CConvertze

Convert anything.
Nothing leaves your device.

Free, fast tools for images, PDFs, text and everyday dev work. Everything runs right here in your browser, so your files never leave your hands.

Files stay on your device · Works offline · Open source

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Image tools

Convert, resize, compress, crop and rotate images, with batch support and zip downloads. Everything is processed by your browser and stays on your device.

Image ConverterPNG, JPG and WebP in any direction, batches too. Image ResizerResize to exact pixels, with or without aspect lock. Image CompressorCompress by quality, or hit an exact KB target. Image CropperCenter-crop images to an exact frame size. Image RotatorFix sideways photos in exact 90° steps. Favicon GeneratorTurn one image into a full favicon pack. SVG to PNG ConverterRasterize SVG vectors at 1× to 8× scale. HEIC to JPGiPhone photos to universal JPG, in batches. Image to Text (OCR)OCR for screenshots and photos, English and Hindi.

PDF tools

Merge, split, compress and convert PDFs locally. Your documents stay on your device from the moment you pick them to the moment you download the result.

Merge PDFCombine multiple PDFs, in the order you choose. Split PDFExtract pages or ranges into separate PDFs. Compress PDFShrink heavy PDFs to a fraction of their size. Sign PDFDraw, type or upload a signature, then place it. Rotate PDFTurn pages 90°, 180° or 270°, all or a range. Images to PDFCombine JPG, PNG or WebP photos into one A4 PDF. PDF to ImagesEvery page rendered as a JPG or PNG. PDF to TextPull the text layer out; copy or download it. PDF to MarkdownText, headings and lists inferred into clean .md. HTML to PDFRender an .html file into a paged A4 PDF. Markdown to PDFTurn .md and .txt files into clean PDFs. Watermark PDFDiagonal or flat text on every page, no upload. Reorder PDF PagesThumbnails, move pages around, remove pages. Word to PDFDOCX to a clean paged PDF, right in the browser.

Developer tools

Textarea-first utilities for JSON, YAML, CSV, Base64, hashes, JWTs, regex, diffs and more. Paste, see the result live, copy out.

JSON FormatterBeautify or minify JSON live, with clear errors. JSON to YAML ConverterBoth directions, live, with validation. CSV to JSON ConverterHeader-row CSV to a JSON array, and back. Base64 Encode / DecodeText and file modes, both directions. Hash GeneratorChecksum any text or file instantly. JWT DecoderInspect tokens locally; expiry made readable. Timestamp ConverterSeconds, millis, ISO and local, live. Text DiffSide-by-side inputs, green/red line diff. Regex TesterLive match highlighting, flags, groups. Color ConverterPaste any CSS color, get every format. URL Encode / DecodePercent-encoding, both directions, live. Markdown PreviewType Markdown, see rendered HTML instantly. UUID GeneratorCryptographically random v4 UUIDs, one or many. Password GeneratorLength, character sets, cryptographic randomness. QR Code GeneratorAny text or URL to a downloadable QR code. SQL FormatterBeautify SQL live, MySQL and PostgreSQL aware. XML FormatterBeautify or minify XML, with clear parse errors. Cron ExplainerPlain English plus the next 5 run times.

Text tools

Count, clean, convert and generate text. Word counts, case changes, sorted lists, slugs and placeholder copy, all live as you type.

Word CounterLive word, character, sentence and paragraph counts. Case ConverterUPPER, lower, Title, camelCase, snake_case and more. Sort & Dedupe LinesSort lines A-Z, remove duplicates, reverse, trim. Lorem Ipsum GeneratorParagraphs, sentences or words of filler text. Slug GeneratorClean, lowercase, hyphenated slugs from any text.

Calculators

Everyday calculators and converters. Live currency conversion now, units and more on the way. Instant, free, no sign-up.

Currency Converter160+ currencies, daily rates, instant conversion. Length Convertercm to inches, feet to metres, km to miles, live. Weight Converterkg to lbs, grams to ounces, tonnes, live. Temperature ConverterC to F to K, both directions, live. Area ConverterSq ft to sq m, acres, hectares, live. Speed Converterkm/h to mph, m/s, knots, live. Data Size ConverterKB, MB, GB, TB and their 1024-based cousins. Percentage CalculatorX% of Y, X as a percent of Y, percent change. Age CalculatorYears, months, days, and days to next birthday. EMI CalculatorMonthly EMI, total interest, total payment. GST CalculatorGST at 5, 12, 18 or 28%, with CGST/SGST split. BMI CalculatorMetric or imperial, with WHO category. Invoice GeneratorLine items, GST split, clean PDF, no watermark. Number to WordsLakh/crore or millions, plus rupees for cheques.