Processing labels
Every V1 tool is marked On-device so you know the selected file is processed locally.
File handling →A serious everyday toolbox for images, PDFs, spreadsheets, text and developer tasks. Fast local processing, no account required.
The page can still load normal website assets. Optional analytics and advertising stay off unless configured and consented.
Common tasks with no account or installation.
Compress JPEG and WebP images locally with a visual quality control and no upload.
On-deviceCombine multiple PDF files into one PDF locally in your browser.
On-deviceTrim cells, normalize whitespace and remove completely empty rows from delimited data.
On-deviceStandardize messy CSV column headers into clean unique snake_case field names.
On-deviceSearch every sheet in an Excel workbook and export matching cells with sheet, row and column locations.
On-deviceValidate and pretty-print JSON with readable error messages.
On-deviceSearch by task or filter by category.
Compress JPEG and WebP images locally with a visual quality control and no upload.
On-deviceResize images to exact pixel dimensions in your browser while preserving aspect ratio when requested.
On-deviceConvert images between PNG, JPEG and WebP locally in your browser.
On-deviceRotate images by 90, 180 or 270 degrees and flip them horizontally or vertically.
On-deviceConvert an image to grayscale locally without sending the file anywhere.
On-deviceCreate a clean re-encoded copy of an image without common embedded metadata.
On-deviceConvert a local image into a Base64 data URL directly in your browser.
On-deviceDecode a Base64 image or data URL and download the resulting image file.
On-deviceCombine multiple PDF files into one PDF locally in your browser.
On-deviceExtract a page range from a PDF into a new PDF without uploading the document.
On-deviceExtract selected individual pages from a PDF into a new document.
On-deviceCombine JPG and PNG images into a PDF in the order you select them.
On-deviceConvert CSV, TSV, semicolon or pipe-delimited data into formatted JSON locally.
On-deviceConvert an array of JSON objects into standards-friendly CSV.
On-deviceTrim cells, normalize whitespace and remove completely empty rows from delimited data.
On-deviceRemove duplicate rows from CSV using all columns or a selected key column.
On-deviceSearch a CSV across all columns or filter against a specific column and export matches.
On-deviceStandardize messy CSV column headers into clean unique snake_case field names.
On-deviceKeep only the columns you need from a CSV and export a smaller clean file.
On-deviceSort delimited data by a chosen column in ascending or descending order.
On-deviceValidate and pretty-print JSON with readable error messages.
On-deviceValidate JSON and remove unnecessary whitespace to reduce size.
On-deviceRemove duplicate text lines while preserving the original order.
On-deviceConvert text to upper, lower, title, sentence, snake, kebab or camel case.
On-deviceEncode or decode URL components safely in your browser.
On-deviceEncode UTF-8 text to Base64 or decode Base64 back to Unicode text.
On-deviceGenerate SHA-256, SHA-384 or SHA-512 hashes locally using Web Crypto.
On-deviceCompress files to GZIP or decompress GZIP files with the browser Compression Streams API.
On-deviceGenerate cryptographically secure passwords locally with configurable length and character sets.
On-deviceGenerate one or many RFC 4122 version 4 UUIDs using the browser crypto API.
On-deviceAudit delimited data for blank cells, duplicate rows, duplicate headers and inconsistent row widths.
On-deviceSplit a large CSV into smaller files by row count while keeping the header in every part.
On-deviceCompare two CSV files by a key column and export added, removed and changed rows.
On-deviceSearch every sheet in an Excel workbook and export matching cells with sheet, row and column locations.
On-deviceEvery V1 tool is marked On-device so you know the selected file is processed locally.
File handling →We show actual processing stages and only show a percentage when it can be measured honestly.
Read the FAQ →Restrictive browser security headers, no application secrets, and optional services disabled by default.
Security Center →There is no account wall and no hidden upload fallback for the V1 tool catalog.
Reserved for a future non-blocking placement. Tool access must never depend on clicking an ad.