All 242 tools

Add leading zeros Developer & other Add line numbers Text Alphabetical List Grouper Community requests Animated GIF raw size estimator Media calculators Aspect ratio calculator Media calculators Audio duration from size and bitrate Media calculators Audio file size from bitrate Media calculators Audio sample count calculator Media calculators Base Converter Community requests Base64 size calculator Media calculators Bionic Reading Converter Text Blank line manager Text Blockquote Formatter Text Bluesky post counter (300 graphemes + 3,000 bytes) Developer & other Blur image Images BPM to milliseconds calculator Media calculators Brine Salinity Community requests Bullet List Converter Developer & other Case converter Text Celsius ↔ Fahrenheit Calculators Center crop image Images Character Frequency Counter Community requests Coin Flip Fun Color Mixer Color Color Shades Generator Color Compressed image size estimator Media calculators Control Character Cleaner Developer & other Convert image to grayscale Images CSS Border Radius Generator CSS CSS Box Shadow Generator CSS CSS Clip Path Generator CSS CSS Color Value validator Validators CSS Formatter and Minifier Developer & other CSS Glassmorphism Generator CSS CSS Gradient Generator CSS CSS Triangle Generator CSS CSV Column Counter Community requests CSV Column Extractor Community requests CSV Deduplicator Community requests CSV Delimiter Changer Data CSV To JSON Community requests CSV To SRT Community requests CSV to TSV Converter Data Cups to ml (US vs metric vs UK) Calculators Dash Normalizer Developer & other Data URI size estimator Media calculators Date Format validator Validators Days between two dates Developer & other Decimal To Binary Community requests Delimiter Balance checker Validators Delimiter Text Splitter Text Dice Roller Fun Discount Stack Calculators Distance Between Cities Calculator Calculators Duplicate Line Finder Validators EAN-13 Check Digit validator Validators Email Address Syntax validator Validators Email List Cleaner Developer & other Email Subject Length Checker Community requests Emoji Remover Developer & other encodeURI vs encodeURIComponent Developer & other File chunk planner Media calculators File transfer time calculator Media calculators Filename Extension Changer Community requests Files on a drive calculator Media calculators Find and Replace Text Text Flip image horizontally Images Fuel Cost Trip Calculators Glob Pattern checker Validators Grocery Unit Price Community requests Hashtag List Formatter Developer & other Heading Hierarchy checker Validators Hex To Decimal Community requests HEX to RGBA Converter Color HEX ↔ RGB Developer & other Hostname Syntax validator Validators How many photos fit on this card? Developer & other HTML Entity Encoder and Decoder Developer & other HTML Formatter Data HTML Minifier Data HTML Tag Stripper Developer & other Image compressor Images Image crop dimensions calculator Media calculators Image dimensions and metadata viewer Images Image dimensions from megapixels Media calculators Image format converter Images Image megapixel calculator Media calculators Image print size and DPI calculator Media calculators Image resizer Images Image scale percentage calculator Media calculators Image to WebP converter Images Incremental backup growth estimator Media calculators Indentation Adjuster Developer & other Invisible character remover Developer & other IPv4 Address validator Validators IPv6 Address validator Validators ISBN Checksum validator Validators Iso Date List Normalizer Community requests ISO week number Date & time JPG to PNG converter Images JSON Flattener Data JSON Formatter and Minifier Developer & other JSON Key Sorter Data JSON Syntax validator Validators JSON To CSV Community requests JSON To XML Community requests JWT Decoder Local Community requests Latitude and Longitude validator Validators Letter Shuffler Random Line ending converter Text Line Prefix Suffix Community requests Line trimmer Text LinkedIn headline counter (220 + snippet) Text List Difference Community requests List Intersection Community requests List Randomizer Random Lorem ipsum generator Developer & other Luhn Number checker Validators MAC Address validator Validators Markdown Backslash Remover Community requests Markdown Link Extractor Community requests Markdown to Plain Text