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Full in-browser image editor: crop, resize, rotate, flip, adjust colors, blur, annotate and export
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File conversion & dev tools in your browser.
176 free tools for PDF, images, docs and code. Nothing is uploaded.
Step 1 of 4: Choose file
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Step 1 of 4 · Choose file
- 1Choose file
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- 3Convert
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Files never leave your deviceNo account, no watermarks
Most used
Popular tools
The jobs people come here for most, and what each tool does well
Compress PDFTwo methods: keep text selectable, or shrink scans by up to 90%PDF MergeJoin any number of PDFs, in the order you setImage to PDFTurn photos into one PDF, at A4, Letter or each photo's own sizePDF to Word (DOCX)Get the text out of a PDF into an editable Word fileImage CompressorSet the quality and see the new file size before you downloadResize ImageExact pixel sizes for forms, with the aspect ratio lockedBackground RemoverAI background removal that runs on your own deviceHEIC to JPGOpen iPhone photos anywhere, in any browserQR Code GeneratorQR codes for links, Wi-Fi, contacts and UPI paymentsVideo CompressorShrink phone videos by lowering resolution and qualityMP4 to MP3Save the audio from a video as an MP3Word CounterWords, characters, reading time and readability as you type
All tools
176 tools, grouped by what they work on.
176 tools shown
File Converters56
PNG to JPG, MP4 to MP3, Excel to CSV
- File ConverterConvert images, audio, video, spreadsheets and PDFs between 25+ formats, all in your browser
- PNG to JPGConvert PNG images to JPG with a quality slider and a fill colour for transparency
- JPG to PNGConvert JPG photos to lossless PNG files, individually or in a batch
- WebP to JPGTurn WebP images saved from the web into JPG files that open everywhere
- WebP to PNGConvert WebP images to PNG and keep their transparent background
- JPG to WebPShrink JPG photos for the web by converting them to WebP
- PNG to WebPConvert PNG graphics and screenshots to much smaller WebP files with transparency
- HEIC to JPGConvert iPhone HEIC photos to JPG or PNG without uploading them anywhere
- AVIF to JPGConvert AVIF images to JPG or PNG for apps and editors that cannot open AVIF
- TIFF to JPGConvert TIFF scans and camera exports to JPG, PNG or PDF in your browser
- Audio ConverterConvert WAV, FLAC, M4A, OGG and video soundtracks to MP3 or WAV locally
- MP4 to MP3Extract the audio track from MP4, MOV or WebM video and save it as MP3
- WAV to MP3Compress large WAV recordings into MP3 at the bitrate you choose
- MP3 to WAVDecode MP3 into uncompressed 16-bit WAV for editing, CDs and audio software
- M4A to MP3Convert M4A voice memos and iTunes audio into MP3 that plays on anything
- Video to GIFTurn a clip of an MP4, WebM or MOV video into an animated GIF
- Excel to CSVConvert XLSX worksheets to CSV or TSV, one file per sheet if you want them all
- CSV to ExcelTurn CSV or TSV files into XLSX workbooks with numbers stored as numbers
- Excel to JSONConvert spreadsheet rows into JSON objects keyed by the header row
- JSON to ExcelFlatten JSON arrays and nested objects into an Excel XLSX sheet
- PDF to ExcelPull tables out of text-based PDFs into Excel XLSX or CSV
- PSD to PNGTurn Photoshop PSD files into PNG, JPG or WebP without Photoshop installed
- RAW to JPGExtract the full-size JPG from camera RAW files: DNG, NEF, CR2, CR3, ARW, RAF and more
- SVG to PDFConvert SVG graphics into vector PDF files that stay sharp at any zoom
- Video ConverterConvert videos between MP4, WebM, MOV and MKV using your device's video encoder
- Video CompressorShrink phone and screen recordings by lowering resolution and bitrate, without uploading
- MOV to MP4Convert iPhone and QuickTime MOV videos to MP4 that plays everywhere
- WebM to MP4Convert WebM screen recordings and downloads to widely supported MP4
- GIF to MP4Turn animated GIFs into MP4 or WebM videos that are a fraction of the size
- Excel to PDFPrint spreadsheets as clean PDF tables with repeated headers and page numbers
