Free Online Utility Tools for Everyday Tasks

1 58 Case Converter Convert text between 23 writing, developer, and utility casing styles with live stats.

2 52 QR Code Generator Generate customizable QR codes with multiple content types, visual styles, colors, gradients, logos, downloads and presets.

3 28 Text Counter Comprehensive live text statistics: words, characters, sentences, reading time, and keyword frequency.

4 24 Find & Replace Search and replace text with regex support, case sensitivity, whole-word matching, and live highlighting.

5 23 Color & Gradient Text Generator Create solid, gradient, and multi-color text with live preview, HTML export, copy, palettes, popular colors, and PNG-ready output.

6 18 Basic Calculator Standard four-function calculator with percentage, sign toggle, and calculation history.

7 16 Online Notepad A tabbed, autosaving browser notepad with undo/redo, find & replace, zoom, fullscreen, and plain-text import/export.

8 12 Stopwatch & Timer Simple browser stopwatch and countdown timer.

9 11 Morse Code Converter Encode text to Morse code and decode Morse back to text, with audio playback and a reference chart.

10 8 Fancy Text Generator Generate a large collection of fancy, stylish and decorative Unicode text variants with live previews, favorites and recent styles.

11 7 HEIC to JPG Converter Convert HEIC/HEIF (iPhone) photos to JPG in-browser using the heic2any decoder.

12 7 PDF Page Extractor Extract specific pages or ranges from a PDF into a new downloadable PDF.

13 6 JavaScript Formatter / Minifier Lightweight brace-based JavaScript formatter and comment/whitespace minifier (not a full AST parser).

14 5 Text Repeater Repeat any text block a set number of times with custom separators and optional numbering.

15 5 Text to Binary Converter Convert text to binary code and decode binary back to readable text.

16 5 Image Compressor Compress images with adjustable quality and see exact before/after size reduction.

17 4 Reverse Text Generator Reverse text by characters, words, lines, or letters-within-words.

18 4 Lorem Ipsum Generator Generate classic Lorem Ipsum placeholder text by paragraphs, sentences, or words.

19 4 Text Diff Checker Compare two texts and highlight additions, removals, and unchanged content, by line or by word.

20 4 BMI Calculator Calculate Body Mass Index with metric/imperial support, category, and healthy weight range.

21 4 Strong Password Generator Generate cryptographically random passwords with customizable character sets and entropy-based strength rating.

22 4 JWT Decoder Decode JWT header and payload with readable expiration/claim details (no signature verification).

23 4 Unit Converter Convert between units across 33 measurement families — length, mass, temperature, digital storage, electrical, radiation, and more — with favorites and history.

24 4 Image to PDF Combine multiple images into a single PDF with page size, orientation, and fit controls.

25 3 Age Calculator Calculate exact age in years, months, and days, plus total days lived and next birthday countdown.

26 3 Percentage Calculator Calculate percentages of a number, what-percent-of relationships, and percentage change.

27 3 PDF Merger Merge multiple PDF files into one, with drag-to-reorder page ordering.

28 3 PDF Splitter Split a PDF by page ranges or into equal N-page chunks, producing real downloadable PDF files.

29 3 Audio Visualizer Load a local audio file and visualize its real waveform or frequency data with Web Audio and Canvas.

30 2 EMI Calculator Calculate monthly loan EMI, total interest, and total payment using the standard amortization formula.

31 2 Random Color Generator Generate random color palettes with HEX/RGB/HSL values and per-swatch locking.

32 2 Random String Generator Generate random alphanumeric or custom-charset strings in bulk.

33 2 Base64 Encoder / Decoder Encode and decode Base64 with full Unicode support.

34 2 HTML Entity Encoder / Decoder Encode text to HTML entities or decode HTML entities back to plain text.

35 2 Image to Base64 Convert an image to a Base64 data URL for embedding directly in HTML, CSS, or JSON.

36 2 World Clock Track multiple real-time clocks with browser-supported IANA time zones, UTC offsets, dates and day/night indicators.

37 2 Random BGM Generator Generate short procedural background music with randomized style, BPM, key, intensity and seed, then preview or export WAV.

38 1 Scientific Calculator Scientific calculator with trig, log, exponent, factorial functions and degree/radian modes.

39 1 Fraction Calculator Add, subtract, multiply, or divide fractions with automatic simplification and decimal/mixed-number output.

40 1 UUID / GUID Generator Generate RFC 4122 v4 UUIDs in bulk with case, hyphen, and brace formatting options.

41 1 Random Number Generator Generate random integers or decimals within a range, with optional uniqueness.

42 1 JSON Formatter & Validator Format, minify, and validate JSON with clear error locations.

