Everyday
Webcam studio
Test your webcam, check lighting and frame rate, take photos and record video with optional microphone audio — all in one private browser workspace.
YOUR EVERYDAY TOOLKIT
Little tools.
Big possibilities.
For the quick calculation. The final tweak. The everyday fix.
Find a useful tool and get on with your day.
Find a tool
No downloads. No account needed. Just useful tools.
FIND YOUR NEXT GO-TO
Explore the toolbox
Developer
Local SQL workbench
Query CSV and Parquet files, join local tables and export results with DuckDB in your browser.
Developer
HAR performance viewer
Inspect local browser network logs for slow requests, timing phases and transferred bytes.
Everyday
Contact-card builder
Enter contact details or import a CSV and generate downloadable vCard contact files.
Health & fitness
Barbell plate-loading calculator
Find balanced plates per side from a target total, bar, collars and available inventory.
Everyday
Recipe portion scaler
Scale ingredient quantities and fractions between original and target serving counts.
Audio & music
MIDI file inspector
Inspect MIDI tracks, program changes, tempos and timed notes, then export structured JSON.
Audio & music
Audio spectrogram viewer
Visualise a short audio recording as frequency energy over time and export a labelled image.
Files & images
STL model inspector
Rotate a local STL wireframe and inspect model dimensions and triangle counts.
Files & images
SVG path editor
Edit vector endpoints and control points, scale or move a path and export SVG with bounds.
Developer
Keyboard event tester
Highlight pressed keys and inspect modifiers, repeats and a downloadable local keyboard test session.
Developer
Local MongoDB-style workbench — CamaDB
Import JSON collections, browse documents, run supported CamaDB queries, preview edits and export JSON locally.
Files & images
PDF form filler
Fill existing PDF form fields and checkboxes, preview the result and download a missing-field report.
Files & images
Printable label sheets
Convert CSV records into printable PDF labels with adjustable dimensions, margins and overflow warnings.
Files & images
Image difference checker
Highlight changed pixels between two screenshots and measure the percentage changed.
Everyday
Barcode generator
Validate and render Code 128 and EAN-13 barcodes, then download SVG or PNG assets.
Files & images
PDF watermarks & page numbers
Stamp review copies and number selected PDF pages with configurable placement and opacity.
Developer
Sprite-sheet packer
Pack small graphics into an atlas PNG and download a frame-coordinate JSON index.
Health & fitness
GPX route inspector
Inspect a route outline, distance and elevation, then download a simplified GPX without using a map service.
Everyday
Calendar conflict checker
Find overlapping events in imported ICS calendars within an inclusive date range and export a structured report.
Everyday
Tournament bracket maker
Seed entrants, handle byes and select winners in an exportable single-elimination bracket.
Audio & music
Guitar chord-diagram builder
Draw supplied guitar fingerings with custom tuning and export SVG or PNG diagrams.
Files & images
Image contact-sheet maker
Create labelled thumbnail grids from photos and export PDF or JPEG sheets.
Files & images
Batch file renamer
Preview prefixes, numbering and literal replacements, then download renamed file copies in a ZIP.
Files & images
Screenshot annotation
Add arrows, numbered markers and text to a screenshot, then export PNG privately in your browser.
Files & images
ZIP creator & extractor
Bundle local files into a ZIP or inspect an archive and extract selected entries with explicit limits.
Files & images
Subtitle timing fixer
Shift SRT or WebVTT subtitles and correct gradual timing drift, then export repaired timestamps.
Files & images
Image palette extractor
Find representative image colours and copy HEX values or CSS custom properties.
Developer
IPv4 subnet calculator
Convert CIDR prefixes and netmasks, calculate address ranges and check whether an IPv4 address belongs to a subnet.
Everyday
Printable graph-paper generator
Generate A4 or US Letter graph, dotted or ruled paper as a printable PDF with custom spacing and colour.
Everyday
Screen pixel test
Show solid colours and a grid for manual monitor inspection, with optional fullscreen display.
Everyday
Random team generator
Shuffle a list of names into teams with balanced group sizes and copy the result.
Files & images
PDF splitter & page organiser
Extract, rotate and reorder PDF pages with local thumbnails. Download one PDF or split pages into a ZIP.
Files & images
Images to PDF
Turn photos and screenshots into a PDF, with ordering, page sizes and margins. Files stay on your device.
Everyday
QR code generator
Create QR codes for websites, text or Wi-Fi. Download PNG or SVG, with no account or redirect service.
Calculators
Date & working-days calculator
Count days between dates or add and subtract days, with optional weekend exclusion.
Developer
Text comparison
Find added and removed words or lines, privately in your browser.
Files & images
Image cropper & resizer
Crop, rotate and resize images to exact dimensions, then download individually or as a batch.
Audio & music
Metronome
Keep time with tap tempo, accented beats and a clear visual pulse.
Developer
CSV ↔ JSON converter
Convert CSV and flat JSON with headers, delimiter controls, previews and local downloads.
Health & fitness
Interval timer
Set work, rest and warm-up periods, with rounds, sound cues and a reusable local preset.
Developer
Colour contrast checker
Check text and background colours against WCAG AA and AAA contrast thresholds.
Health & fitness
Running pace calculator
Convert minutes per mile to minutes per kilometre, or the other way around.
Files & images
PDF merger
Bring your PDFs together. Choose the order, merge, and download.
Files & images
Image compressor
Give your images a lighter footprint. Resize, adjust quality, and download.
Developer
JSON formatter
Turn a wall of JSON into something you can read. Validate, format, and copy.
Calculators
Unit converter
Different units. Same measurement. Convert everyday quantities instantly.
Everyday
Time zone planner
Find your shared moment, wherever everyone happens to be.
Calculators
Percentage calculator
Calculate percentages, percentage shares and percentage changes for free, directly in your browser.
Audio & music
Background noise test
Check microphone background noise before a call, compare changes and export a report. Audio stays on your device.
Audio & music
Guitar tuner
Tune your guitar online with chromatic pitch detection and eight tuning presets. Free, with microphone audio processed on your device.