENV_CONFIG.domain}${postPath(props?.post.slug)}`
+
+  return (
+    <Page>
+      <div className="mx-auto w-full max-w-3xl ">
+        <Spacer h={1} />
+        <Title className="!mt-0" text={props.post.title} />
+        <Row>
+          <Col className="flex-1">
+            <div className={'inline-flex'}>
+              <div className="mr-1 text-gray-500">Created by</div>
+              <UserLink
+                className="text-neutral"
+                name={props.creator.name}
+                username={props.creator.username}
+              />
+            </div>
+          </Col>
+          <Col>
+            <Button
+              size="lg"
+              color="gray-white"
+              className={'flex'}
+              onClick={() => {
+                setShareOpen(true)
+              }}
+            >
+              <ShareIcon
+                className={clsx('mr-2 h-[24px] w-5')}
+                aria-hidden="true"
+              />
+              Share
+              <SharePostModal
+                isOpen={isShareOpen}
+                setOpen={setShareOpen}
+                shareUrl={shareUrl}
+              />
+            </Button>
+          </Col>
+        </Row>
+
+        <Spacer h={2} />
+        <div className="rounded-lg bg-white px-6 py-4 sm:py-0">
+          <div className="form-control w-full py-2">
+            <Content content={props.post.content} />
+          </div>
+        </div>
+      </div>
+    </Page>
+  )
+}