43 1 URL Encoder / Decoder Encode and decode URL components or full URIs.

44 1 Hash Generator Generate SHA-1/256/384/512 hash digests using the Web Crypto API.

45 1 HMAC Generator Generate HMAC signatures with a secret key using the Web Crypto API.

46 1 HTML Formatter / Minifier Format HTML with consistent indentation or minify it by removing comments and excess whitespace.

47 1 Timestamp Converter Convert between Unix timestamps and human-readable dates, bidirectionally, with UTC/local/ISO formats.

48 1 Image Resizer & Converter Resize images with aspect-ratio lock and convert between PNG, JPEG, and WebP.

49 1 WebP Converter Convert images to or from WebP with real browser-support detection.

50 1 PDF Metadata Viewer / Editor View and edit standard PDF metadata (title, author, subject, keywords) and save an updated file.

51 1 Robots.txt Generator Build, validate, copy and download real robots.txt directives with multiple user-agent groups.

52 1 Audio Fade Tool Apply real fade-in and fade-out gain envelopes to a local audio file and export the processed WAV.

53 1 Advanced Text Formatter Clean, normalize, sort, annotate and structurally format text with composable operations and statistics.

54 0 Ratio Calculator Simplify ratios, solve proportions, and scale ratios to split a total amount.

55 0 Discount Calculator Calculate final sale price, savings, and optional post-discount tax.

56 0 Tip Calculator Calculate tip amount, total bill, and per-person split with a percentage slider.

57 0 GST / VAT Calculator Add or reverse-calculate GST/VAT tax, with CGST/SGST split breakdown.

58 0 Regex Tester Test regex patterns with live match highlighting, capture groups, and replacement preview.

59 0 Markdown to HTML Converter Convert Markdown to HTML with a live preview, using the marked.js parser.

60 0 CSS Formatter / Minifier Format CSS with consistent indentation or minify it by stripping comments and whitespace.

61 0 XML Formatter & Validator Validate XML using the browser's native parser, then format or minify it.

62 0 YAML Formatter & Validator Validate and format YAML with real parse errors, using the js-yaml library, plus JSON conversion.

63 0 CSV ↔ JSON Converter Convert between CSV and JSON with proper quoted-field and escaped-quote handling.

64 0 Color Converter Convert colors between HEX, RGB, HSL, HSV, and CMYK with live preview and copy.

65 0 CSS Gradient Generator Visually build linear or radial CSS gradients with multiple color stops and live preview.

66 0 Box Shadow Generator Visually build single or multi-layer CSS box-shadow effects with live preview.

67 0 CSS Border Radius Generator Visually build CSS border-radius with independent or linked corner controls.

68 0 CSS Clip-Path Generator Apply and preview CSS clip-path shapes from presets or custom polygon coordinates.

69 0 Number Base Converter Convert numbers between binary, octal, decimal, and hexadecimal bidirectionally with bit-length info.

70 0 PNG to JPG Converter Convert PNG to JPG with explicit background-color handling for transparent areas.

71 0 JPG to PNG Converter Convert JPG to lossless PNG using canvas re-encoding.

72 0 Image Cropper Visually crop images with draggable handles and aspect-ratio presets.

73 0 Image Rotator & Flipper Rotate images by 90°/180°/270° or custom angle, and flip horizontally/vertically.

74 0 Image Metadata Viewer View real file information and JPEG EXIF metadata (camera, date, settings) read directly from the image.

75 0 Favicon Generator Generate a full favicon size set and a real favicon.ico, plus the HTML snippet to use them.

76 0 Image Color Picker Click any pixel in an uploaded image to sample its exact HEX/RGB/HSL color value.

77 0 Image Palette Generator Extract a dominant color palette from an image using real pixel-data analysis.

78 0 Image Watermark Tool Add a customizable text watermark (position, opacity, rotation, tiling) to an image.

79 0 PDF Rotator Rotate all or selected PDF pages by 90°/180°/270° and download the result.

80 0 PDF to Images Render selected PDF pages as downloadable PNG or JPEG images using the pdf.js engine.

81 0 PDF to Text Extract the real embedded text layer from PDF pages, with a clear warning for scanned/image-only PDFs.

82 0 CSV Viewer & Editor View, edit, search, and export CSV data in a real interactive table.

83 0 CSV Cleaner Clean CSV data: trim whitespace, remove empty/duplicate rows, normalize formatting.

84 0 File Information Viewer View real, browser-accessible file information: name, type, size, dates, and image dimensions.

85 0 Text File Encoding Converter Decode text files from various encodings (Windows-1252, ISO-8859, Shift-JIS, etc.) and export as clean UTF-8.

