All free online tools
99 browser-based utilities for JSON, CSV, text cleanup, encoding, subtitles, color math, and everyday developer tasks. Nothing you paste is uploaded.
Free Text Cleanup Tools Online
Remove duplicates, empty lines, phone numbers, punctuation, and cleanup text formatting.
- Remove Duplicate LinesInstantly clean your lists and logs by stripping duplicate lines.
- Remove Blank LinesStrip all blank or empty spacing lines from document text sheets.
- Remove Extra SpacesCollapse irregular spaces down to single spaces.
- Remove TabsConvert tabs into standard spaces or strip them entirely.
- Remove EmojisStrip emoji glyphs, flags, and pictographs from copy text.
- Remove URLsClean link spam by removing http, https, and www references.
- Remove EmailsStrip all email addresses from logs or datasets.
- Remove Phone NumbersStrip customer mobile and telephone numbers.
- Remove HTMLWipe markup tags from HTML text strings.
- Remove MarkdownConvert raw Markdown text into readable plain text strings.
- Remove UnicodeStrip non-ASCII characters to normalize text systems.
- Remove Zero Width SpacesStrip zero-width spaces (ZWSP) and BOM formatting markers.
- Remove PunctuationStrip commas, periods, brackets, and quotes from copy.
- Remove NumbersErase all digit markers (0-9) from text.
- Remove Special CharactersKeep only plain letters, numbers, and space tags.
- Remove AccentsConvert European accented letters (é, ö, ñ) to plain versions.
- Case ConverterConvert strings to UPPERCASE, lowercase, camelCase, snake_case, PascalCase.
- Slug GeneratorConvert header titles into clean, hyphenated SEO URL links.
- Character & Word CounterCount characters, sentences, paragraphs, and read times.
- Whitespace CleanerTrim leading, trailing, and extra blank rows.
- Remove Empty ParagraphsCollapse multiple carriage returns in paragraphs.
- Remove Duplicate WordsWipe redundant consecutive duplicate words from copy.
- Find Duplicate LinesFilter text to show only recurring list lines.
- Alphabetize LinesSort list lines alphabetically from A to Z or Z to A.
- Reverse LinesFlip list rows upside down starting from the bottom line.
- Shuffle LinesRandomize line orders in lists.
- Random Line PickerExtract a single random line from lists.
- Sentence SplitterSeparate paragraphs into distinct lines per sentence.
- Join LinesMerge separate rows into a single line using separators.
- Extract URLsScan text blocks and pull list references of links.
- Extract EmailsPull all unique email accounts from log lists.
- Extract NumbersScan text strings and extract integer digit blocks.
- Extract HashtagsPull all unique Twitter/Instagram hash markers.
- Extract MentionsPull user profile handles starting with @.
- Extract IP AddressesScan server logs and pull IPv4 connection codes.
- Crazy Font GeneratorGenerate crazy fonts, fancy letters, and cool Unicode text styles.
Free CSV & Data Tools Online
Format, filter, sort, split, merge, and convert CSV and data tables.
- CSV Duplicate RemoverRemove redundant duplicate rows in CSV databases.
- CSV Column RemoverDelete selected columns from CSV files by index.
- CSV Row FilterFilter out CSV records matching query strings.
- CSV SorterSort database row values alphabetically by key column.
- CSV CleanerTrim fields and clean formatting gaps in datasets.
- CSV Header EditorModify column headers on row 0 of CSV files.
- CSV to JSONConvert CSV files into structured JSON objects.
- JSON to CSVConvert JSON object arrays to clean CSV spreadsheets.
- CSV ValidatorValidate column uniformity and catch cell length mismatches.
- CSV Column ExtractorExtract specific columns from tabular records.
- CSV Empty Row RemoverFilter out blank or empty records from datasets.
Free JSON, XML & HTML Tools Online
Validate, beautify, minify, escape, and parse code formats.
- JSON FormatterFormat and indent JSON files.
