Processing labels
Every V1 tool is marked On-device so you know the selected file is processed locally.
File handling →Browser-first tools
Powerful tools.
Your files stay local.
Work with images, PDFs, spreadsheets, data and developer utilities directly in your browser.
Fast by designClear processing labelsNo signup
Your file stays on this deviceFor tools marked On-device, file processing happens inside your browser.
UNIVERSAL TOOL SEARCH
What do you want to do?
Try “Compress an image”, “Merge PDFs”, “Clean a CSV” or “Search Excel”.
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Popular tools
Common tasks with no account or installation.
Images
Image Compressor
Compress JPEG and WebP images locally with a visual quality control and no upload.
On-devicePDF
Merge PDF
Combine multiple PDF files into one PDF locally in your browser.
On-deviceData
CSV Cleaner
Trim cells, normalize whitespace and remove completely empty rows from delimited data.
On-deviceData
Header Cleaner
Standardize messy CSV column headers into clean unique snake_case field names.
On-deviceData
Excel Search
Search every sheet in an Excel workbook and export matching cells with sheet, row and column locations.
On-deviceDeveloper
JSON Formatter & Validator
Validate and pretty-print JSON with readable error messages.
On-deviceImages WORKSPACE
View all Images tools
Images
Image Compressor
Compress JPEG and WebP images locally with a visual quality control and no upload.
On-deviceImages
Image Resizer
Resize images to exact pixel dimensions in your browser while preserving aspect ratio when requested.
On-deviceImages
Image Converter
Convert images between PNG, JPEG and WebP locally in your browser.
On-deviceImages
Rotate & Flip Image
Rotate images by 90, 180 or 270 degrees and flip them horizontally or vertically.
On-devicePDF WORKSPACE
View all PDF tools
PDF
Merge PDF
Combine multiple PDF files into one PDF locally in your browser.
On-devicePDF
Split PDF
Extract a page range from a PDF into a new PDF without uploading the document.
On-devicePDF
Extract PDF Pages
Extract selected individual pages from a PDF into a new document.
On-devicePDF
Images to PDF
Combine JPG and PNG images into a PDF in the order you select them.
On-deviceData WORKSPACE
View all Data tools
Data
CSV to JSON
Convert CSV, TSV, semicolon or pipe-delimited data into formatted JSON locally.
On-deviceData
JSON to CSV
Convert an array of JSON objects into standards-friendly CSV.
On-deviceData
CSV Cleaner
Trim cells, normalize whitespace and remove completely empty rows from delimited data.
On-deviceData
CSV Duplicate Remover
Remove duplicate rows from CSV using all columns or a selected key column.
On-deviceText WORKSPACE
View all Text tools
Developer WORKSPACE
View all Developer tools
Developer
JSON Formatter & Validator
Validate and pretty-print JSON with readable error messages.
On-deviceDeveloper
JSON Minifier
Validate JSON and remove unnecessary whitespace to reduce size.
On-deviceDeveloper
URL Encoder & Decoder
Encode or decode URL components safely in your browser.
On-deviceDeveloper
Base64 Text Encoder
Encode UTF-8 text to Base64 or decode Base64 back to Unicode text.
On-deviceSecurity WORKSPACE
View all Security tools
Toolbox
Everything in one fast workspace
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Images
Image Compressor
Compress JPEG and WebP images locally with a visual quality control and no upload.
On-deviceImages
Image Resizer
Resize images to exact pixel dimensions in your browser while preserving aspect ratio when requested.
On-deviceImages
Image Converter
Convert images between PNG, JPEG and WebP locally in your browser.
On-deviceImages
Rotate & Flip Image
Rotate images by 90, 180 or 270 degrees and flip them horizontally or vertically.
On-deviceImages
Grayscale Image
Convert an image to grayscale locally without sending the file anywhere.
On-deviceImages
Remove Image Metadata
Create a clean re-encoded copy of an image without common embedded metadata.
On-deviceImages
Image to Base64
Convert a local image into a Base64 data URL directly in your browser.
On-deviceImages
Base64 to Image
Decode a Base64 image or data URL and download the resulting image file.
On-devicePDF
Merge PDF
Combine multiple PDF files into one PDF locally in your browser.
On-devicePDF
Split PDF
Extract a page range from a PDF into a new PDF without uploading the document.
On-devicePDF
Extract PDF Pages
Extract selected individual pages from a PDF into a new document.
On-devicePDF
Images to PDF
Combine JPG and PNG images into a PDF in the order you select them.
On-deviceData
CSV to JSON
Convert CSV, TSV, semicolon or pipe-delimited data into formatted JSON locally.
On-deviceData
JSON to CSV
Convert an array of JSON objects into standards-friendly CSV.
On-deviceData
CSV Cleaner
Trim cells, normalize whitespace and remove completely empty rows from delimited data.
On-deviceData
CSV Duplicate Remover
Remove duplicate rows from CSV using all columns or a selected key column.
On-deviceData
CSV Search & Filter
Search a CSV across all columns or filter against a specific column and export matches.
On-deviceData
Header Cleaner
Standardize messy CSV column headers into clean unique snake_case field names.
On-deviceData
CSV Column Selector
Keep only the columns you need from a CSV and export a smaller clean file.
On-deviceData
CSV Sorter
Sort delimited data by a chosen column in ascending or descending order.
On-deviceDeveloper
JSON Formatter & Validator
Validate and pretty-print JSON with readable error messages.
On-deviceDeveloper
JSON Minifier
Validate JSON and remove unnecessary whitespace to reduce size.
On-deviceText
Duplicate Line Remover
Remove duplicate text lines while preserving the original order.
On-deviceText
Case Converter
Convert text to upper, lower, title, sentence, snake, kebab or camel case.
On-deviceDeveloper
URL Encoder & Decoder
Encode or decode URL components safely in your browser.
On-deviceDeveloper
Base64 Text Encoder
Encode UTF-8 text to Base64 or decode Base64 back to Unicode text.
On-deviceDeveloper
Hash Generator
Generate SHA-256, SHA-384 or SHA-512 hashes locally using Web Crypto.
On-deviceDeveloper
GZIP Compress & Decompress
Compress files to GZIP or decompress GZIP files with the browser Compression Streams API.
On-deviceSecurity
Secure Password Generator
Generate cryptographically secure passwords locally with configurable length and character sets.
On-deviceDeveloper
UUID Generator
Generate one or many RFC 4122 version 4 UUIDs using the browser crypto API.
On-deviceData
Data Quality Validator
Audit delimited data for blank cells, duplicate rows, duplicate headers and inconsistent row widths.
On-deviceData
CSV Splitter
Split a large CSV into smaller files by row count while keeping the header in every part.
On-deviceData
CSV Compare
Compare two CSV files by a key column and export added, removed and changed rows.
On-deviceData
Excel Search
Search every sheet in an Excel workbook and export matching cells with sheet, row and column locations.
On-deviceNo matching tools
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Trust built into the interface
Know what happens before you click Run
Truthful progress
We show actual processing stages and only show a percentage when it can be measured honestly.
Read the FAQ →Security controls
Restrictive browser security headers, no application secrets, and optional services disabled by default.
Security Center →Simple by design
Choose. Process. Download.
There is no account wall and no hidden upload fallback for the V1 tool catalog.
- 1Choose your inputFiles are read only after you select them.
- 2Process locallyYour browser does the computation on your device.
- 3Download the resultThe generated output is returned directly to you.