Image, PDF and file conversion tools
Find image resizers, PDF editors, CSV converters, text utilities and engineering calculators.
Images
Bulk image resizer
Resize a batch by dimensions or percentage while keeping image proportions.
Open tool →Product image formatter
Give every product image the same canvas size, padding and background.
Open tool →Image format converter
Convert JPG, PNG and WebP images in your browser.
Open tool →Photo metadata remover
Create fresh image copies without the original embedded location or camera tags.
Open tool →Screenshot to text
Read English text from a screenshot or scanned image and download an editable text file.
Open tool →Image to SVG
Trace a small raster image into colored vector paths.
Open tool →Photo date repair
Shift the embedded capture timestamps of a batch of JPEG photos.
Open tool →Rotate and flip image
Rotate a photo or flip it horizontally or vertically.
Open tool →Center crop image
Crop the center of a photo to a square, portrait or landscape ratio.
Open tool →Grayscale image
Convert a color photo to grayscale while preserving transparency.
Open tool →Image contact sheet
Arrange a batch of photos into a numbered thumbnail sheet.
Open tool →Documents
Sewing pattern assembler
Arrange the pages of a PDF sewing pattern on one large printable sheet.
Open tool →Document to Markdown
Convert supported Office documents, PDFs and text files into editable Markdown.
Open tool →PDF tables to Excel
Extract detected tables from a text-based PDF into an Excel workbook.
Open tool →Searchable scanned PDF
Add an English searchable text layer to scanned PDF pages.
Open tool →Compare PDF versions
Compare two PDF versions and highlight visual differences in a downloadable report.
Open tool →PDF text redactor
Permanently remove selected text matches from text-based PDF pages.
Open tool →Word to EPUB
Turn a DOCX manuscript into a reflowable EPUB ebook.
Open tool →EPUB error checker
Validate an EPUB and download a report of structural errors and warnings.
Open tool →Office file converter
Convert supported Word, Excel and PowerPoint files into PDF.
Open tool →Merge PDF
Combine PDF documents into one file in your chosen order.
Open tool →Extract PDF pages
Save selected PDF pages as a new document, in the order you specify.
Open tool →Rotate PDF
Rotate every page in a PDF clockwise without uploading it.
Open tool →Images to PDF
Turn JPG, PNG or WebP photos into a single PDF with one image per page.
Open tool →PDF page numbers
Add page numbers to the bottom of every PDF page.
Open tool →PDF watermark
Place a text watermark across every page of a PDF.
Open tool →PDF metadata editor
Set a PDF title and author or clear its standard document properties.
Open tool →Reverse PDF pages
Reverse the page order of a PDF document.
Open tool →PDF review response tracker
Extract PDF or XFDF review comments and replies into a response tracker. Edit responses, owners and statuses, then reload the CSV with the next review round.
Open tool →Markdown project packager
Bundle selected Markdown notes with linked notes and images into a portable ZIP. Repair local links and download a missing-link report.
Open tool →Business
Barcode label generator
Turn product codes into a printable sheet of barcode labels.
Open tool →Spreadsheet to calendar
Convert a CSV timetable into an importable calendar file.
Open tool →Bulk certificate generator
Create a printable PDF certificate for every participant in your list.
Open tool →UTM link builder
Add campaign tracking parameters to a link without visiting it.
Open tool →CSV delimiter converter
Change comma, semicolon, tab or pipe separators for Excel and Sheets imports.
Open tool →CSV header mapper
Rename spreadsheet column headers to match an import template.
Open tool →CSV file merger
Combine spreadsheet exports by matching column names, with an optional source filename column.
Open tool →CSV row splitter
Split a CSV into smaller files with repeated headers and download them together as a ZIP.
Open tool →Design
3D model optimizer
Remove duplicate and unused data from a self-contained GLB model.
Open tool →Embroidery file converter
Convert supported stitch files between common embroidery machine formats.
Open tool →Laser-cut box generator
Generate an SVG cutting layout for an open box with finger joints.
Open tool →3D organizer generator
Create a printable STL tray with a custom grid of compartments.
Open tool →Website font slimmer
Keep only the characters you need and export a smaller WOFF2 font.
Open tool →Favicon generator
Create favicon.ico and PNG app icons from one image.
Open tool →Color contrast checker
Check contrast between two colors against WCAG 2.x text thresholds.
Open tool →Audio & video
Video specification checker
Inspect video dimensions, codec, frame rate and audio details before delivery.
Open tool →Recording pause remover
Remove quiet gaps from an audio recording using a silence threshold.
Open tool →Subtitle timing fixer
Align an SRT subtitle file with the speech timing of a recording.
