Developer Utilities for
Modern Workflows
Optimize images, validate JSON, inspect tokens, and clean data.
All running directly in your browser. No server uploads.
Popular Utilities
Image Compressor
Free online image compressor for JPG and PNG files. Reduce image size in your browser while keeping visual quality for faster websites.
Image to WebP
Free online JPG/PNG to WebP converter for faster image delivery. Create smaller WebP files directly in your browser.
Image Resizer
Free online image resizer for exact width and height targets. Prepare responsive assets for web, app, and social formats.
Remove EXIF
Free online EXIF remover to strip GPS, camera, and metadata from images before sharing or publishing.
QR Generator
Free online QR code generator for URLs, text, and contact actions. Export clean PNG or SVG codes for print and digital use.
Barcode Generator
Free online barcode generator for EAN-13, UPC-A, and CODE128 labels used in retail, logistics, and inventory workflows.
Word Counter
Free online word counter for words, characters, and lines. Great for SEO copy checks, content QA, and editorial limits.
Duplicate Line Remover
Free online duplicate line remover for logs, lists, and config files. Clean noisy text while preserving useful order.
Case Converter
Free online case converter for UPPER, lower, Title, camelCase, PascalCase, and snake_case text normalization.
Slug Generator
Free online slug generator for SEO-friendly URLs. Convert titles into clean, readable, and consistent page slugs.
Timestamp Converter
Free online Unix timestamp converter for UTC and local time zones. Convert epoch seconds or milliseconds instantly.
CSV Delimiter Converter
Free online CSV delimiter converter for comma, semicolon, and tab-separated files used in analytics and ETL workflows.
PDF Toolkit
Free online PDF toolkit for merge, split, page reorder, and lightweight compression directly in your browser.
SEO Meta/OG/Robots Validator
Free online validator for title, meta description, Open Graph tags, Twitter card tags, and robots.txt basics.
Security Headers Scanner
Free online HTTP security headers scanner for CSP, HSTS, X-Frame-Options, X-Content-Type-Options, and Referrer-Policy.
Color Contrast Checker
Free online color contrast checker with WCAG ratio scoring and APCA readability scoring for modern accessibility workflows.
Regex Playground & Explainer
Free online regex playground with live matching, flags, highlighted results, and human-readable token explanations.
YAML/JSON/TOML Converter + Validator
Free online converter and validator for YAML, JSON, and TOML with auto-detection and key sorting.
Cron Expression Builder/Debugger
Free online cron parser with natural-language explanation, next-run previews, and timezone comparison for DST-safe scheduling.
SQL Formatter + Dialect Lint
Free online SQL formatter with dialect presets and heuristic lint checks for PostgreSQL, MySQL, and BigQuery.
Checksum Generator/Verifier
Free online SHA-256 and SHA-512 checksum generator and verifier for download integrity checks.
Markdown Table Studio
Free online Markdown table studio for CSV to Markdown conversion, Markdown to CSV export, alignment, and preview.
Invoice Generator Lite
Free no-login invoice generator that drafts client-ready invoice markdown from quick line-item input.
Invoice Reminder Scheduler
Free invoice reminder scheduler that generates before-due and overdue follow-up dates with reusable reminder text.
Sales Commission Calculator
Free commission calculator for product-level revenue and rate percentages with export-ready CSV output.
Expense Splitter
Free weighted expense splitter for shared bills, team purchases, and reimbursement balancing.
Receipt Organizer
Free receipt organizer that normalizes messy text lines into structured date-vendor-amount CSV records.
Mileage Tracker
Free mileage tracker that converts trip logs into reimbursement-ready totals and CSV exports.
Time Block Planner
Free time-block planner that turns task duration lists into a clock-based daily schedule with break slots.
Daily Routine Planner
Free printable daily routine planner that generates checklist slots between custom start and end times.
Transcript Cleaner
Free transcript cleaner for removing timestamps, filler words, and noisy line breaks from call or podcast text.
SRT Subtitle Builder
Free SRT subtitle builder that converts one-line caption input into timecoded subtitle blocks.
Invoice Payment Reconciler
Reconcile invoice and payment CSV exports locally to detect paid, partial, unpaid, overpaid, and orphan payment rows.
Bookkeeping CSV Reconciliation
Compare bank and ledger CSV files to surface duplicates, missing records, overlap candidates, and QuickBooks-ready mappings.
Contract Invoice Payment Link
Generate one local share link that bundles contract, invoice, and payment URLs into a single client-ready page.
Meeting History Consolidator
Append new meeting notes into a structured history with summary, decisions, action items, and risk tracking sections.
Notes Tasks Integrator
Extract tasks from raw notes, merge with existing task lists, dedupe items, and output a unified execution board.
YouTube Playlist Organizer
Clean, deduplicate, filter, and sort exported playlist rows locally without using YouTube API access.
Multi Inbox Auto Triage
Triage shared inbox CSV exports into priority, category, owner, and SLA buckets using local rule-based scoring.
Google Docs Citation Helper
Convert key-based inline citations into ordered numeric references and generate bibliography blocks for Google Docs drafts.
Encoding Utilities Pack
All-in-one local utility for Base64 and URL encode/decode workflows with optional line-by-line processing.
AI Validation Utilities
JSON Repair
Free online JSON repair tool for malformed API payloads, LLM outputs, and log snippets. Fix syntax and validate quickly.
JWT Inspector
Free online JWT decoder and inspector for token headers, claims, and expiry debugging in authentication workflows.
API Key Detector
Free online API key detector to find leaked secrets in logs, code snippets, and diffs before sharing.
PII Redactor
Free online PII redaction tool to mask emails, phone numbers, and sensitive identifiers in logs and support messages.
Stacktrace Cleaner
Free online stacktrace cleaner to normalize noisy traces and surface actionable application frames faster.
Diff Viewer
Free online diff viewer for side-by-side text comparison with line-level highlights for code, config, and prompt changes.
Schema Infer
Free online JSON schema generator that infers field types and required keys from sample payloads.
Prompt to Bug Report
Free online AI bug report generator that converts prompt logs and outputs into structured engineering tickets.
AI Tool Evaluation Matrix
Score and rank AI tools with weighted criteria such as quality, reliability, cost efficiency, workflow fit, and support.