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59 TOOLS • FREE • NO SIGN-UPFree Online Tools.
Free Online Tools.
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DeloKit brings everyday image, PDF, text, data and media utilities into one focused workspace. Open a tool, get it done, download.
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59Free online tools
6Focused categories
VI · ENBilingual interface
TOP TOOLS
See all toolsPopular tools
Fast entry points to the tools people need most often.
Top 1Compress Image
Reduce image file size and compare the result with a Before ↔ After slider.
PopularMerge PDFCombine multiple PDFs in a clean browser workflow.
PopularImage to TextExtract text from screenshots or scanned images.
TopPDF to TextPull readable text out of PDF documents.
DeveloperJSON FormatterFormat, validate and minify JSON instantly.
UtilityPassword GeneratorCreate strong random passwords with custom options.
BROWSE FASTER
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Jump into a focused category, then choose the exact tool you need.
Image Tools15 tools
↗Compress, resize, convert and optimize images directly in your browser.
PDF Tools9 tools
↗Merge, split, rotate and edit PDF files with privacy-first browser tools.
Text Tools13 tools
↗Clean, transform and analyze text with simple online utilities.
Developer Tools11 tools
↗JSON, JWT, URL, UUID and other developer utilities in one place.
Utility Tools8 tools
↗Useful calculators, converters and small helpers for everyday work.
Video & Audio Tools3 tools
↗Small browser-based tools for video and audio tasks.
TOOL LIBRARY
All tools
Filter the full library or start with a category.
Image ConverterConvert JPG, PNG and WebP directly on your device.↗Compress ImageReduce image file size with adjustable quality.↗Resize ImageChange width and height while preserving aspect ratio.↗Crop ImageCrop an exact image region using coordinates and dimensions.↗Rotate ImageRotate an image by 90°, 180° or 270°.↗Flip ImageFlip an image horizontally or vertically in your browser.↗Grayscale ImageConvert a color image to grayscale.↗Brightness & ContrastAdjust image brightness and contrast before download.↗Remove Image MetadataCreate a clean copy without common EXIF/GPS metadata.↗Image to Base64Convert an image to a Base64 Data URL.↗Base64 to ImageRestore an image from a Data URL or Base64 string.↗Image to Text OCRExtract Vietnamese or English text from images.↗Image Color PickerClick an image to pick a pixel HEX and RGB color.↗Image DimensionsInspect pixel dimensions, aspect ratio and file size.↗Image to PDFCombine JPG/PNG images into one PDF file.↗Merge PDFMerge multiple PDFs in your selected order.↗Split PDFExtract one or more page ranges into a new PDF.↗PDF to ImagesRender PDF pages as PNG images.↗PDF to TextExtract selectable text from a PDF in your browser.↗Rotate PDF PagesRotate all PDF pages by 90°, 180° or 270°.↗Delete PDF PagesRemove selected pages from a PDF.↗Add PDF WatermarkAdd a text watermark to every PDF page.↗Add PDF Page NumbersAdd page numbers to the bottom of each PDF page.↗PDF Metadata EditorView and edit PDF title, author, subject and keywords.↗Word & Character CounterCount words, characters, sentences and reading time.↗Case ConverterConvert UPPERCASE, lowercase, Title Case and Sentence case.↗Text CleanerRemove extra spaces and excessive blank lines.↗Remove Duplicate LinesRemove duplicated lines from text.↗Sort LinesSort lines A→Z, Z→A or by length.↗Reverse TextReverse characters, words or line order.↗Find & ReplaceQuickly find and replace within text.↗Slug GeneratorTurn a title into a clean URL-friendly slug.↗Lorem Ipsum GeneratorGenerate placeholder text by paragraph count.↗Text DiffCompare two texts line by line.↗HTML Escape / UnescapeEscape or unescape special HTML characters.↗Text Base64Encode or decode UTF-8 text as Base64.↗Character FrequencyAnalyze the most frequent characters in text.↗JSON FormatterFormat, minify and validate JSON.↗JSON to CSVConvert a JSON object array into CSV.↗CSV to JSONConvert CSV with headers into JSON.↗URL Encoder / DecoderEncode or decode URLs and URL components.↗UUID GeneratorGenerate UUID v4 values with Web Crypto.↗SHA-256 Hash GeneratorGenerate a SHA-256 hash from text on your device.↗Password GeneratorGenerate random passwords with character options.↗JWT DecoderInspect JWT header and payload without uploading the token.↗Unix Timestamp ConverterConvert seconds/milliseconds timestamps to dates and back.↗Color ConverterConvert HEX to RGB/HSL and back.↗Query String ParserParse a query string or URL into JSON.↗Percentage CalculatorCalculate percentages, increases and ratios.↗Aspect Ratio CalculatorCalculate a missing dimension while keeping aspect ratio.↗Length ConverterConvert mm, cm, m, km, inch, foot and mile.↗Data Size ConverterConvert B, KB, MB, GB and TB.↗Age CalculatorCalculate exact age from a birth date.↗Date DifferenceCalculate the number of days between two dates.↗Random Number GeneratorGenerate one or more random numbers in a range.↗Simple CalculatorCalculate arithmetic expressions with + − × ÷ and parentheses.↗Audio TrimmerTrim an audio segment and export WAV in your browser.↗Video InfoInspect video resolution, duration, format and file size.↗Video ThumbnailPick a time and save a video frame as PNG.↗
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One site, many jobs
Image, PDF, text, developer utilities, calculators and media live in one experience.
Built to be the tab you come back to.
Skip installing software for small jobs. DeloKit puts frequently used utilities into one fast, consistent interface.