- XLS to XLSXUpgrade old Excel 97–2003 .xls workbooks to modern .xlsx files
- ODS to XLSXConvert LibreOffice and OpenOffice spreadsheets to Excel XLSX or CSV
- XML to JSONConvert XML files to JSON with attributes, repeated elements and text preserved
- JSON to XMLTurn JSON data into well-formed XML that round-trips back to the same JSON
- YAML to JSONConvert YAML config files such as Kubernetes or GitHub Actions to JSON
- JSON to YAMLConvert JSON into readable YAML for config files and documentation
- Images to PPTXBuild a PowerPoint deck from your photos or screenshots, one picture per slide
- PDF to PPTXTurn each PDF page into a PowerPoint slide, with the page text in the speaker notes
- EPUB to PDFConvert DRM-free EPUB e-books to PDF, plain text or a single HTML page
- Font ConverterConvert fonts between TTF, OTF, WOFF and WOFF2 without changing a single glyph
- TTF to WOFF2Compress TTF and OTF fonts into WOFF2 web fonts for faster page loads
- WOFF2 to TTFUnpack WOFF2 and WOFF web fonts back into installable TTF or OTF files
- RAR to ZIPRepack RAR archives as ZIP files that open on any computer without extra software
- 7Z to ZIPConvert 7-Zip archives into ordinary ZIP files
- TAR to ZIPConvert TAR, TAR.GZ, TGZ, TAR.BZ2 and TAR.XZ archives to ZIP
- ZIP to TAR.GZRepack ZIP, 7z or RAR archives as TAR or TAR.GZ for Linux and servers
- JPG to AVIFConvert JPG, PNG and WebP images to AVIF, the smallest widely supported web image format
- PNG to SVGTrace logos, icons and line art from PNG or JPG into scalable SVG vectors
- TIFF to PDFCombine every page of a multi-page TIFF scan or fax into one PDF at its real print size
- AI to PDFOpen Adobe Illustrator .ai files as PDF, PNG or JPG without Illustrator
- WAV to FLACCompress WAV and other audio into lossless FLAC, about half the size with no quality loss
- CSV to SQLTurn CSV or Excel data into CREATE TABLE and INSERT statements for MySQL, PostgreSQL or SQLite
- Markdown to EPUBBuild an EPUB e-book from Markdown, plain text or HTML, with chapters and a table of contents
- RTF to DOCXConvert RTF documents to Word DOCX, plain text or HTML, keeping bold, italic and paragraphs
- SRT to VTTConvert SRT subtitles to WebVTT for HTML5 video players and YouTube
- VTT to SRTConvert WebVTT captions to SRT for video editors, VLC and media players
PDF Tools24
Merge, split, compress, OCR, convert
- PDF MergeCombine multiple PDF files into one document with drag-and-drop reordering
- PDF SplitSplit a PDF into individual pages or custom page ranges in your browser
- Compress PDFShrink a PDF by rebuilding its structure or compressing scanned page images
- PDF to Word (DOCX)Extract text from a PDF and convert it into an editable Word DOCX file locally
- PDF to ImageConvert each PDF page to high-quality JPG or PNG images in your browser
- Image to PDFCombine one or multiple JPG or PNG images into a single PDF document
- HTML to PDFConvert HTML content into a paginated PDF document in your browser
- Text to PDFConvert plain text content into a formatted PDF document
- PDF OCRExtract text from scanned or image-based PDFs using OCR technology in browser
- Extract Text from PDFPull all text content out of any PDF file and copy or download as TXT
- Extract Images from PDFExtract all embedded images from a PDF and download them individually
- Rotate PDFRotate all or selected PDF pages by 90, 180 or 270 degrees
- Reorder PDF PagesDrag and drop PDF pages into any order and save the rearranged document
- Delete PDF PagesRemove specific pages from a PDF document quickly in browser
- Crop PDFCrop margins or trim PDF pages to a custom size
- Add WatermarkStamp a text watermark such as CONFIDENTIAL or DRAFT onto every PDF page
- Add Page NumbersAdd automatic page numbers to any position on every PDF page
- Add Header & FooterInsert custom header and footer text into every PDF page
- Sign PDFDraw, type or upload a signature and place it on any PDF page
- Fill PDF FormsFill in interactive PDF form fields directly in your browser
- Flatten PDFFlatten form fields and annotations into the PDF page content
- Compare PDFsHighlight differences between two PDF documents side by side