- JSON ValidatorVerify syntax errors in JSON objects.
- JSON BeautifierStructure JSON listings into readable files.
- JSON MinifierCompress JSON configurations by stripping whitespaces.
- JSON SorterSort JSON object keys alphabetically.
- JSON EscapeEscape special chars in JSON strings.
- JSON UnescapeUnescape code blocks from escaped JSON values.
- XML FormatterFormat and indent XML codes.
- XML MinifierCompress XML files by stripping space indents.
- XML EscapeEscape XML values to avoid syntax errors.
- XML UnescapeConvert XML entities back to readable tags.
- HTML EncoderEncode special HTML characters to prevent XSS.
- HTML DecoderDecode HTML entities back to markup tags.
- HTML MinifierCompress HTML codes by removing empty spacing rows.
- HTML BeautifierFormat and align layout nodes.
- HTML to TextWipe tags to extract plain text contents.
- Text to HTMLConvert text formatting lines into HTML paragraphs.
Free URL, Base64 & Encoding Tools
Base64, hex, binary, and URL encoders/decoders and query parsers.
- URL EncoderEscape URL strings into percent codes.
- URL DecoderRestore percent coded URLs back to readable tags.
- URL ParserDeconstruct absolute URLs into host, path, queries.
- URL CleanerRemove unwanted query trackers from URLs.
- UTM BuilderAdd UTM campaign parameters to marketing URLs.
- UTM CleanerWipe active UTM trackers from copied link strings.
- Domain ExtractorParse host domain names from URL listings.
- Subdomain ExtractorExtract subdomains from canonical URLs.
- Base64 EncodeEncode ASCII strings to Base64 hashes.
- Base64 DecodeRestore Base64 hashes back to readable strings.
- Hex EncoderConvert readable text strings to hexadecimal digits.
- Hex DecoderConvert hexadecimal digits back to readable text.
- ASCII ConverterConvert characters to ASCII codes and vice versa.
- Unicode ConverterTranslate string values into escaped Unicode notation.
- ROT13 Encoder/DecoderEncode or decode strings using ROT13 cipher shifts.
- Morse Code ConverterTranslate text to Morse code and Morse to text.
Free Subtitle & Filename Tools Online
Shift SRT timecodes, clean subtitle formats, and sanitize filenames.
- SRT Time ShifterOffset subtitle SRT timestamps in milliseconds.
- SRT CleanerStrip HTML and format tags from SRT subtitle files.
- SRT to VTT ConverterConvert SRT subtitles to WebVTT formats.
- VTT to SRT ConverterConvert WebVTT subtitles back to SRT format files.
- Filename CleanerRemove spacing issues and symbols from filenames.
- Filename SanitizerReplace invalid OS path characters from file names.
- File Extension ExtractorExtract file extensions from paths list.
Free Aspect Ratio, DPI & Color Tools
Aspect ratios, pixel scales, and custom color conversion builders.
- Aspect Ratio CalculatorFind video/image proportions and target widths.
- Pixels to Inches ConverterConvert pixel values to printing inches sizes based on DPI.
- Inches to Pixels ConverterConvert physical inches dimensions to pixels via DPI.
- DPI CalculatorFind display DPI based on pixel and inch values.
- HEX to RGB ConverterConvert HEX colors to standard RGB values.
- RGB to HEX ConverterConvert RGB colors to hexadecimal representation.
Free Developer Tools Online
JWT decoders, regex testers, cron interpreters, and UUID generators.
- UUID GeneratorGenerate random RFC 4122 v4 UUID keys.
- Hash GeneratorGenerate SHA-256 strings from text inputs.
- Lorem Ipsum GeneratorGenerate random mock layout text paragraphs.
- JWT DecoderDecode JSON Web Token scopes without secrets.
- Cron Expression ParserTranslate Crontab configurations to readable schedules.
- Unix Timestamp ConverterConvert Unix epoch times into human readable dates.