Tool.Yun
Nyttige verktøy for utviklere
Beskjær bilde
Bilde til SVG (potrace)
Bildefargeinverter
Bildeformatkonverter
Bildesammenligning
Bildestørrelsesendrer
EXIF/metadata/GPS/JPEG-bildekvalitetsleser
Fjern EXIF
Fjern bildebakgrunn
GIF til MP4
HEIC-konverter
ICO/PNG-konverter
Kameraopptak
OCR-redigering av bilder og PDF-filer
SVG-forhåndsvisning
Vannmerke
BMI-kalkulator
Forklar Shell-kommandoen
IBAN validering og analysering
IES-belysningsretningslinjer
ISBN-validator og parser
ISO 3166-landskodesøker
ISO 639-søker
Kalenderkonverterer
Kompatibilitet med programvarelisenser
Kredittkortkontrollør
Luhn-validator
Løpetempokalkulator
MVA-nummervalidator
Online ordbok
RMB store bokstaver konverter
SLA-kalkulator
Telefon format og parserer
Unicode-søk
Valutakonverterer
Cron/Ukedagsalarm
Dager Kalkulator
Dato-tid konverter
ETA kalkulator
Hvilken dag?
ICAL-filparser
ICAL-generator
Kalkulator for dato+varighet
Kronometer
Nedtelling
TTL-kalkulator
Tidsalarm
Tidssonekonverter
Uketallskonverter
Varighetskalkulator
iCal-fusjon
Docker Compose Format Converter
Docker Compose til .env-fil
Docker Compose til Docker-kjørekonverter
Docker Compose til Quadlets
Docker Compose-validator
Docker Pangolin-etiketter
Docker run til Docker compose konverter
Docker-bildenedlaster
Docker-inspeksjon for å kjøre Docker
Docker-kjøring til Kubernetes
Docker-kjøring til Quadlets
Docker-skriving til kubernetes
Dockerfile-etikettgenerator
Kubernetes RBAC-generator
Traefik Docker Compose Maker
Amortiseringskalkulator
Akselerasjonsomformer
Arealenheter Konverter
Energienheter konverter
Frekvensomformer
Hastighetsomformer
Kraftenheter konverter
Lengdeenheter Konverter
Lysstyrkekonverter
Masseenheter konverter
Matenergiomformer
SI-prefikskonverterer
Strømomformer
Temperatur konverter
Treningsdatamaskin
Trykkenhetskonverter
Vinkelenheter Konverter
Volumenheter Konverter
Volumstrømningshastighetskonverter
BIP39 nøkkelords generator
Diceware passordgenerator
NanoID-generator
Numeronymgenerator
OTP kode generator
Passordgenerator
Postkodegenerator
Tilfeldige tallgenerator
Tokengenerator
UUID-generator
UUID-konverter
CSV til JSON
JS til JSON-konverter
JSON Linter
JSON forskjønning og formatering
JSON minifiser
JSON til .env
JSON til C#
JSON til CSV
JSON til JS-konverter
JSON til Java-enhet
JSON til MessagePack
JSON til TOML
JSON til TS
JSON til XML
JSON til YAML konverterer
JSON til data
JSON til objekt
JSON to Go
JSON-forskjell
JSON-fusjon
JSON-redigeringsprogram
JSON-sorteringsmaster
JSON-utflatning/oppheving av utflatning
Jq/JSONPath-tester
Json Escaper/Unscaper
Json til PHP-array
Json til PHP-kode
Json til Python
Json til SQL DDL
Json til skjema
Json-spørring
Json-strengkonverterer
Json-størrelsesanalysator
Meldingspakke til JSON
ObjGen til JSON
PHP-array til JSON
tools.json-patch.name
Bash-jukseark
CSS-velgere jukseark
Docker Compose-jukseark
Docker SWARM-jukseark
Docker-jukseark
Dockerfile-jukseark
Git Semantic Commit-jukseark
Git jukselapp
JSONPath-syntaks-jukseark
Jq-jukseark
Jukseark for nedbetaling
K8s jukseark
Nano-jukseark
Nginx-jukseark
Powershell-jukseark
Regex-jukseark
Sed jukselapp
Skjermkommando-jukseark
Tmux-kommando-jukseark
VIM-jukseark
Vanlig Regex-jukseark
XPath-syntaks-jukseark
Zellij-kommandoen jukseark
chmod-kommandoen Cheatsheet
Base64 Hex array-koder/dekoder
Base64 fil konverter