- Redact PDFPermanently black out sensitive text or regions in a PDF
- PDF Metadata EditorView and edit title, author, subject and keywords stored in a PDF
Word & Office8
DOCX to PDF, HTML, Markdown, view
- DOCX to PDFConvert Microsoft Word DOCX files to PDF format entirely in browser
- DOCX to HTMLExtract formatted HTML markup from Word DOCX documents
- DOCX to MarkdownConvert Word documents to clean Markdown format
- DOCX to TXTStrip formatting and extract plain text from Word DOCX files
- Markdown to DOCXConvert Markdown files into formatted Word DOCX documents
- Word ViewerView DOCX files directly in your browser without Microsoft Word
- Document CompareCompare two Word documents and highlight text differences
- Remove FormattingStrip all formatting from a Word document and produce clean plain text
Excel & CSV9
Edit, clean, convert, merge spreadsheets
- CSV ViewerView and browse CSV files in a clean table layout in browser
- CSV EditorEdit CSV data in an interactive spreadsheet-style table editor
- CSV CleanerRemove extra spaces, fix encodings, and sanitize CSV data automatically
- CSV to JSONConvert CSV files to JSON arrays with configurable key mapping
- JSON to CSVFlatten JSON arrays into CSV rows with automatic header detection
- TSV ConverterConvert between TSV (tab-separated) and CSV or JSON formats
- Delimiter ConverterChange the delimiter of any delimited text file, comma, tab, pipe, semicolon
- Remove Duplicate RowsDetect and delete duplicate rows in any CSV or XLSX file
- Merge CSV FilesMerge multiple CSV files by appending rows or joining on a key column
Image Tools20
Compress, resize, crop, remove backgrounds
- Image CompressorCompress JPEG, PNG, WebP & AVIF images with quality control, no upload needed
- Resize ImageResize images to exact pixel dimensions or by percentage - all in browser
- Crop ImageCrop any image to a precise selection with aspect ratio locking
- Rotate ImageRotate images by any angle to fix a sideways photo or straighten a horizon
- Flip ImageMirror images horizontally or vertically
- Convert Image FormatsConvert images to PNG, JPG or WebP, one at a time or in a batch
- SVG ConverterConvert SVG to PNG/JPG or rasterize SVG files at any resolution
- ICO GeneratorCreate multi-size ICO favicon files from any image
- Background RemoverRemove backgrounds from images using WebGPU/WASM AI models, no upload
- Sharpen ImageSharpen blurry photos and enhance image details using browser filters
- Brightness / ContrastAdjust the brightness, contrast, saturation and hue of any image
- Image to Base64Encode any image file to a Base64 data URL string
- Base64 to ImageDecode a Base64 data URL string back into an image file
- OCR - Image to TextExtract text from any image using Tesseract.js OCR running in browser
- Watermark ImageAdd a text watermark to images, in a corner, the centre or tiled across
- Image EditorFull in-browser image editor: crop, resize, rotate, flip, adjust colors, blur, annotate and export
- Drawing BoardFull-screen drawing app: sketch on a blank canvas or over a photo with brushes, shapes, text and layers
- Remove MetadataStrip EXIF and other metadata from images for privacy
- Batch ResizeResize hundreds of images at once to the same dimensions
- QR Code GeneratorGenerate QR codes for links, Wi-Fi, contact cards and UPI payments
Developer20
JSON, JWT, Base64, formatters
- JSON FormatterFormat, minify, validate, repair and explore JSON with tree inspector
- XML FormatterFormat, minify and validate XML documents with syntax highlighting
- YAML FormatterFormat, validate and convert YAML to JSON or JSON to YAML
- SQL FormatterBeautify and format SQL queries with configurable dialect and indentation
- HTML Formatter / MinifierPrettify or minify HTML markup with configurable indent size
- CSS Formatter / MinifierFormat or minify CSS stylesheets and SCSS/LESS snippets
- JS Formatter / MinifierPrettify or minify JavaScript and TypeScript code in browser
- URL Encoder / DecoderEncode or decode URI components and full URLs
- Base64 Encoder / DecoderEncode text or files to Base64 and decode Base64 strings back to data
- JWT Token InspectorDecode JWT header, payload, verify expiry and inspect claims
