diff --git a/README.md b/README.md
index 228d476..1141c04 100644
--- a/README.md
+++ b/README.md
@@ -140,6 +140,8 @@ export interface EncoderConfig {
 	postFix: string
 	/** extension of the new file (e.g. .mp4) */
 	extension?: string
+	/** custom options. Ignores all other options */
+	custom?: string
 	/** discard streams */
 	discard?: {
 		video?: boolean
diff --git a/src/background/renderer.ts b/src/background/renderer.ts
index a0ba5d4..4d5111b 100644
--- a/src/background/renderer.ts
+++ b/src/background/renderer.ts
@@ -73,6 +73,12 @@ export class Renderer extends EventEmitter {
 	private _getProcessArgs(step: RenderWorkstep) {
 		const args = ['-y', '-i', `"${step.input}"`]
 
+		if (step.encoderConfig.custom) {
+			args.push(step.encoderConfig.custom)
+			args.push(`"${step.output}"`)
+			return args
+		}
+
 		const discard = step.encoderConfig.discard || {}
 
 		if (discard.video) {
diff --git a/src/types/config.ts b/src/types/config.ts
index ec9154d..7372184 100644
--- a/src/types/config.ts
+++ b/src/types/config.ts
@@ -10,6 +10,8 @@ export interface EncoderConfig {
 	postFix: string
 	/** extension of the new file (e.g. .mp4) */
 	extension?: string
+	/** custom options. Ignores all other options */
+	custom?: string
 	/** discard streams */
 	discard?: {
 		video?: boolean