Base64 string kode/dekoder
Csv til data
E-postnormalisering
Egenskapskonverter
Energiforbruks- og utgiftsdatamaskin
Excel til data
Geografiske koordinatkonverterer
Heltalls konverter
Konverter for datalagringsenheter
Konverter for konvoluttvariabler
Konverter fra Unicode-tegn til Java-enheter
Mange enheter konverter
Romertall konverter
Tekst til ASCII binært
Tekst til Unicode
Torrent til magnet
ULID-generator
dBm mW-omformer
AGE-kryptografi
Ansible Vault Crypt Dekryptering
Argon2 Hasher
Bcrypt
Bech32-koder/dekoder
CRC-kalkulator
CSR-generator
ECDSA-nøkkelpargenerator
Ed25519 nøkkelpargenerator
Filhasher
Hash tekst
Hmac-generator
JWT-generator
JWT-parser
Jasypt-strengkryptering
Krypter / decrypter tekst
Niceware Bytes til passordfrase
PGP-filkryptering
PGP-kryptering
PGP-nøkkelgenerator
Paseto/PASERK Local
Paseto/PASERK Offentlig/Privat
RSA nøkkelpar generator
RSA-kryptering
RSA/DSA/ECDSA-signatør og verifikator
SAML-parser
SSL-sertifikatkonverter
Sertifikat-/nøkkelparser
Shamirs hemmelige deling
X509 sertifikatgenerator
Binær kalkulator
Konverter for matematiske formater
Matematikk OCR
Matematikkevaluator
Tipskalkulator
Visualisator for trigonometrisk/ligningskurve
Cron-uttrykksbygger
Bygg en referansemåler
Geografisk avstandskalkulator
Kalkulator for sideforhold
Prosent kalkulator
Epub til Markdown
Forbedring av prisnedsettelsestabell
Forhåndsvisning av Markdown
Generator for avmerkingstabeller
HTML til prisnedsettelse
Lim inn som Markdown
Markdown Lorem Ipsum
Markdown-innholdsfortegnelsesgenerator
Markdown-redigeringsprogram
Nedgradering til DOCX
Nedgradering til data
Nedmerking til HTML
Nedmerking til tekst
Nedskrivningsforskjell
tools.markdown-format-converter.name
Bilde til CSS
CSS XPath-konverter
CSS-enhetskonverterer
CSS-forskjønner
CSS-gradientgenerator
Enhets informasjon
Farge konverter
Fargehjul
Fargekontrastkontroll
HTML WYSIWYG-editor
HTML streng rensing
HTML til XHTML
HTML til data
HTML-minifikator
HTTP status koder
Html-forskjønner
Html-renser
Kode/dekode URL-formaterte strenger
MIME typer
REM-pikselkonverter
SVG plassholder generator
Slugify streng
Søkefragmentskaper for URL-tekst
URL-renser
UTM URL-generator
Url Fanger
User-agent analysering
ARPA-dekoder
Analyseverktøy for passordstyrke
Apache LogRotate Generator
BIMI DNS-generator
Chmod kalkulator
Cloudflare DNS/RDAP-spørringer
Crontab-generator
DKIM DNS-generator
DMARC DNS-generator
DNS-spørringer
DNSBL-sjekker
FStab-generator
Formatering av skallkommandoer
Generator for avstengningskommandoer
Grunnleggende autentiseringsgenerator
HAR Sanitizer
HDD-kalkulator
HTAccess-generator
Heltall til IPv4/IPv6
Htpasswd/htaccess-generator
IP-geografisk plassering
IPv4 adresse konverter
IPv4 range utvider
IPv4 subnet kalkulator
IPv4-6/IPRange/CIDR i IPRange/CIDR/IPMaske
IPv4-delnettliste
IPv6 ULA-generator
IPv6-adressekonverter
Iptables-generator
Ipv6-subnettkalkulator
Kalkulator for IPv4/6 CIDR til IP-område
Kalkulator for IPv4/6-område til CIDR(er)
Kalkulator for dataoverføringshastighet
Kalkulator for ekskludering av IP-subnett
Krøllekommandogenerator
Linearisering av skallkommandoer
MAC address oppslagsverk
MAC adresse generator
MAC-adressekonverterer
Mikrofontester
Min IP-adresse
Nedlaster med flere lenker
Nginx-formatering
Option43-generator
PTR DNS-generator
Ping
Portnumre
Punycode-konverterer
RAID-kalkulator
