RESOURCES THE TOOLKIT
Free Tools
Free Tools
for Filmmakers
47 tools and utilities for filmmakers — image splitters, shot planning, transcripts and format converters. Many utilities run in your browser. Each tool lists its sign-in requirements and usage limits.
Plan the work around the tools
Write a production brief
Define deliverables, references and what must survive generation. Includes a free editable template.
Turn the brief into a shot plan
Check story purpose, timing and continuity before generating a full sequence.
Plan a difficult camera move
Decide when a Blender blockout helps, then test the reference on one representative shot.
Find someone to make the film
Compare finished work or send a private project brief to the ReelStack team.
★ FeaturedEditor's Picks
No. 38Cloud
Video Sequence Builder
Describe a beat, get a timed multi-shot video prompt. Retime by dragging.
No. 34Cloud
Prompt Builder
Pick lens, light, film stock → get a cinematic prompt. No AI.
No. 37Cloud
Cinematic Sheet Composer
Compose prompts for 3x3 angle sheets, 9x9 storyboards, ad sequences, and 5-cut pre-production briefs.
All Tools47
| No. | Tool | Tier | Category | Rate limit | Flags | |
|---|---|---|---|---|---|---|
| 01 | Image Compressor Shrink images in your browser. Zero upload. | Browser | Image | — | ★ Featured | |
| 02 | Image Splitter Split images into NxN grids. Perfect for Instagram. | Browser | Image | — | ★ Featured | |
| 03 | Auto Grid Splitter Auto-detect a grid in an image, pick cells, download. | Browser | Image | — | ★ Featured | |
| 05 | Instagram Carousel Splitter Split wide images into Instagram carousel slides. | Browser | Social | — | ★ Featured | |
| 22 | YouTube Transcript Extractor Pull full transcript from any YouTube video. | Cloud | Video | 10/hr · 50/day | ★ Featured | |
| 23 | Hashtag Generator AI-generated hashtags for any topic. | Cloud | Social | 30/hr · 150/day | ★ Featured | |
| 29 | Audio Transcriber Paste a public audio URL → free transcription via Groq Whisper. | Cloud | Audio | 15/hr · 60/day | ★ Featured | |
| 30 | TikTok / Instagram Transcriber Paste a TikTok or IG Reel link → transcript via Groq Whisper. | Workflow | Social | 2/hr | ★ Featured | |
| 31 | AI Content Analyzer Deep content analysis — hooks, structure, tone, CTAs, audience. | Cloud | Text | 10/hr | ★ Featured | |
| 32 | Social Repurposer One YouTube link or transcript → platform-native posts for TikTok, IG, X, LinkedIn + more. | Workflow | Social | 5/hr | ★ Featured | |
| 34 | Prompt Builder Pick lens, light, film stock → get a cinematic prompt. No AI. | Cloud | Image | 60/hr | ★ Featured | |
| 36 | Image to Prompt Upload an image. Get a measurement-infused cinematic prompt. | Workflow | Image | 15/hr · 15/day | ★ Featured | |
| 40 | YouTube Thumbnail Downloader Pull every thumbnail resolution from any YouTube video. | Browser | Video | — | ★ Featured | |
| 41 | Alt Text Generator AI alt text — short, detailed, SEO caption — WCAG 2.2. | Cloud | SEO | 20/hr · 100/day | ★ Featured | |
| 43 | Invoice Generator Cinematic invoice builder. Save defaults, export PDF. | Browser | Utility | — | ★ Featured | |
| 33 | Top Videos Analyzer Drop an Instagram or TikTok handle. Get hooks, structure, CTAs, patterns — printable PDF. | Workflow | Social | 5/hr · 10/day | ★ Featured | |
| 35 | Camera Movement Builder Pick camera motion, direction, speed, and duration for video prompts. | Browser | Video | — | ★ Featured | |
| 37 | Cinematic Sheet Composer Compose prompts for 3x3 angle sheets, 9x9 storyboards, ad sequences, and 5-cut pre-production briefs. | Cloud | Image | 10/hr | ★ Featured | |
| 38 | Video Sequence Builder Describe a beat, get a timed multi-shot video prompt. Retime by dragging. | Cloud | Video | 20/hr | ★ FeaturedAuth | |
| 39 | AI Film Storyboard Storyline → shot list with image, video, and sound-design prompts. | Workflow | Video | 10/hr | ★ Featured | |
| 46 | LUT Studio Apply, build, or extract 3D LUTs — film stocks, .cube, reference images. | Browser | Image | — | ★ Featured | |
| 47 | Shot Extractor Find every cut in a video, then pull stills or numbered contact sheets — entirely in your browser. | Browser | Video | — | ★ Featured | |
| 04 | Image Format Converter Convert between JPG, PNG, WebP, AVIF in-browser. | Browser | Image | — | ||
| 06 | QR Code Generator Generate QR codes for URLs, text, or WiFi. | Browser | Utility | — | ||
| 07 | Color Palette Extractor Pull the dominant colors from any image. | Browser | Image | — | ||
| 08 | JSON Formatter Format, validate, and minify JSON. | Browser | Dev | — | ||
| 09 | Password Generator Generate secure random passwords. | Browser | Utility | — | ||
| 10 | UUID Generator Generate UUIDs (v4 random). | Browser | Dev | — | ||
| 11 | Lorem Ipsum Generator Generate placeholder text. | Browser | Text | — | ||
| 12 | Base64 Encode/Decode Encode or decode Base64 strings. | Browser | Dev | — | ||
| 13 | Text Case Converter Convert text between cases (camel, snake, kebab, pascal). | Browser | Text | — | ||
| 14 | Markdown → HTML Convert Markdown to HTML with live preview. | Browser | Dev | — | ||
| 15 | Regex Tester Test regular expressions with live matches. | Browser | Dev | — | ||
| 16 | Aspect Ratio Calculator Calculate width/height for common aspect ratios. | Browser | Video | — | ||
| 17 | CSS Gradient Generator Build CSS gradients visually. | Browser | Dev | — | ||
| 18 | Meta Tag Generator Generate Open Graph and Twitter meta tags. | Browser | SEO | — | ||
| 19 | Favicon Generator Generate favicons from any image. | Browser | Dev | — | ||
| 20 | Character & Word Counter Count characters, words, sentences, reading time. | Browser | Text | — | ||
| 21 | Timestamp Converter Convert between UNIX timestamps and dates. | Browser | Utility | — | ||
| 24 | SEO Title Analyzer Score and improve your titles for SEO. | Cloud | SEO | 30/hr · 150/day | ||
| 25 | URL Shortener Shorten long URLs with custom slugs. | Cloud | Utility | 50/hr · 200/day | Auth | |
| 26 | Background Remover Remove image backgrounds with one click. | Cloud | Image | 10/hr · 30/day | ||
| 27 | Text Summarizer Summarize long text with AI. | Cloud | Text | 20/hr · 100/day | ||
| 28 | Text Translator Translate text between 100+ languages. | Cloud | Text | 10/hr · 50/day | ||
| 42 | Call Sheet Generator Build a printable indie-film call sheet. PDF in seconds. | Browser | Video | — | ||
| 44 | YouTube Tag Extractor Pull tags + meta from any YouTube video URL. | Cloud | SEO | 20/hr · 100/day | ||
| 45 | Screenplay Formatter Fountain markup → industry-standard 12pt Courier PDF. | Browser | Text | — |