Open tool →Sheet music to MusicXML
Recognize printed sheet music and export editable MusicXML.
Open tool →Podcast loudness normalizer
Adjust a recording toward a consistent loudness target.
Open tool →Utilities
GPS route converter
Convert route coordinates between GPX, KML and GeoJSON.
Open tool →Broken-link checker
Check up to 30 links from a public webpage and download a status report.
Open tool →JSON formatter
Validate JSON and download a readable or compact version.
Open tool →CSV to JSON
Convert CSV rows into JSON objects while preserving text values.
Open tool →JSON to CSV
Convert a JSON array of objects into a spreadsheet-ready CSV.
Open tool →Base64 converter
Encode Unicode text as Base64 or decode Base64 back to text.
Open tool →Text cleanup
Remove duplicate lines, trim whitespace or sort a pasted list.
Open tool →File checksum
Calculate a SHA-256 or SHA-512 fingerprint for a file on your device.
Open tool →ZIP creator
Bundle selected files into one ZIP archive without uploading them.
Open tool →ZIP extractor
Extract files from a ZIP archive locally and download them individually.
Open tool →Text case converter
Change text to uppercase, lowercase or title case.
Open tool →Word and character counter
Count words, characters, lines and UTF-8 bytes in your text.
Open tool →Text comparison
Compare two texts and download a line-by-line difference report.
Open tool →URL slug generator
Turn a title into a clean, lowercase URL slug.
Open tool →URL encoder and decoder
Encode or decode text for use inside a URL component.
Open tool →HTML entity converter
Encode HTML special characters or decode common and numeric entities.
Open tool →JSON to TypeScript
Infer a TypeScript type declaration from a JSON example.
Open tool →JSON key sorter
Sort object keys throughout JSON while keeping array order.
Open tool →CSV column selector
Keep selected CSV columns and place them in a chosen order.
Open tool →Transpose CSV
Swap the rows and columns of a CSV table.
Open tool →Markdown table generator
Turn CSV data into a Markdown table for documentation.
Open tool →UUID generator
Generate random version 4 UUIDs for identifiers and testing.
Open tool →Password generator
Generate random passwords locally using letters, numbers and symbols.
Open tool →Unix timestamp converter
Convert Unix seconds, milliseconds or an ISO date into UTC time.
Open tool →Engineering
BOM revision comparator
Compare two exported bills of materials and identify added, removed or changed parts.
Open tool →IPv4 subnet calculator
Calculate network addresses, masks and usable ranges from IPv4 CIDR notation.
Open tool →Linear signal scaler
Convert batches of raw sensor readings into engineering values using two known endpoints.
Open tool →Engineering unit converter
Convert batches of length, mass, pressure or temperature measurements.
Open tool →Modbus register map checker
Check Modbus register addresses, overlapping ranges and declared data widths. Download a findings CSV and printable register map documentation.
Open tool →Cable schedule checker
Find duplicate cable IDs, missing endpoints and port conflicts in a cable schedule CSV. Print matching labels for both ends of each cable.
Open tool →Sensor CSV time alignment
Align sensor CSV recordings by timestamp, apply known time offsets and find unmatched samples. Export a shared timeline without interpolation.
Open tool →PLC–HMI tag checker
Compare PLC tag definitions with HMI references in CSV exports. Find missing PLC tags, duplicate references and declared data type mismatches.
Open tool →HR & work
CSV duplicate finder
Find repeated records by selected columns and download unique rows and duplicates.
Open tool →Decimal hours converter
Convert duration lists between hours and minutes and decimal hours.
Open tool →Shift hours calculator
Calculate net shift durations, including overnight shifts, from a timesheet export.
Open tool →Training expiry checker
Sort training records by expiry date and flag expired or soon-due renewals.
Open tool →Email list extractor
Extract and deduplicate email addresses for Outlook or other mail apps.
Open tool →Working-day calculator
Count working days between dates, excluding your chosen weekends and holiday list.
Open tool →Course attendance matrix
Combine Teams or Zoom attendance intervals with a class roster. Export minutes and percentages for each session, merging overlapping join and leave intervals.
Open tool →Study
Anki flashcard exporter
Turn a front-and-back spreadsheet into a UTF-8 file ready for Anki import.
Open tool →Weighted grade calculator
Calculate a weighted percentage from assessment scores and relative weights.
Open tool →Study plan generator
Split a list of study topics into daily sessions using a chosen time budget.
Open tool →Survey spreadsheet cleaner
Convert multi-select survey answers from Google Forms or Microsoft Forms CSV exports into separate yes/no columns without duplicating respondents.
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