RAID-pålitelighetskalkulator
Rsync-generator
SIP-autorisasjon
SPF DNS-generator
TCP/UDP-porttester
Tilfeldig port generator
UFW-kommandogenerator
Visuell subnettkalkulator
WPA PSK-generator
Websocket tester
Whois-sjekker
Wireguard-konfigurasjonsgenerator
X-VR-SpamCause-dekoder
ZPOOL RAID-kalkulator
ZPool-jukseark
Zxcvbn Passordstyrke
firewalld kommandolinjegenerator
tools.restic-command-generator.name
tools.url-redirection-checker.name
HTML til PDF
PDF signatur sjekker
PDF-kompressor
PDF-tekstuttrekker
Pdf Linearize/FastWeb
Pdf-dekryptering og opplåsing
Pdf-kryptering
Pdf-sammenkobling
Pdf-sideuttrekker
ActiveDirectory LDAP-egenskapssøker
DMARC-rapportanalysator
DNS-forplantningstester
DNS-tester
Død pikseltester
E-postparser
EMV TLV-dekoder
ETH-transaksjonsdekoder
Filtypedetektor
Flytallskonverter
GZip/Deflate-konverter
HTTPS-tester
Heksadesimal enkoder/dekoder
Informasjonskapsler-parser
Jukseark for RJ45 Cat6-ledninger
MIME-kodingskonverter
Maskering av sensitive data
Middle-Endian-konverter
MongoDB ObjectId-konverterer
Motstandskalkulator
Nmap-kommandobygger
Outlook MSG-parser
Outlook Safelink-dekoder
Parkettfiler Leser
Parser for avvist e-post
SMART Raw-konverter
Seriell portkonsoll
SharePoint-delings-URL-dekoder
Snøfnugg-ID-uttrekker
TCPDump-generator
Tastekode info
Teksttegnsettdetektor/dekoder
URL analyse
URL-bygger
Utvider for korte URL-er
键盘测试器
Kortvelger
Lykkehjul
Myntflipper
Terningkaster
GTIN-validator
QR Kode generator
QR-kodedekoder
QR-kontaktinformasjonsgenerator
Strekkodegenerator
Strekkodeleser
WiFi QR Kode generator
tools.epc-qrcode-generator.name
TOML til JSON
TOML til YAML
TOML-linter
AI-ledetekstdeler
ASCII kunsttekstgenerator
Bilde til ASCII-kunst
Bokstavkonvertering
Distinkte ord
Emoji velger
GPT-tokenestimator
GPT-tokenkoder/dekoder
Hallo, generator.
Havfrueeksportør
I og L Checker
JSON til TOON
Levenshtein-kalkulator
Liste konverterer
Lister Sammenlign
Mappestrukturdiagram
Morsekodekonverterer
Pakk filer for AI
RSVP-leser
Regex-tester
Runekonverter
Sammenligning av skrifttyper
Sed-kommandogenerator
Sitasjonsgenerator
Smart teksterstatning og linjebryter
Sosial lenkedeler
Streng obfuskator
Søker etter duplikatlinjer
TOON til JSON
Tabulator til mellomrom
Tastaturoppsettkonverterer
Tekst diff
Tekst statistikk
Tekst til NATO alfabetet
Tekst til Unicode-navn
Tekstoversetter
Tilfeldig linjevelger
Trekk ut tekst fra HTML
Unicode til GSM-7
Unicode-formatering
Zalgo-generator/banner
ANSI-rømningstester
API Tester
CLI kommando editor
CSS/JS Forskjønn og Minimer
Databaseopprettingsbygger
Databasetabelgenerator
Dataforfalsker
Django Secret Generator
Favicon-generator
Fildeler
GitIgnore-generator
Gitattributes Generator
HEX-filkonverterer
Javascript Prettifier
Javascript Unobfuscator/Unpacker
Javascript-forvirring
Json til Protobuf
Json til SQL INSERT
Json til Typescript
K6 Skriptgenerator for lasttesting
Kode-/skriptmarkering
Krøllekonverter
Mailto-generator
Picomatch-tester
Pomodoro-timer
SQL forskjønning and format
SQL-minifikator
SQL-parametergenerator
Sitatkonverterer
Stacktrace penere
Strengbygger for databasetilkobling
Strengeutløser
Swagger UI-tester
Åpne grafmetagenerator
ObjGen til HTML
XML formaterer
XML til JSON
XML-linter
XPath-tester
XSLT-tester
YAML forskjønning og formatering
YAML til JSON konverter
YAML til TOML
YAML-fusjon
YAML-utflating/oppreving

