diff --git a/server/helpers/core-utils.ts b/server/helpers/core-utils.ts
index 0ec45eb2e..6ebe8e2ac 100644
--- a/server/helpers/core-utils.ts
+++ b/server/helpers/core-utils.ts
@@ -56,6 +56,7 @@ const timeTable = {
 export function parseDurationToMs (duration: number | string): number {
   if (duration === null) return null
   if (typeof duration === 'number') return duration
+  if (!isNaN(+duration)) return +duration
 
   if (typeof duration === 'string') {
     const split = duration.match(/^([\d.,]+)\s?(\w+)$/)
@@ -76,6 +77,7 @@ export function parseDurationToMs (duration: number | string): number {
 
 export function parseBytes (value: string | number): number {
   if (typeof value === 'number') return value
+  if (!isNaN(+value)) return +value
 
   const tgm = /^(\d+)\s*TB\s*(\d+)\s*GB\s*(\d+)\s*MB$/
   const tg = /^(\d+)\s*TB\s*(\d+)\s*GB$/
@@ -85,40 +87,55 @@ export function parseBytes (value: string | number): number {
   const g = /^(\d+)\s*GB$/
   const m = /^(\d+)\s*MB$/
   const b = /^(\d+)\s*B$/
-  let match
+
+  let match: RegExpMatchArray
 
   if (value.match(tgm)) {
     match = value.match(tgm)
     return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 +
       parseInt(match[2], 10) * 1024 * 1024 * 1024 +
       parseInt(match[3], 10) * 1024 * 1024
-  } else if (value.match(tg)) {
+  }
+
+  if (value.match(tg)) {
     match = value.match(tg)
     return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 +
       parseInt(match[2], 10) * 1024 * 1024 * 1024
-  } else if (value.match(tm)) {
+  }
+
+  if (value.match(tm)) {
     match = value.match(tm)
     return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 +
       parseInt(match[2], 10) * 1024 * 1024
-  } else if (value.match(gm)) {
+  }
+
+  if (value.match(gm)) {
     match = value.match(gm)
     return parseInt(match[1], 10) * 1024 * 1024 * 1024 +
       parseInt(match[2], 10) * 1024 * 1024
-  } else if (value.match(t)) {
+  }
+
+  if (value.match(t)) {
     match = value.match(t)
     return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024
-  } else if (value.match(g)) {
+  }
+
+  if (value.match(g)) {
     match = value.match(g)
     return parseInt(match[1], 10) * 1024 * 1024 * 1024
-  } else if (value.match(m)) {
+  }
+
+  if (value.match(m)) {
     match = value.match(m)
     return parseInt(match[1], 10) * 1024 * 1024
-  } else if (value.match(b)) {
+  }
+
+  if (value.match(b)) {
     match = value.match(b)
     return parseInt(match[1], 10) * 1024
-  } else {
-    return parseInt(value, 10)
   }
+
+  return parseInt(value, 10)
 }
 
 // ---------------------------------------------------------------------------
diff --git a/server/tests/helpers/core-utils.ts b/server/tests/helpers/core-utils.ts
index fa0a71341..e3e5eb45c 100644
--- a/server/tests/helpers/core-utils.ts
+++ b/server/tests/helpers/core-utils.ts
@@ -6,47 +6,64 @@ import { snakeCase } from 'lodash'
 import validator from 'validator'
 import { getAverageBitrate, getMaxBitrate } from '@shared/core-utils'
 import { VideoResolution } from '@shared/models'
-import { objectConverter, parseBytes } from '../../helpers/core-utils'
+import { objectConverter, parseBytes, parseDurationToMs } from '../../helpers/core-utils'
 
 const expect = chai.expect
 
 describe('Parse Bytes', function () {
 
-  it('Should pass when given valid value', async function () {
+  it('Should pass on valid value', async function () {
     // just return it
-    expect(parseBytes(1024)).to.be.eq(1024)
-    expect(parseBytes(1048576)).to.be.eq(1048576)
-    expect(parseBytes('1024')).to.be.eq(1024)
-    expect(parseBytes('1048576')).to.be.eq(1048576)
+    expect(parseBytes(-1024)).to.equal(-1024)
+    expect(parseBytes(1024)).to.equal(1024)
+    expect(parseBytes(1048576)).to.equal(1048576)
+    expect(parseBytes('1024')).to.equal(1024)
+    expect(parseBytes('1048576')).to.equal(1048576)
 
