100% CLIENT-SIDE
Free online utility tools that run in your browser
Convert images, edit PDFs, process video and audio, format data and more. Everything runs locally on your device. No uploads, no accounts, no limits.
Image Tools
Convert, compress, resize and edit images entirely in your browser.
PNG to JPG
Convert PNG images to JPG in your browser. Flatten transparency onto any background colour, adjust the quality, batch-convert many files and download instantly.
JPG to PNG
Convert JPG and JPEG photos to lossless PNG right in your browser. Batch-convert multiple images at once and download each result. Nothing is ever uploaded.
Image to WebP
Convert PNG and JPG images to WebP in your browser. Shrink file sizes with an adjustable quality slider, batch-convert many files and download instantly.
WebP to PNG
Convert WebP images to PNG in your browser while keeping full transparency. Batch-convert multiple files at once and download each result. Private and offline.
SVG to PNG
Convert SVG vector files to crisp PNG images in your browser. Choose 1x, 2x or 4x scale or a custom width, keep transparency and batch-export instantly.
Compress Image
Compress JPG, PNG and WebP images in your browser. Adjust quality, optionally resize, and see before-and-after sizes. Batch-compress and download as a ZIP.
Resize Image
Resize images in your browser by pixels or percentage with an aspect-ratio lock. Choose PNG, JPG or WebP output and download. Nothing leaves your device.
Logo Maker
Create a text logo in your browser. Upload any font, type your brand name, pick a solid or gradient background, then export a sharp SVG or PNG for free.
Crop Image
Crop an image in your browser with a draggable box. Set a free or fixed 1:1, 4:3 or 16:9 ratio, then export a PNG, JPG or WebP. Nothing leaves your device.
Any Image to Any Image
Convert any image to PNG, JPG or WebP in your browser. Accepts PNG, JPG, WebP, GIF, BMP and SVG, supports batches, and downloads results as a ZIP. Fully private.
Clipboard Image Downloader
Paste an image from your clipboard and download it as PNG, JPG or WebP, or copy it back. Great for screenshots. Everything runs locally in your browser.
Rotate Image
Rotate images 90, 180, or 270 degrees clockwise or counter-clockwise.
Flip Image
Mirror images horizontally or vertically in your browser.
Image Filters
Apply brightness, contrast, saturation, blur and other filters to images.
Invert Image
Invert all colours in an image instantly for a negative effect.
Watermark Image
Add a repeating text watermark to protect your images.
Add Image Border
Add solid coloured borders and padding around your images.
Image to Base64
Convert images to Base64 data URLs for embedding in CSS or HTML.
Image Color Picker
Extract exact HEX and RGB colour codes by clicking anywhere on an image.
Image Palette Extractor
Extract the dominant colours from any image to create a matching palette.
PDF Tools
Merge, split, compress and convert PDF documents without uploads.
Merge PDF
Merge multiple PDF files into a single document directly in your browser. Reorder files, combine reports, contracts or scans, then download instantly.
Split PDF
Split a PDF into several files by page ranges or extract every page separately. Download the pieces as a ZIP, all processed right on your own device.
Rotate PDF
Rotate PDF pages by 90, 180 or 270 degrees to fix sideways scans and photos. Turn every page or just the ones you pick, then download the corrected file.
Extract PDF Pages
Extract specific pages from a PDF into a new file using ranges like 1-3, 5, 8-10. Keep only the pages you need, all processed locally in your browser.
Images to PDF
Convert JPG and PNG images into a single PDF. Reorder pictures, choose A4, Letter or fit-to-image pages plus margins, then download. No upload needed.
PDF to Images
Convert each page of a PDF into PNG or JPG images in your browser. Pick the resolution, preview every page, then download them one by one or as a ZIP.
Reorder PDF
Reorder the pages of a PDF by dragging thumbnails or using arrow buttons, then download the rearranged file. Everything runs locally in your browser.
Compress PDF
Reduce PDF file size by optimising internal structure and objects.
Protect PDF
Add a password to encrypt and secure your PDF documents.
Watermark PDF
Stamp a text watermark across every page in your PDF document.
Number PDF Pages
Add sequential page numbers to the footer of every PDF page.
Crop PDF
Trim margins and crop the visible area of PDF pages.
HTML to PDF
Convert HTML snippets directly into PDF documents.
Unlock PDF
Remove passwords and restrictions from PDF files.
Video Tools
Trim, convert and extract audio from video files right on your device.
Extract Audio from Video
Extract the audio track from an MP4, WebM or MOV video and save it as MP3 or AAC. Runs entirely in your browser. No upload, no watermark, no sign-up.
Trim Video
Cut a clip from any video by setting start and end times. Fast lossless stream-copy or exact re-encode, 100% in your browser. No upload, no watermark.
Compress Video
Shrink video file size in your browser with an H.264 quality slider and optional 1080p/720p/480p cap. See before and after sizes. No upload, no watermark.
Mute Video
Remove the audio track from a video and keep the picture untouched. Fast and lossless, the video isn't re-encoded. 100% in-browser, no upload, no watermark.
Crop Video
Crop the frame of your video to remove unwanted edges.
Rotate Video
Rotate videos 90 or 180 degrees, or flip them horizontally/vertically.
Resize Video
Scale video resolution up or down while optionally preserving aspect ratio.
Change Video Speed
Speed up or slow down video playback with pitch-corrected audio.
Reverse Video
Play video backwards by reversing both the video and audio streams.
Video to GIF
Convert video clips into high-quality animated GIFs.