VIM-jukseark

Vim tekstredigeringskommandoer

Vim is a modal editor: keys mean different things depending on the mode you are in. Most commands compose as count + operator + motion — 3dw deletes three words, d$ deletes to the end of the line — so learning a new motion instantly upgrades every operator you already know.

💡 New to Vim? Run vimtutor in a terminal — 30 minutes, and the rest of this sheet starts making sense.

🚦 Modes

ModeEnter withLeave withFor
NormalEsc (or Ctrl-[)—Moving and running commands
Inserti a o I A OEscTyping text
Visualv V Ctrl-vEscSelecting text
Command-line: / ?Enter or EscEx commands and searches
ReplaceREscOvertyping

🧭 Cursor Movement

KeyMoves to
h j k lLeft, down, up, right
w / WStart of the next word / WORD (WORD ignores punctuation)
e / EEnd of the next word / WORD
b / BStart of the previous word / WORD
ge / gEEnd of the previous word / WORD
0First column of the line
^First non-blank character
$End of the line
g_Last non-blank character
f<char> / F<char>Next / previous occurrence of a character on the line
t<char> / T<char>Just before the next / after the previous occurrence
; / ,Repeat the last f/t forwards / backwards
} / {Next / previous paragraph
) / (Next / previous sentence
gg / GFirst / last line of the file
<n>G or :<n>Line n
H M LTop, middle, bottom of the screen
Ctrl-d / Ctrl-uHalf a page down / up
Ctrl-f / Ctrl-bA full page down / up
zz zt zbScroll so the cursor line is centred / at the top / at the bottom
%The matching bracket, brace or parenthesis
Ctrl-o / Ctrl-iBack / forward through the jump list
g; / g,Back / forward through the change list
'' / ``Back to where the last jump started

✏️ Entering Insert Mode

KeyStarts typing
i / IBefore the cursor / at the first non-blank character
a / AAfter the cursor / at the end of the line
o / OOn a new line below / above
s / SDeleting the character / the whole line first
ccReplacing the whole line
CReplacing from the cursor to the end of the line
giWhere you last left insert mode
Ctrl-oRun one normal-mode command, then return to insert

🔧 Operators & Text Objects

An operator waits for a motion or a text object. Doubling the operator (dd, yy, >>) applies it to the whole line.