     // sizes
-    expect(parseBytes('1B')).to.be.eq(1024)
-    expect(parseBytes('1MB')).to.be.eq(1048576)
-    expect(parseBytes('1GB')).to.be.eq(1073741824)
-    expect(parseBytes('1TB')).to.be.eq(1099511627776)
+    expect(parseBytes('1B')).to.equal(1024)
+    expect(parseBytes('1MB')).to.equal(1048576)
+    expect(parseBytes('1GB')).to.equal(1073741824)
+    expect(parseBytes('1TB')).to.equal(1099511627776)
 
-    expect(parseBytes('5GB')).to.be.eq(5368709120)
-    expect(parseBytes('5TB')).to.be.eq(5497558138880)
+    expect(parseBytes('5GB')).to.equal(5368709120)
+    expect(parseBytes('5TB')).to.equal(5497558138880)
 
-    expect(parseBytes('1024B')).to.be.eq(1048576)
-    expect(parseBytes('1024MB')).to.be.eq(1073741824)
-    expect(parseBytes('1024GB')).to.be.eq(1099511627776)
-    expect(parseBytes('1024TB')).to.be.eq(1125899906842624)
+    expect(parseBytes('1024B')).to.equal(1048576)
+    expect(parseBytes('1024MB')).to.equal(1073741824)
+    expect(parseBytes('1024GB')).to.equal(1099511627776)
+    expect(parseBytes('1024TB')).to.equal(1125899906842624)
 
     // with whitespace
-    expect(parseBytes('1 GB')).to.be.eq(1073741824)
-    expect(parseBytes('1\tGB')).to.be.eq(1073741824)
+    expect(parseBytes('1 GB')).to.equal(1073741824)
+    expect(parseBytes('1\tGB')).to.equal(1073741824)
 
     // sum value
-    expect(parseBytes('1TB 1024MB')).to.be.eq(1100585369600)
-    expect(parseBytes('4GB 1024MB')).to.be.eq(5368709120)
-    expect(parseBytes('4TB 1024GB')).to.be.eq(5497558138880)
-    expect(parseBytes('4TB 1024GB 0MB')).to.be.eq(5497558138880)
-    expect(parseBytes('1024TB 1024GB 1024MB')).to.be.eq(1127000492212224)
+    expect(parseBytes('1TB 1024MB')).to.equal(1100585369600)
+    expect(parseBytes('4GB 1024MB')).to.equal(5368709120)
+    expect(parseBytes('4TB 1024GB')).to.equal(5497558138880)
+    expect(parseBytes('4TB 1024GB 0MB')).to.equal(5497558138880)
+    expect(parseBytes('1024TB 1024GB 1024MB')).to.equal(1127000492212224)
   })
 
   it('Should be invalid when given invalid value', async function () {
-    expect(parseBytes('6GB 1GB')).to.be.eq(6)
+    expect(parseBytes('6GB 1GB')).to.equal(6)
+  })
+})
+
+describe('Parse duration', function () {
+
+  it('Should pass when given valid value', async function () {
+    expect(parseDurationToMs(35)).to.equal(35)
+    expect(parseDurationToMs(-35)).to.equal(-35)
+    expect(parseDurationToMs('35 seconds')).to.equal(35 * 1000)
+    expect(parseDurationToMs('1 minute')).to.equal(60 * 1000)
+    expect(parseDurationToMs('1 hour')).to.equal(3600 * 1000)
+    expect(parseDurationToMs('35 hours')).to.equal(3600 * 35 * 1000)
+  })
+
+  it('Should be invalid when given invalid value', async function () {
+    expect(parseBytes('35m 5s')).to.equal(35)
   })
 })