Cleaner Text Media archive growth forecast Media calculators Mulch Volume Community requests Newlines to a comma list Text Ngram Counter Community requests Number Average Calculator Math Number Median Calculator Math Number Sum Calculator Math Number to English words Text Numbered List Renumberer Developer & other Paint Coverage Community requests Password generator Text Path List To Filenames Community requests PCM WAV size calculator Media calculators Percentage calculator Calculators Percentage change Calculators Pixelate image Images Playback speed duration calculator Media calculators PNG to JPG converter Images Premiere Marker To YouTube Community requests Price Per Weight Community requests Prime Number Checker Math Print size to pixels calculator Media calculators Punctuation Spacing Fixer Text px ↔ rem Developer & other Query String Builder Community requests Query String Parser Community requests RAID usable capacity calculator Media calculators Random Date Generator Fun Random Line Picker Community requests Random Name Picker Fun Random Number Generator Random Random Team Generator Fun Raw video storage calculator Media calculators Reading Aloud Time Community requests Recipe Salt Percentage Community requests Recipe Scale By Servings Community requests Regular Expression Escaper Developer & other Regular Expression Syntax checker Validators Remove accents from text Developer & other Remove duplicate lines Text Remove hard line breaks Text Rent Split By Room Size Community requests Repeated Word Cleaner Text Required transfer speed calculator Media calculators Responsive srcset width planner Media calculators RGB 0–1 ↔ HEX Developer & other RGBA to HEX Converter Color Rotate image Images Screen pixels per inch calculator Media calculators Seconds To Timecode Batch Community requests Semantic Version checker Validators Sentence Segmenter Developer & other Sepia image filter Images Shared Expense Settlement Community requests Shoe Size Converter Calculators Smart quote converter Text Soil Volume Community requests Sort lines Text Spin the Wheel Fun Sprite sheet layout calculator Media calculators SRT To CSV Community requests SRT To VTT Community requests Storage needed for files Media calculators String Literal Escaper Developer & other Subtitle Duration Community requests Subtitle Line Length Checker Community requests Subtitle Overlap Checker Community requests Subtitle Shifter Community requests Subtitle Word Count Community requests Tabs and Spaces Converter Developer & other Text Diff Lines Community requests Text line wrapper Text Text Repeater Text Text Reverser Text Threads counter (500 + 10,000) Developer & other Tile Quantity Community requests Time Difference Between Cities Date & time Time Format validator Validators Time Zone Converter Date & time Timecode to frames converter Media calculators Timecode To Seconds Batch Community requests Timestamp List Normalizer Community requests Tip calculator (split) Calculators Transcript Timestamp Remover Date & time Transcript Timestamps To CSV Community requests TSV to CSV Converter Data Uncompressed image size calculator Media calculators Unicode Code Point Viewer Data Unicode Normalizer Text Unix Timestamp Batch Community requests Unix timestamp converter Date & time UPC-A Check Digit validator Validators URL encode & decode Developer & other URL Slug Format checker Validators URL Slug Generator Developer & other URL Syntax validator Validators URL-safe Base64 Developer & other UUID v4 generator Developer & other UUID validator Validators Versioned backup storage calculator Media calculators Video duration from size and bitrate Media calculators Video file size (minutes × bitrate) Developer & other Video frame count calculator Media calculators Video target bitrate calculator Media calculators VTT To SRT Community requests Wallpaper Roll Community requests WCAG Contrast checker Validators WebP to PNG converter Images Whitespace normalizer Developer & other Why is my 1TB drive ~931 GB? Developer & other Windows filename sanitizer Developer & other Word & character counter Text Word Frequency Counter Community requests Word Shuffler Random World Clock by City Date & time XML Formatter Developer & other XML To JSON Community requests XML Well-Formedness checker Validators Yes or No Picker Fun YouTube Chapter Formatter Community requests