OperatorDoes
dDelete (into a register)
cChange — delete, then insert
yYank (copy)
> / <Indent / unindent
=Re-indent
gu / gU / g~Lower-case / upper-case / toggle case
gqReformat to textwidth
Text objectSelects
iw / awInner word / a word plus its trailing space
is / asSentence
ip / apParagraph
i" a"Inside / including the double quotes
i' a'Inside / including the single quotes
i( a(Inside / including the parentheses (also ib, ab)
i{ a{Inside / including the braces (also iB, aB)
i[ a[Inside / including the brackets
i< a<Inside / including the angle brackets
it / atInside / including an HTML or XML tag
ciw     change the word under the cursor
ci"     change everything inside the quotes
da(     delete the parentheses and their contents
yi{     yank the body of a block
2dd     delete two lines
d3w     delete three words
>ap     indent the whole paragraph

✂️ Editing

KeyDoes
x / XDelete the character under / before the cursor
r<char>Replace one character, staying in normal mode
ROvertype until Esc
~Toggle the case of one character
J / gJJoin the next line, with / without a space
u / Ctrl-rUndo / redo
UUndo every change on the current line
.Repeat the last change — the most valuable key in Vim
Ctrl-a / Ctrl-xIncrement / decrement the number under the cursor
>> / <<Indent / unindent the line
==Re-indent the line
:earlier 10m / :later 5mMove through the undo tree by time

📋 Copy, Paste & Registers

KeyDoes
yy (or Y)Yank the line
y<motion>Yank what the motion covers
p / PPaste after / before the cursor
]pPaste and match the current indentation
dd / DDelete the line / to the end of the line
"ayy / "apYank into and paste from register a
"+y / "+pYank to and paste from the system clipboard
"0pPaste the last yank (never overwritten by deletes)
:registersShow every register
xp / ddpSwap two characters / two lines

⚠️ In Vim, deleting also yanks — dd overwrites the unnamed register. Use "0p to paste what you last copied, or yank into a named register first.

🔍 Search & Replace

CommandDoes
/pattern / ?patternSearch forwards / backwards
n / NNext / previous match
* / #Search for the word under the cursor, forwards / backwards
:nohClear the search highlighting
:s/old/new/Replace the first match on the line
:s/old/new/gReplace every match on the line
:%s/old/new/gReplace throughout the file
:%s/old/new/gc…asking for confirmation on each
:%s/old/new/gi…ignoring case
:'<,'>s/old/new/gOnly inside the visual selection
:%s/\<word\>/new/gWhole words only
&Repeat the last substitution on this line

The global command

:g runs an Ex command on every line matching a pattern — the power tool of Vim.

:g/TODO/d           delete every line containing TODO
:v/keep/d           delete every line NOT containing 'keep' (:v is :g!)
:g/^$/d             delete all blank lines
:g/error/normal A;  append a semicolon to every matching line
:g/pattern/t$       copy matching lines to the end of the file
:g/pattern/m0       move matching lines to the top (reverses their order)

🎨 Visual Mode

KeyDoes
vCharacter-wise selection
VLine-wise selection
Ctrl-vBlock (column) selection
gvReselect the previous selection
oJump to the other end of the selection
d / y / cDelete, yank or change the selection
> / <Indent / unindent the selection
u / U / ~Lower-case, upper-case, toggle
:'<,'>Run an Ex command over the selection
Ctrl-v, select lines, I, type, Esc     insert the same text on every line
Ctrl-v, select lines, $, A, type, Esc  append at the end of every line
Ctrl-v, select, d                      delete a rectangular block

🔖 Marks & Jumps

KeyDoes
m<a-z>Set a mark in this file
m<A-Z>Set a global mark, across files
`aJump to mark a, exact position
'aJump to the start of the line holding mark a
`.Jump to the position of the last edit
:marksList every mark
:delmarks aDelete a mark

