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ToolForUser
  • Image CompressorImage Tools · Make photos and graphics smaller by re-encoding them as JPG or WebP, with a quality slider and optional downscaling.
  • Image ResizerImage Tools · Change the width and height of an image in pixels or by percentage, with high-quality downscaling.
  • Image ConverterImage Tools · Change the format of one or many images to JPG, PNG or WebP, with control over quality and transparency.
  • Image CropperImage Tools · Cut out part of an image with a draggable selection, aspect ratio presets and exact pixel inputs.
  • Rotate & Flip ImageImage Tools · Turn a picture by 90° or 180° and mirror it horizontally or vertically, with a live preview.
  • Merge PDFPDF Tools · Combine several PDF files into one document, in the order you choose, with optional page ranges per file.
  • Split PDFPDF Tools · Extract pages into a new PDF or split a document into several files by page, range or fixed page count.
  • Reorder PDF PagesPDF Tools · Change the page order of a PDF with drag and drop, delete unwanted pages and save the result.
  • Rotate PDFPDF Tools · Turn individual pages or the whole document by 90° steps, preview the result and save the corrected PDF.
  • Images to PDFPDF Tools · Combine photos and scans into a single PDF, one image per page, with page size, orientation and margin options.
  • JSON Formatter & ValidatorDeveloper Tools · Validate JSON with precise error locations, then pretty-print, minify or sort keys without changing any value.
  • Base64 Encoder & DecoderDeveloper Tools · Encode text or files to Base64 (standard or URL-safe) and decode Base64 or data: URLs back to text or a downloadable file.

Developer Tools

Everyday utilities for developers, testers and anyone working with data formats. Input is processed locally in your browser, which makes these tools safe to use with API responses, tokens and configuration snippets.

Each tool gives immediate feedback, clear error messages and one-click copying of the result.

Runs locally in your browser – your data is not uploaded

Available tools

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