- UUID / GUID GeneratorGenerate RFC4122 v4 UUIDs in bulk with casing and separator options
- Hash GeneratorGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes of any text
- Diff CheckerCompare two code files or text blocks and show a colour-coded diff
- Markdown PreviewWrite Markdown in a live editor and see the rendered HTML side by side
- HTML ↔ MarkdownConvert HTML to Markdown or Markdown to HTML
- JSON to TypeScriptGenerate TypeScript interfaces, Zod schemas, Go structs or Python dataclasses from JSON
- Cron Expression ParserExplain any cron expression in plain English and preview its next run times
- HTTP Status CodesSearch every HTTP status code with a plain-English explanation of what it means
- JSONPath TesterQuery a JSON document with JSONPath expressions and see matching values live
- Mock JSON GeneratorGenerate realistic fake JSON, CSV or SQL test data from custom field definitions
Security5
Passwords, passphrases, checksums
- Password GeneratorGenerate cryptographically strong passwords with custom charset and entropy meter
- Passphrase GeneratorGenerate memorable multi-word passphrases from a list of 250 common words
- Password Strength CheckerAnalyse password strength, entropy bits and estimated crack time
- File ChecksumVerify a download by computing and comparing its SHA-256 and SHA-1 checksums
- Random String GeneratorGenerate random strings with custom length, charset and output count
Text Utilities13
Count, clean, sort, convert text
- Word CounterCount words, characters, sentences and paragraphs, plus reading time and readability stats
- Case ConverterConvert text between camelCase, snake_case, kebab-case, PascalCase, UPPER and more
- Remove Duplicate LinesRemove duplicate lines from any block of text, with optional sorting
- Sort LinesSort lines of text alphabetically, numerically, by length, or reverse order
- Lorem Ipsum GeneratorGenerate placeholder Lorem Ipsum text by paragraphs, sentences or words
- Slug GeneratorConvert any text to a URL-friendly slug with customizable separators
- Text CleanerRemove extra whitespace, special characters, HTML tags and fix encoding issues
- Find & ReplaceFind and replace text with plain string or regex patterns across a document
- Remove Empty LinesStrip all blank or empty lines from a block of text
- Extract EmailsPull all email addresses from any block of text using regex
- Extract URLsExtract all URLs and hyperlinks from a text block or HTML source
- Extract Phone NumbersFind and extract all phone numbers from a body of text
- Live Regex TesterTest regular expressions in real-time with flags, match highlights and groups
Color & CSS4
Converter, gradients, palettes
- Color ConverterConvert colors between HEX, RGB and HSL formats
- Gradient GeneratorBuild CSS linear and radial gradients visually and copy the CSS code
- Palette GeneratorGenerate harmonious color palettes from a seed color with multiple harmony rules
- Contrast CheckerCheck WCAG AA/AAA contrast ratio between text and background colors
Calculators9
Units, time zones, EMI, GST, BMI, age
- Unit ConverterConvert between length, weight, temperature, area, volume, speed and more
- Time Zone ConverterConvert times between any two time zones and see world clock
- Timestamp ConverterConvert Unix timestamps to human-readable dates and back
- Age CalculatorCalculate exact age in years, months, days and hours from a birthdate
- Percentage CalculatorCalculate percentages, percentage change, and reverse percentage problems
- BMI CalculatorCalculate Body Mass Index with metric and imperial unit support
- EMI CalculatorCalculate monthly EMI for loans with breakdown of principal and interest
- GST CalculatorCalculate GST inclusive/exclusive amounts and breakdown by tax slab
- Number to WordsWrite any amount in words, in lakh and crore or millions, with rupees and paise
Web Tools6
URL parser, entities, Unicode, binary
- URL ParserParse any URL into its components: protocol, host, path, query, fragment
- User Agent ParserParse any user-agent string into browser, OS, device and engine details
- MIME Type CheckerDetect the MIME type of any file by reading its magic bytes locally
- HTML Entity EncoderEncode or decode HTML entities such as &, <, > and &#x...
