the internet
can wait.

locked in. blocks the sites that steal your time until the timer ends. focus music by blackr plays the whole way.

freeno accountnothing tracked
the locked in. extension: timer, streak, music
session39:58
blockedinstagram · tiktok · youtube
open it. lock in.
locked in. home screen
strict modeno end button29 sites blocked+ any you addmusic by blackrplays the whole session
locked in · strict40:00instagram · tiktok · youtube blocked
scroll ↓
01pick a session

20, 40, 80 or 140 minutes. press start.

02distractions disappear

instagram, tiktok, youtube and 26 more are blocked until it ends. pro: search 500+ apps.

03build a streak

every finished session counts. music plays the whole time.

themes

make it yours.

11 themes, 7 timer styles, moving backgrounds. switch in one tap.

locked in
northern lights themeaurora theme with dither timersunset theme with moon timery2k theme with constellation timermatcha theme with engraving timerdaylight theme

northern lights · a live sky behind your work · lifetime pro

together

lock in with friends.

same timer, same moment, wherever they are. everyone keeps their own blocks and music.

  • add by idevery profile gets an 8-digit id. share it, they accept.
  • duo + group sessionsinvite one friend or a whole crew. start when they're in.
  • see who's locked ina green dot when friends are online, live in a session.
  • your spota username, an avatar, no email. 12 animated avatars with pro.
locked in · together
a group session: three friends on one timer
friends list with live statusprofile with pro avatars
search 500 apps and block them in one tap
your rules

block anything.

type twitch, netflix, steam. one tap and it's blocked for every session. need one for work? switch it off.

500+ apps & sitesstrict mode · no way outscheduled lock-insbreaks between rounds
pro

go further.

6 months$3

every pro feature for half a year. pay once, it doesn't renew.

lifetime$7

every pro feature forever, every future update, plus moving themes like northern lights.

best value

get it inside locked in. → pro. works on every device you sign into.

music for people who disappear into the work.

  1. 01blackr — 0142:10
  2. 02blackr — 0238:44
  3. 03blackr — 0341:02
  4. 04blackr — 0445:30
BLACKR · 01
focus, worldwide

every hour counts.

your grind loglast 26 weeks
0hlast 7 days
0htotal, no phone
0hbest day ever
monwedfri
hover a daylessmore

sound you can see through.

blackr makes focus music and the tools around it. calm, clear, nothing in the way.

listen nowadd to chrome
blackr 03 cover
now playing
blackr — 03
focus music · 41 min
locked in · session
40:00
strict mode

no end button until the timer ends.

streak
12 days
blocked

instagram · tiktok · youtube · x · reddit + 24 more

get locked in.

free. pick your device.

blackr.

an index of sound and software for long nights. hover a record.

productlocked in.
typechrome extension
pricefree / pro
trackingnone
blocks29 sites + yours
timers20 · 40 · 80 · 140 · custom
musicoriginal, by blackr
installadd to chrome →

elsewhere

blackr © 2026 · privacy · the world sleeps. you don't.

← homedrag to explore ✦
play
get it