diff --git a/.gitignore b/.gitignore
index f0947c1..7edf15e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /web/static/photos
 database.sqlite
 settings.json
+pgdump.sql
diff --git a/cmd/nonshy/main.go b/cmd/nonshy/main.go
index df72fd1..a8ab1a4 100644
--- a/cmd/nonshy/main.go
+++ b/cmd/nonshy/main.go
@@ -8,6 +8,7 @@ import (
 	"code.nonshy.com/nonshy/website/pkg/config"
 	"code.nonshy.com/nonshy/website/pkg/log"
 	"code.nonshy.com/nonshy/website/pkg/models"
+	"code.nonshy.com/nonshy/website/pkg/models/backfill"
 	"code.nonshy.com/nonshy/website/pkg/redis"
 	"github.com/urfave/cli/v2"
 	"gorm.io/driver/postgres"
@@ -133,6 +134,27 @@ func main() {
 					},
 				},
 			},
+			{
+				Name:  "backfill",
+				Usage: "One-off maintenance tasks and data backfills for database migrations",
+				Subcommands: []*cli.Command{
+					{
+						Name:  "filesizes",
+						Usage: "repopulate Filesizes on all photos and comment_photos which have a zero stored in the DB",
+						Action: func(c *cli.Context) error {
+							initdb(c)
+
+							log.Info("Running BackfillFilesizes()")
+							err := backfill.BackfillFilesizes()
+							if err != nil {
+								return err
+							}
+
+							return nil
+						},
+					},
+				},
+			},
 		},
 	}
 
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 6f92b64..a4500c9 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -86,7 +86,7 @@ const (
 
 	// Quotas for uploaded photos.
 	PhotoQuotaUncertified = 6
-	PhotoQuotaCertified   = 24
+	PhotoQuotaCertified   = 100
 )
 
 // Forum settings
diff --git a/pkg/models/backfill/backfill_filesize.go b/pkg/models/backfill/backfill_filesize.go
new file mode 100644
index 0000000..ec92997
--- /dev/null
+++ b/pkg/models/backfill/backfill_filesize.go
@@ -0,0 +1,64 @@
+package backfill
+
+import (
+	"os"
+
+	"code.nonshy.com/nonshy/website/pkg/log"
+	"code.nonshy.com/nonshy/website/pkg/models"
+	"code.nonshy.com/nonshy/website/pkg/photo"
+)
+
+// BackfillFilesizes finds Photos and CommentPhotos which have a zero Filesize and recomputes them.
+func BackfillFilesizes() error {
+	// Find Photos with a filesize of zero.
+	var (
+		photos        []*models.Photo
+		commentPhotos []*models.CommentPhoto
+	)
+
+	// Query for photos w/ zero filesize.
+	result := models.DB.Model(&models.Photo{}).Where("filesize = 0").Find(&photos)
+	if result.Error != nil {
+		return result.Error
+	}
+
+	// And CommentPhotos too.
+	result = models.DB.Model(&models.CommentPhoto{}).Where("filesize = 0").Find(&commentPhotos)
+	if result.Error != nil {
+		return result.Error
+	}
+
+	// Do the Photos.
+	for i, row := range photos {
+		// Set the filesize from disk.
+		if stat, err := os.Stat(photo.DiskPath(row.Filename)); err == nil {
+			row.Filesize = stat.Size()
+		}
+
+		log.Info("[%d of %d] Update photo %d: %s filesize=%d",
+			i+1, len(photos), row.ID, row.Filename, row.Filesize,
+		)
+
+		if err := row.Save(); err != nil {
+			return err
+		}
+	}
+
+	// And same for the CommentPhotos.
+	for i, row := range commentPhotos {
+		// Set the filesize from disk.
+		if stat, err := os.Stat(photo.DiskPath(row.Filename)); err == nil {
+			row.Filesize = stat.Size()
+		}
+
+		log.Info("[%d of %d] Update comment_photo %d: %s filesize=%d",
+			i+1, len(photos), row.ID, row.Filename, row.Filesize,
+		)
+
+		if err := row.Save(); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
diff --git a/pkg/models/comment_photo.go b/pkg/models/comment_photo.go
index 09512bb..7bbbf98 100644
--- a/pkg/models/comment_photo.go
+++ b/pkg/models/comment_photo.go
@@ -22,6 +22,7 @@ func CreateCommentPhoto(tmpl CommentPhoto) (*CommentPhoto, error) {
 		CommentID: tmpl.CommentID,
 		UserID:    tmpl.UserID,
 		Filename:  tmpl.Filename,
+		Filesize:  tmpl.Filesize,
 	}
 
 	result := DB.Create(p)
diff --git a/pkg/models/data_backfills.go b/pkg/models/data_backfills.go
new file mode 100644
index 0000000..2640e7f
--- /dev/null
+++ b/pkg/models/data_backfills.go
@@ -0,0 +1 @@
+package models
diff --git a/pkg/models/photo.go b/pkg/models/photo.go
index a46200b..e0dd5ae 100644
--- a/pkg/models/photo.go
+++ b/pkg/models/photo.go
@@ -60,6 +60,7 @@ func CreatePhoto(tmpl Photo) (*Photo, error) {
 		UserID:          tmpl.UserID,
 		Filename:        tmpl.Filename,
 		CroppedFilename: tmpl.CroppedFilename,
+		Filesize:        tmpl.Filesize,
 		Caption:         tmpl.Caption,
 		Visibility:      tmpl.Visibility,
 		Gallery:         tmpl.Gallery,