- Unicode ConverterConvert characters to Unicode code points and back, supports emoji and scripts
- ASCII ConverterConvert text to ASCII codes and ASCII codes back to characters
Archive Tools2
Create and extract ZIP files
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New Tools
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Image Tools New
Drawing Board
Full-screen drawing app: sketch on a blank canvas or over a photo with brushes, shapes, text and layers
Open
File Converters New
File Converter
Convert images, audio, video, spreadsheets and PDFs between 25+ formats, all in your browser
Open
File Converters New
PNG to JPG
Convert PNG images to JPG with a quality slider and a fill colour for transparency
Open
How it works
What happens when you open a file
Every tool here runs in your browser. This is what that means in practice, including the parts that are not obvious.
Your file stays in this tab
Opening a file reads it from your disk into this browser tab. The work runs on your own processor: pdf-lib and pdf.js for PDFs, Tesseract for OCR, libarchive for RAR and 7z, and the browser's own encoder for MP4 and WebM. There is no upload step because there is no server to receive one.
Two tools download extra code
The AI background remover fetches its model from IMG.LY's CDN, and OCR fetches Tesseract and its language data from jsDelivr. That is code coming to you, not your file going out, and the browser caches it, so the second run starts straight away.
Your device sets the limits
With no server doing the heavy lifting, how large a file a tool can handle depends on your memory and processor. A laptop merges a long PDF comfortably; a phone may struggle with a long 4K video. Each tool page lists its own limits.
What is stored, and where
There are no accounts. Results you keep in My Files are saved in this browser's own storage and can be cleared from Settings. What reaches us is a message you send through the contact form, or a payment record if you choose to support the site.
Free, paid for by ads
No paid tiers and no watermarks. The site is paid for by advertising and optional support payments. Analytics and advertising scripts see page visits, as the privacy policy explains, but never the contents of your files.
Each page says what a tool cannot do
Every tool page explains which formats it reads, what a conversion drops, and when desktop software is the better choice. If a result looks wrong, the reason is usually there, and if it is not, the contact form reaches a person.
FAQ
Frequently asked questions
Answers to what people ask most before trying a tool.
Yes. Every tool on NextTool is free to use, with no paid tiers, watermarks or sign-up. The site is supported by advertising.
No. The tools run in your browser, so the files you open are processed on your own device and are not sent to us. Some tools download a library or an AI model the first time you use them; that is code coming to you, not your file going anywhere.
No account, no email and no sign-up required. Just open a tool and start using it immediately.
If History is on (the default), copies of your files and results are kept in this browser only, so you can download them again from the History page. You can turn History off or clear it at any time in Settings. With History off, files are discarded when you leave the page. Either way they stay on your device.
There is no limit set by us. Because the work happens on your device, the practical limit is your browser's memory: very large videos or PDFs with thousands of pages may be slow on a phone or an older computer.
Upload-based services send your file to their server, process it there and send the result back. NextTool does the processing inside your browser tab instead, so there is no upload wait and your file is not handed to a third party.