86 0 ZIP Creator Compress multiple files into a downloadable ZIP archive with adjustable compression level.

87 0 ZIP Viewer & Extractor View ZIP archive contents and extract individual or all files, using JSZip.

88 0 AES Encrypt / Decrypt Encrypt or decrypt text with AES-256-GCM using the Web Crypto API and proper PBKDF2 password-based key derivation.

89 0 Password Strength Checker Analyze password strength locally: length, character diversity, common-password and pattern detection, entropy estimate.

90 0 Slug Generator Convert titles and phrases into clean, URL-friendly slugs with normalization and configurable separators.

91 0 Meta Description Length Checker Check meta-description length, approximate width, writing signals, and a local search-snippet preview.

92 0 Title Length Checker Analyze SEO title length, approximate pixel width, writing signals, and responsive search-result previews.

93 0 Sitemap.xml Generator Create valid sitemap.xml XML with URL validation, de-duplication and per-URL metadata.

94 0 UTM URL Builder Build UTM-tagged URLs with real URL parsing, percent encoding, existing-query preservation and custom parameters.

95 0 URL Parser Parse URLs into protocol, host, path, query, fragment and individual parameter components using the native URL API.

96 0 HTTP Status Code Reference Searchable local reference for common HTTP status codes, meanings and developer use cases.

97 0 User-Agent Parser Parse common browser, OS, device, engine and crawler signals from a User-Agent string entirely in the browser.

98 0 Color Palette Generator Generate mathematically related color palettes with locking, HEX/RGB/HSL values, contrast checks and exports.

99 0 Contrast Checker Check actual WCAG contrast ratios between foreground and background colors with quick pass/fail guidance and live previews.

100 0 Typography Scale Generator Generate a mathematically consistent modular typography scale with live hierarchy previews and CSS variables.

101 0 CSS Unit Converter Convert CSS units with real reference relationships and explicit typography, percentage, and viewport context.

102 0 Date Difference Calculator Calculate exact elapsed duration and calendar difference between two local date/time values, including leap-year and month-length handling.

103 0 Business Days Calculator Count business days between dates using configurable weekends, holidays and inclusive/exclusive date rules.

104 0 Time Zone Converter Convert date/time values between browser-supported IANA time zones with DST-aware local-to-instant handling.

105 0 Unix Timestamp Generator Convert date/time to Unix seconds or milliseconds and decode timestamps back to ISO, UTC and local dates.

106 0 WCAG Color Contrast Analyzer Analyze color pairs against WCAG contrast criteria with a detailed compliance matrix and accessibility-oriented UI previews.

107 0 ARIA Attribute Helper Search and inspect common ARIA attributes, expected values, applicable roles and example markup.

108 0 HTML Accessibility Checker Run deterministic browser-side HTML accessibility checks for structure, labels, headings, links, tables and basic ARIA issues.

109 0 HTML Previewer Edit HTML and render it safely in a sandboxed iframe with responsive viewport presets and real HTML downloads.

110 0 IP Address Information Tool Look up public IPv4 and IPv6 addresses with network, ASN, organization, country, timezone and approximate location details.

111 0 IPv4 Subnet Calculator Calculate IPv4 network, mask, wildcard, broadcast, host range and binary details from CIDR or subnet-mask input.

112 0 DNS Record Formatter Parse and normalize common DNS records while preserving quoted TXT values and exposing structured record fields.

113 0 Text to Speech Generator Speak text with the browser Web Speech API using available voices, languages and adjustable rate, pitch and volume.

114 0 Random Ringtone Generator Generate short procedural ringtone melodies with selectable motif style, tempo, octave, brightness and seed, with WAV export.

115 0 SFX Generator Generate procedural UI, impact, sweep, laser, alert and other sound effects with real Web Audio-style synthesis and WAV export.

116 0 Tone & Frequency Generator Generate a real browser tone with selectable waveform, frequency, volume and duration plus musical-note information.

117 0 Binaural / Frequency Tone Generator Generate true stereo two-frequency tones with separate left/right channels and an explicit carrier/beat relationship.

118 0 Audio Waveform Generator Generate real PCM audio waveforms and visualize the generated samples with WAV export.

119 0 Audio Volume / Gain Tool Apply mathematically correct dB gain and optional normalization to a decoded local audio file, then export a real WAV.

120 0 Audio Trim & Cut Tool Trim a browser-decodable local audio file by precise start/end times and export only the selected samples as WAV.

121 0 Audio Speed & Pitch Tool Change audio speed and apply pitch-via-resampling transparently, with real local processing and WAV export.

122 0 Character & Symbol Inspector Inspect Unicode code points, UTF-8 bytes, UTF-16 units, categories and grapheme counts for pasted text.