🎬 Macros

KeyDoes
q<a-z>Start recording into a register
qStop recording
@aPlay the macro back
@@Replay the last macro
10@aRun it ten times
:%normal @aRun it on every line of the file

📂 Files, Buffers, Windows & Tabs

CommandDoes
:e <file>Open a file
:e!Reload, discarding changes
:w / :w <file>Save / save as
:waSave every changed buffer
:q / :q!Quit / quit without saving
:wq or :x or ZZSave and quit
ZQQuit without saving
:ls / :buffersList the open buffers
:b <n> / :b <name>Switch to a buffer
:bn / :bp / :bdNext / previous / delete buffer
:sp / :vspSplit horizontally / vertically
Ctrl-w h j k lMove to the window in that direction
Ctrl-w wCycle through the windows
Ctrl-w q / Ctrl-w oClose this window / close all the others
Ctrl-w =Make all windows the same size
Ctrl-w + / - / < / >Resize the window
:tabnew <file>Open a new tab
gt / gTNext / previous tab
:tabc / :taboClose this tab / close all the others
:r <file> / :r !cmdRead a file, or a command’s output, into the buffer
:!<cmd>Run a shell command
:%!<cmd>Filter the whole buffer through a command
:w !sudo tee %Save a file you opened without permission

📑 Folding

KeyDoes
zf<motion>Create a fold
za / zAToggle this fold / recursively
zo / zcOpen / close this fold
zR / zMOpen / close every fold
zj / zkMove to the next / previous fold

🧩 Completion & Spelling

KeyDoes
Ctrl-n / Ctrl-pComplete a word from the open buffers
Ctrl-x Ctrl-fComplete a file path
Ctrl-x Ctrl-lComplete a whole line
Ctrl-x Ctrl-oOmni-completion (language-aware)
:set spell spelllang=en_usTurn spell checking on
]s / [sNext / previous misspelling
z=Suggestions for the word under the cursor
zg / zwAdd to the dictionary / mark as wrong

🧵 Quickfix & Diff

CommandDoes
:make / :grep <pat>Fill the quickfix list
:copen / :ccloseOpen / close the quickfix window
:cn / :cpJump to the next / previous entry
:cfirst / :clastFirst / last entry
vimdiff a bOpen two files in diff mode
]c / [cNext / previous difference
do / dpObtain / put the change under the cursor
:diffupdateRefresh the diff

⚙️ Handy :set Options

OptionEffect
:set nu / :set nonuShow / hide line numbers
:set rnuRelative line numbers — makes 5j obvious
:set ic / :set noicIgnore case when searching
:set is / :set hlsIncremental search / highlight matches
:set wrap / :set nowrapSoft-wrap long lines
:set listShow tabs and trailing whitespace
:set pasteStop auto-indent mangling pasted text
:set ft=<type>Force a file type
:set sw=4 ts=4 etFour-space indentation, spaces not tabs
:syntax onSyntax highlighting

📄 A Starting ~/.vimrc

set nocompatible
syntax on
filetype plugin indent on

set number relativenumber
set incsearch hlsearch ignorecase smartcase
set expandtab shiftwidth=2 tabstop=2
set scrolloff=5
set hidden
set undofile
set clipboard=unnamedplus

" a leader key, and a few mappings that pay for themselves
let mapleader = " "
nnoremap <leader>w :w<CR>
nnoremap <leader>/ :nohlsearch<CR>
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

ℹ️ Mappings that start with <leader> are your configuration, not built-in Vim. If a leader shortcut on someone else’s cheat sheet does nothing, that is why.

📚 Resources

  • vimtutor — the built-in 30-minute tutorial
  • :help <topic> — Vim’s own documentation, and it is excellent
  • Vim documentation
  • Vim Adventures — learn by playing
  • Practical Vim (book)