Watermark Video
Add a text or image watermark to your videos. Customize position, size and opacity, processed entirely in your browser using FFmpeg.wasm.
Audio Tools
Convert, trim and adjust audio files locally with zero uploads.
Audio Converter
Convert audio between MP3, WAV and OGG right in your browser. Load MP3, WAV, OGG, M4A or FLAC and pick a bitrate. No upload, no watermark, no sign-up.
Trim Audio
Cut a section from an audio file by setting start and end times, with a built-in preview player. Keep the original format or export MP3. In-browser, no upload.
Merge Audio
Combine multiple audio files sequentially into a single track.
Change Audio Speed
Speed up or slow down audio playback without changing pitch.
Change Audio Pitch
Make audio sound deeper or higher by adjusting the pitch.
Change Audio Volume
Boost or reduce the volume level of audio files.
Reverse Audio
Play audio files backwards for interesting sound effects.
Data Tools
Convert and format CSV, JSON, Excel and other data formats offline.
CSV to JSON
Convert CSV to JSON in your browser. Paste or upload a file, auto-detect the delimiter, use the header row for keys, and download pretty or minified JSON.
JSON to CSV
Convert a JSON array of objects to CSV in your browser. Nested objects are flattened with dot notation into columns, ready to copy or download as a file.
CSV to Excel
Convert CSV to a real Excel .xlsx workbook in your browser. Paste or upload your data, preview the columns, and download a spreadsheet Excel opens natively.
Excel to CSV
Convert Excel .xlsx and .xls files to CSV in your browser. Pick a sheet when there are several, preview the data, and download clean comma-separated values.
JSON to YAML
Convert JSON data to YAML format instantly in your browser.
YAML to JSON
Convert YAML configuration files into valid JSON data.
XML to JSON
Convert XML documents into structured JSON objects.
JSON to XML
Convert structured JSON data into XML format with custom root tags.
CSV Editor
Edit CSV files directly in a clean table format. Add or delete rows and columns, rename headers, edit cells, and download your updated CSV file.
Text Tools
Count, transform, clean and analyse text instantly in your browser.
Word Counter
Count words, characters, sentences and paragraphs in your text instantly. See reading time and top keywords, all processed privately in your browser.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case instantly in your browser, then copy the result.
Slug Generator
Turn any title or phrase into a clean URL slug in your browser. Transliterate accents, choose a separator, and copy SEO-friendly slugs ready for your links.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text in your browser by paragraphs, sentences or words. Optionally start with the classic opening line, then copy it all.
Text Diff / Compare
Compare two text documents line by line with clear highlighting of additions and removals.
Remove Duplicate Lines
Clean up lists by instantly removing duplicate lines with case-sensitive options.
Sort Lines
Sort text lines alphabetically, by length, or numerically in ascending or descending order.
Remove Empty Lines
Strip blank lines and whitespace-only lines from text documents.
Reverse Lines
Reverse the order of lines in any text document instantly.
Remove Extra Spaces
Clean up messy text by collapsing multiple spaces into one and trimming lines.
Add Line Numbers
Add sequential line numbers to text with customisable separators.
Add Prefix/Suffix
Batch add text to the beginning or end of every line in a document.
Markdown Preview
Write and preview Markdown in real-time, then export to HTML.
Developer Tools
Encoders, generators and formatters for everyday development work.
UUID Generator
Generate random UUID v4 identifiers instantly in your browser. Create one or thousands of unique IDs, copy any of them, and download the whole list.
JSON Formatter
Format, beautify, minify and validate JSON online. Pick an indent size, catch syntax errors with the exact line number, then copy or download clean JSON.
Base64 Encode / Decode
Encode text and files to Base64 and decode Base64 back to text or files in your browser. Supports standard and URL-safe alphabets, with copy and download.
URL Encode / Decode
Percent-encode and decode URLs and query strings in your browser. Switch between encodeURIComponent and full-URI modes, then copy the result instantly.
JWT Decoder
Decode JSON Web Tokens in your browser to inspect the header and payload. See issued-at and expiry times as human dates. Signatures are not verified.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text or files in your browser using the Web Crypto API. Copy the hex digest with one click.
Password Generator
Create strong, random passwords in your browser with adjustable length and character sets. Uses crypto-grade randomness, shows strength, and generates in bulk.
QR Code Generator
Create QR codes from any text or URL in your browser. Adjust size and error correction, preview live, and download as a crisp PNG or scalable SVG file.
Regex Tester
Test regular expressions against your text live in the browser. Toggle flags, highlight every match and capture group, and browse a handy pattern cheatsheet.
HTML Formatter
Beautify and format minified HTML code with custom indentation.
CSS Formatter
Format and indent minified CSS code for better readability.
HTML Minifier
Compress HTML code by removing whitespace and comments.
HTML to Markdown
Convert rich HTML text into clean Markdown format.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal bases.
HTML Entities Encode/Decode
Encode or decode HTML entities to safely display special characters.
Crontab Helper
Generate and understand cron schedule expressions easily.
Image to ASCII Art
Convert any image into text-based ASCII art.
Color Tools
Pick, convert and generate color values and palettes in your browser.
Color Converter
Convert colors between HEX, RGB, HSL and OKLCH in your browser with a live swatch. Copy any format, or pick a color from your screen with the eyedropper.
CSS Gradient Generator
Build linear and radial CSS gradients in your browser with multiple color stops and an adjustable angle. Preview live and copy the CSS straight into your styles.
Color Contrast Checker
Check text and background colour contrast against WCAG accessibility guidelines.
Color Palette Generator
Generate monochromatic colour scales and UI palettes from a base colour.