Runs locally in your browser. Privately.
Online file tools that stay in your browser
Fix, convert, compare, and inspect data without uploading file contents to a server.
Files & inspection
7File Type DetectorIdentify a file by its binary signature, even when its extension is missing or wrong.File Metadata ViewerInspect file properties, image EXIF data, dimensions, and PDF metadata locally.Hex ViewerView the first 64 KiB of any file as hexadecimal bytes and ASCII.Text Encoding DetectorDetect UTF-8, UTF-16, UTF-32, ASCII, BOM, and likely legacy text encodings.File Extension CheckerCheck whether a filename extension matches the file's actual binary format.Checksum VerifierCompare a file with an expected MD5, SHA-1, SHA-256, SHA-384, or SHA-512 checksum.Binary Strings ExtractorExtract readable ASCII and UTF-16 strings from the first 16 MiB of a binary file.
JSON
6JSON RepairPaste broken JSON, repair common syntax issues, and copy the cleaned result.JSON FormatterFormat valid JSON with readable indentation.JSON ValidatorCheck if pasted JSON is valid and see the parsed result.JSON MinifierRemove whitespace from valid JSON.JSON to TablePaste JSON arrays or objects and inspect them as a simple flattened table.JSON to CSVConvert a JSON object or array into CSV.
JSONL
6JSONL RepairFix malformed JSONL with a client-side repair engine. Nothing is uploaded to a server.JSONL FormatterFormat JSONL. Files are processed locally in chunks.JSONL ValidatorValidate JSONL. Files are processed locally in chunks.JSONL MinifierRemove whitespace from valid JSONL.JSONL to TableBuild table. Files are processed locally in chunks.JSONL to CSVConvert to CSV. Files are processed locally in chunks.
CSV
5CSV ViewerPreview CSV data as a simple table.CSV to JSONConvert CSV with headers into JSON.CSV Delimiter ConverterConvert CSV separators between commas, semicolons, tabs, and pipes.CSV Column Picker & ReorderSelect, remove, and reorder CSV columns in your browser.CSV DeduplicateRemove duplicate CSV rows using all columns or selected key columns.
Images
9Image CompressorCompress images toward a target file size while keeping the best practical quality.Image ResizerResize images by dimensions, percentage, or common social media presets.Image Format ConverterConvert images to JPG, PNG, WebP, or AVIF using formats supported by your browser.Image Metadata RemoverRemove embedded EXIF and GPS metadata by safely re-rendering the image in your browser.SVG to PNGConvert an SVG vector image to PNG at a chosen size without uploading it.Image to Base64 / Base64 to ImageConvert raster images to data URLs or decode Base64 image data locally.Image Crop & RotateCrop, rotate, and flip images precisely without uploading them.Color Palette ExtractorFind dominant image colors and export reusable CSS or JSON values.Favicon GeneratorCreate common favicon and app-icon sizes from one image.
PDF MergeCombine multiple PDF files into one PDF in your browser.PDF SplitExtract selected pages or page ranges from a PDF.PDF Rotate PagesRotate selected PDF pages by 90, 180, or 270 degrees in your browser.PDF Crop MarginsCrop equal margins from selected PDF pages without uploading the file.Images to PDFTurn JPG and PNG images into a single PDF file.PDF to ImagesExport selected PDF pages as PNG or JPEG images packed into a ZIP archive.PDF Blank Page RemoverDetect and remove blank scanned pages from a PDF in your browser.PDF Page ReorderReorder, reverse, or duplicate PDF pages with a page range pattern.PDF Metadata CleanerInspect and remove title, author, creator, dates, and keywords from a PDF.PDF Page Size InspectorCheck every page size in a PDF and spot mixed A4, Letter, landscape, or custom pages.PDF Normalize Page SizeFit every PDF page onto a consistent A4 or Letter page without uploading the file.PDF Form FlattenerInspect PDF form fields and flatten filled values into regular page content.